dwsim-users — DWSIM Users Mailing List

Re: [dwsim-users] UNIQUAC VLE TXY diagram issue

[Hector P. <hpe...@gm...>]

Hi Daniel,

Unfortunately the Gibbs method has conversion errors on the stream. I tried
using a room temperature stream and bringing it up to the binary region in
a shortcut distillation column to see if it would work, but for some reason
DWSIM 4 won't let me edit the shortcut column.

By the way, I set up this system in chemsep and the flash algorithm doesn't
converge (same thing that happens with DWSIM), but I can do distillation
and it agrees with the txy diagram. Chemsep seems to do fine generating the
txy diagram also.

Hector D. Perez

On Mon, Jul 18, 2016 at 12:11 PM, Daniel Wagner <dan...@gm...> wrote:

> Use Gibbs VLE then. The Txy diagram won't be good because Gibbs use the
> same saturation point calculation algorithms as Nested Loops. There's
> something special about this system that confuses the convergence
> algorithms... maybe we could use a different model (NRTL for instance) and
> see if we can get something more stable.
>
> Daniel
>
> 2016-07-18 11:49 GMT-04:00 Hector Perez <hpe...@gm...>:
>
>> IO.
>>
>> Did it work for you?
>>
>> Hector D. Perez
>> On Jul 18, 2016 10:28 AM, "Daniel Wagner" <dan...@gm...> wrote:
>>
>>> With IO or NL flash algorithm?
>>>
>>> 2016-07-18 11:23 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>
>>>> Hi Daniel,
>>>>
>>>> Yes, I ended up finding this regression tool. Ok. it's nice to see that
>>>> DWSIM 4 can make the TXY diagram. Something I now encounter is that when I
>>>> create a stream that is somewhere in the 2phase region of that TXY diagram
>>>> (say, 0.9wt% HNO3 at 105 C), DWSIM 4 says that it is only vapor, but it
>>>> should be 2 phase.
>>>>
>>>> Thanks,
>>>>
>>>> Hector D. Perez
>>>>
>>>> On Mon, Jul 18, 2016 at 8:52 AM, Daniel Wagner <dan...@gm...>
>>>> wrote:
>>>>
>>>>> Hi Hector,
>>>>>
>>>>> You could have used the data regression utility in DWSIM to generate
>>>>> your UNIQUAC parameters...
>>>>>
>>>>>
>>>>> With the above regressed parameters, I've managed to generate your
>>>>> diagram with DWSIM 4 Preview 3. You'll just have to change the flash
>>>>> algorithm from Nested Loops VLE to Inside Out VLE. I'll see what's going on
>>>>> with the NL algorithm that's causing this bug.
>>>>>
>>>>> In DWSIM 4, utilities are now attached to streams. Select a stream and
>>>>> click on the small star button on the upper right corner of the editor
>>>>> panel to attach/add the diagram utility.
>>>>>
>>>>>
>>>>> 2016-07-15 7:13 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>>>
>>>>>> Great. Thanks Daniel. Happy Vacations.
>>>>>>
>>>>>> Hector D. Perez
>>>>>>
>>>>>> On Fri, Jul 15, 2016 at 6:04 AM, Daniel Wagner <dan...@gm...>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi Hector,
>>>>>>>
>>>>>>> I'm on vacation until next sunday, I'll be able to answer all
>>>>>>> support requests after that.
>>>>>>>
>>>>>>> Regards
>>>>>>> Daniel
>>>>>>>
>>>>>>> 2016-07-12 16:43 GMT-03:00 Hector Perez <hpe...@gm...>:
>>>>>>>
>>>>>>>> Hi Daniel,
>>>>>>>>
>>>>>>>> I've been attempting to model nitric acid / water VLE. I have
>>>>>>>> regressed the UNIQUAC parameters from partial pressure data in Perry's
>>>>>>>> Handbook. I put these interaction parameters in DWSIM in the appropriate
>>>>>>>> parameters (cal/mol, cal/mol-K, cal/mol-K^2). Nonetheless, DWSIM doesn't
>>>>>>>> seem to reproduce the nitric acid/water azeotrope. Additionaly, when I use
>>>>>>>> an average interaction parameter (a12 and a21), DWSIM doesn't run at all
>>>>>>>> and gets hung up.
>>>>>>>>
>>>>>>>> As far as i understand and from what I gather from the DWSIM source
>>>>>>>> code,
>>>>>>>> tau(i,j) = exp(-(aij+bij*T+cij*T^2)/RT).
>>>>>>>>
>>>>>>>> What am I missing?
>>>>>>>>
>>>>>>>> I am attaching 1) the excel file where I made the txy diagram from
>>>>>>>> the regressed UNIQUAC parameters, 2) the DWSIM file where I attempted to
>>>>>>>> make the binary phase diagram, 3) the txy diagram generated by DWSIM.
>>>>>>>>
>>>>>>>> As you can see, the phase diagram in the excel file agrees with
>>>>>>>> that in literature (
>>>>>>>> http://www.chemguide.co.uk/physical/phaseeqia/nonideal.html).
>>>>>>>>
>>>>>>>> Interestingly, I used an additional parameter UNIQUAC Q' to correct
>>>>>>>> for the presence of water or alcohols (in this case for water). This is
>>>>>>>> referenced in:
>>>>>>>> http://webpages.sdsmt.edu/~ddixon/prausnitz_activcoeff.pdf (see.
>>>>>>>> page 264). When I use this parameter, the txy predicts the azeotrope very
>>>>>>>> well. When I don't use this (simply Q' = Q), which is the case in how DWSIM
>>>>>>>> does UNIQUAC, then I get a good enough txy diagram (very similar).
>>>>>>>>
>>>>>>>> I would appreciate any insight on your part.
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>>
>>>>>>>> Hector D. Perez
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>

Re: [dwsim-users] UNIQUAC VLE TXY diagram issue

[Daniel W. <dan...@gm...>]

Use Gibbs VLE then. The Txy diagram won't be good because Gibbs use the
same saturation point calculation algorithms as Nested Loops. There's
something special about this system that confuses the convergence
algorithms... maybe we could use a different model (NRTL for instance) and
see if we can get something more stable.

Daniel

2016-07-18 11:49 GMT-04:00 Hector Perez <hpe...@gm...>:

> IO.
>
> Did it work for you?
>
> Hector D. Perez
> On Jul 18, 2016 10:28 AM, "Daniel Wagner" <dan...@gm...> wrote:
>
>> With IO or NL flash algorithm?
>>
>> 2016-07-18 11:23 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>>> Hi Daniel,
>>>
>>> Yes, I ended up finding this regression tool. Ok. it's nice to see that
>>> DWSIM 4 can make the TXY diagram. Something I now encounter is that when I
>>> create a stream that is somewhere in the 2phase region of that TXY diagram
>>> (say, 0.9wt% HNO3 at 105 C), DWSIM 4 says that it is only vapor, but it
>>> should be 2 phase.
>>>
>>> Thanks,
>>>
>>> Hector D. Perez
>>>
>>> On Mon, Jul 18, 2016 at 8:52 AM, Daniel Wagner <dan...@gm...>
>>> wrote:
>>>
>>>> Hi Hector,
>>>>
>>>> You could have used the data regression utility in DWSIM to generate
>>>> your UNIQUAC parameters...
>>>>
>>>>
>>>> With the above regressed parameters, I've managed to generate your
>>>> diagram with DWSIM 4 Preview 3. You'll just have to change the flash
>>>> algorithm from Nested Loops VLE to Inside Out VLE. I'll see what's going on
>>>> with the NL algorithm that's causing this bug.
>>>>
>>>> In DWSIM 4, utilities are now attached to streams. Select a stream and
>>>> click on the small star button on the upper right corner of the editor
>>>> panel to attach/add the diagram utility.
>>>>
>>>>
>>>> 2016-07-15 7:13 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>>
>>>>> Great. Thanks Daniel. Happy Vacations.
>>>>>
>>>>> Hector D. Perez
>>>>>
>>>>> On Fri, Jul 15, 2016 at 6:04 AM, Daniel Wagner <dan...@gm...>
>>>>> wrote:
>>>>>
>>>>>> Hi Hector,
>>>>>>
>>>>>> I'm on vacation until next sunday, I'll be able to answer all support
>>>>>> requests after that.
>>>>>>
>>>>>> Regards
>>>>>> Daniel
>>>>>>
>>>>>> 2016-07-12 16:43 GMT-03:00 Hector Perez <hpe...@gm...>:
>>>>>>
>>>>>>> Hi Daniel,
>>>>>>>
>>>>>>> I've been attempting to model nitric acid / water VLE. I have
>>>>>>> regressed the UNIQUAC parameters from partial pressure data in Perry's
>>>>>>> Handbook. I put these interaction parameters in DWSIM in the appropriate
>>>>>>> parameters (cal/mol, cal/mol-K, cal/mol-K^2). Nonetheless, DWSIM doesn't
>>>>>>> seem to reproduce the nitric acid/water azeotrope. Additionaly, when I use
>>>>>>> an average interaction parameter (a12 and a21), DWSIM doesn't run at all
>>>>>>> and gets hung up.
>>>>>>>
>>>>>>> As far as i understand and from what I gather from the DWSIM source
>>>>>>> code,
>>>>>>> tau(i,j) = exp(-(aij+bij*T+cij*T^2)/RT).
>>>>>>>
>>>>>>> What am I missing?
>>>>>>>
>>>>>>> I am attaching 1) the excel file where I made the txy diagram from
>>>>>>> the regressed UNIQUAC parameters, 2) the DWSIM file where I attempted to
>>>>>>> make the binary phase diagram, 3) the txy diagram generated by DWSIM.
>>>>>>>
>>>>>>> As you can see, the phase diagram in the excel file agrees with that
>>>>>>> in literature (
>>>>>>> http://www.chemguide.co.uk/physical/phaseeqia/nonideal.html).
>>>>>>>
>>>>>>> Interestingly, I used an additional parameter UNIQUAC Q' to correct
>>>>>>> for the presence of water or alcohols (in this case for water). This is
>>>>>>> referenced in:
>>>>>>> http://webpages.sdsmt.edu/~ddixon/prausnitz_activcoeff.pdf (see.
>>>>>>> page 264). When I use this parameter, the txy predicts the azeotrope very
>>>>>>> well. When I don't use this (simply Q' = Q), which is the case in how DWSIM
>>>>>>> does UNIQUAC, then I get a good enough txy diagram (very similar).
>>>>>>>
>>>>>>> I would appreciate any insight on your part.
>>>>>>>
>>>>>>> Thanks,
>>>>>>>
>>>>>>> Hector D. Perez
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>

Re: [dwsim-users] UNIQUAC VLE TXY diagram issue

[Daniel W. <dan...@gm...>]

With IO or NL flash algorithm?

2016-07-18 11:23 GMT-04:00 Hector Perez <hpe...@gm...>:

> Hi Daniel,
>
> Yes, I ended up finding this regression tool. Ok. it's nice to see that
> DWSIM 4 can make the TXY diagram. Something I now encounter is that when I
> create a stream that is somewhere in the 2phase region of that TXY diagram
> (say, 0.9wt% HNO3 at 105 C), DWSIM 4 says that it is only vapor, but it
> should be 2 phase.
>
> Thanks,
>
> Hector D. Perez
>
> On Mon, Jul 18, 2016 at 8:52 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
>> Hi Hector,
>>
>> You could have used the data regression utility in DWSIM to generate your
>> UNIQUAC parameters...
>>
>> [image: Imagem inline 1]
>>
>> With the above regressed parameters, I've managed to generate your
>> diagram with DWSIM 4 Preview 3. You'll just have to change the flash
>> algorithm from Nested Loops VLE to Inside Out VLE. I'll see what's going on
>> with the NL algorithm that's causing this bug.
>>
>> In DWSIM 4, utilities are now attached to streams. Select a stream and
>> click on the small star button on the upper right corner of the editor
>> panel to attach/add the diagram utility.
>>
>> [image: Imagem inline 2]
>>
>> Regards
>> Daniel
>>
>>
>> 2016-07-15 7:13 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>>> Great. Thanks Daniel. Happy Vacations.
>>>
>>> Hector D. Perez
>>>
>>> On Fri, Jul 15, 2016 at 6:04 AM, Daniel Wagner <dan...@gm...>
>>> wrote:
>>>
>>>> Hi Hector,
>>>>
>>>> I'm on vacation until next sunday, I'll be able to answer all support
>>>> requests after that.
>>>>
>>>> Regards
>>>> Daniel
>>>>
>>>> 2016-07-12 16:43 GMT-03:00 Hector Perez <hpe...@gm...>:
>>>>
>>>>> Hi Daniel,
>>>>>
>>>>> I've been attempting to model nitric acid / water VLE. I have
>>>>> regressed the UNIQUAC parameters from partial pressure data in Perry's
>>>>> Handbook. I put these interaction parameters in DWSIM in the appropriate
>>>>> parameters (cal/mol, cal/mol-K, cal/mol-K^2). Nonetheless, DWSIM doesn't
>>>>> seem to reproduce the nitric acid/water azeotrope. Additionaly, when I use
>>>>> an average interaction parameter (a12 and a21), DWSIM doesn't run at all
>>>>> and gets hung up.
>>>>>
>>>>> As far as i understand and from what I gather from the DWSIM source
>>>>> code,
>>>>> tau(i,j) = exp(-(aij+bij*T+cij*T^2)/RT).
>>>>>
>>>>> What am I missing?
>>>>>
>>>>> I am attaching 1) the excel file where I made the txy diagram from the
>>>>> regressed UNIQUAC parameters, 2) the DWSIM file where I attempted to make
>>>>> the binary phase diagram, 3) the txy diagram generated by DWSIM.
>>>>>
>>>>> As you can see, the phase diagram in the excel file agrees with that
>>>>> in literature (
>>>>> http://www.chemguide.co.uk/physical/phaseeqia/nonideal.html).
>>>>>
>>>>> Interestingly, I used an additional parameter UNIQUAC Q' to correct
>>>>> for the presence of water or alcohols (in this case for water). This is
>>>>> referenced in:
>>>>> http://webpages.sdsmt.edu/~ddixon/prausnitz_activcoeff.pdf (see. page
>>>>> 264). When I use this parameter, the txy predicts the azeotrope very well.
>>>>> When I don't use this (simply Q' = Q), which is the case in how DWSIM does
>>>>> UNIQUAC, then I get a good enough txy diagram (very similar).
>>>>>
>>>>> I would appreciate any insight on your part.
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Hector D. Perez
>>>>>
>>>>
>>>>
>>>
>>
>

Re: [dwsim-users] UNIQUAC VLE TXY diagram issue

[Hector P. <hpe...@gm...>]

Hi Daniel,

Yes, I ended up finding this regression tool. Ok. it's nice to see that
DWSIM 4 can make the TXY diagram. Something I now encounter is that when I
create a stream that is somewhere in the 2phase region of that TXY diagram
(say, 0.9wt% HNO3 at 105 C), DWSIM 4 says that it is only vapor, but it
should be 2 phase.

Thanks,

Hector D. Perez

On Mon, Jul 18, 2016 at 8:52 AM, Daniel Wagner <dan...@gm...> wrote:

> Hi Hector,
>
> You could have used the data regression utility in DWSIM to generate your
> UNIQUAC parameters...
>
> [image: Imagem inline 1]
>
> With the above regressed parameters, I've managed to generate your diagram
> with DWSIM 4 Preview 3. You'll just have to change the flash algorithm from
> Nested Loops VLE to Inside Out VLE. I'll see what's going on with the NL
> algorithm that's causing this bug.
>
> In DWSIM 4, utilities are now attached to streams. Select a stream and
> click on the small star button on the upper right corner of the editor
> panel to attach/add the diagram utility.
>
> [image: Imagem inline 2]
>
> Regards
> Daniel
>
>
> 2016-07-15 7:13 GMT-04:00 Hector Perez <hpe...@gm...>:
>
>> Great. Thanks Daniel. Happy Vacations.
>>
>> Hector D. Perez
>>
>> On Fri, Jul 15, 2016 at 6:04 AM, Daniel Wagner <dan...@gm...>
>> wrote:
>>
>>> Hi Hector,
>>>
>>> I'm on vacation until next sunday, I'll be able to answer all support
>>> requests after that.
>>>
>>> Regards
>>> Daniel
>>>
>>> 2016-07-12 16:43 GMT-03:00 Hector Perez <hpe...@gm...>:
>>>
>>>> Hi Daniel,
>>>>
>>>> I've been attempting to model nitric acid / water VLE. I have regressed
>>>> the UNIQUAC parameters from partial pressure data in Perry's Handbook. I
>>>> put these interaction parameters in DWSIM in the appropriate parameters
>>>> (cal/mol, cal/mol-K, cal/mol-K^2). Nonetheless, DWSIM doesn't seem to
>>>> reproduce the nitric acid/water azeotrope. Additionaly, when I use an
>>>> average interaction parameter (a12 and a21), DWSIM doesn't run at all and
>>>> gets hung up.
>>>>
>>>> As far as i understand and from what I gather from the DWSIM source
>>>> code,
>>>> tau(i,j) = exp(-(aij+bij*T+cij*T^2)/RT).
>>>>
>>>> What am I missing?
>>>>
>>>> I am attaching 1) the excel file where I made the txy diagram from the
>>>> regressed UNIQUAC parameters, 2) the DWSIM file where I attempted to make
>>>> the binary phase diagram, 3) the txy diagram generated by DWSIM.
>>>>
>>>> As you can see, the phase diagram in the excel file agrees with that in
>>>> literature (http://www.chemguide.co.uk/physical/phaseeqia/nonideal.html
>>>> ).
>>>>
>>>> Interestingly, I used an additional parameter UNIQUAC Q' to correct for
>>>> the presence of water or alcohols (in this case for water). This is
>>>> referenced in:
>>>> http://webpages.sdsmt.edu/~ddixon/prausnitz_activcoeff.pdf (see. page
>>>> 264). When I use this parameter, the txy predicts the azeotrope very well.
>>>> When I don't use this (simply Q' = Q), which is the case in how DWSIM does
>>>> UNIQUAC, then I get a good enough txy diagram (very similar).
>>>>
>>>> I would appreciate any insight on your part.
>>>>
>>>> Thanks,
>>>>
>>>> Hector D. Perez
>>>>
>>>
>>>
>>
>

Re: [dwsim-users] UNIQUAC VLE TXY diagram issue

[Daniel W. <dan...@gm...>]

Hi Hector,

You could have used the data regression utility in DWSIM to generate your
UNIQUAC parameters...

[image: Imagem inline 1]

With the above regressed parameters, I've managed to generate your diagram
with DWSIM 4 Preview 3. You'll just have to change the flash algorithm from
Nested Loops VLE to Inside Out VLE. I'll see what's going on with the NL
algorithm that's causing this bug.

In DWSIM 4, utilities are now attached to streams. Select a stream and
click on the small star button on the upper right corner of the editor
panel to attach/add the diagram utility.

[image: Imagem inline 2]

Regards
Daniel

2016-07-15 7:13 GMT-04:00 Hector Perez <hpe...@gm...>:

> Great. Thanks Daniel. Happy Vacations.
>
> Hector D. Perez
>
> On Fri, Jul 15, 2016 at 6:04 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
>> Hi Hector,
>>
>> I'm on vacation until next sunday, I'll be able to answer all support
>> requests after that.
>>
>> Regards
>> Daniel
>>
>> 2016-07-12 16:43 GMT-03:00 Hector Perez <hpe...@gm...>:
>>
>>> Hi Daniel,
>>>
>>> I've been attempting to model nitric acid / water VLE. I have regressed
>>> the UNIQUAC parameters from partial pressure data in Perry's Handbook. I
>>> put these interaction parameters in DWSIM in the appropriate parameters
>>> (cal/mol, cal/mol-K, cal/mol-K^2). Nonetheless, DWSIM doesn't seem to
>>> reproduce the nitric acid/water azeotrope. Additionaly, when I use an
>>> average interaction parameter (a12 and a21), DWSIM doesn't run at all and
>>> gets hung up.
>>>
>>> As far as i understand and from what I gather from the DWSIM source code,
>>> tau(i,j) = exp(-(aij+bij*T+cij*T^2)/RT).
>>>
>>> What am I missing?
>>>
>>> I am attaching 1) the excel file where I made the txy diagram from the
>>> regressed UNIQUAC parameters, 2) the DWSIM file where I attempted to make
>>> the binary phase diagram, 3) the txy diagram generated by DWSIM.
>>>
>>> As you can see, the phase diagram in the excel file agrees with that in
>>> literature (http://www.chemguide.co.uk/physical/phaseeqia/nonideal.html
>>> ).
>>>
>>> Interestingly, I used an additional parameter UNIQUAC Q' to correct for
>>> the presence of water or alcohols (in this case for water). This is
>>> referenced in:
>>> http://webpages.sdsmt.edu/~ddixon/prausnitz_activcoeff.pdf (see. page
>>> 264). When I use this parameter, the txy predicts the azeotrope very well.
>>> When I don't use this (simply Q' = Q), which is the case in how DWSIM does
>>> UNIQUAC, then I get a good enough txy diagram (very similar).
>>>
>>> I would appreciate any insight on your part.
>>>
>>> Thanks,
>>>
>>> Hector D. Perez
>>>
>>
>>
>

Re: [dwsim-users] UNIQUAC VLE TXY diagram issue

[Hector P. <hpe...@gm...>]

Great. Thanks Daniel. Happy Vacations.

Hector D. Perez

On Fri, Jul 15, 2016 at 6:04 AM, Daniel Wagner <dan...@gm...> wrote:

> Hi Hector,
>
> I'm on vacation until next sunday, I'll be able to answer all support
> requests after that.
>
> Regards
> Daniel
>
> 2016-07-12 16:43 GMT-03:00 Hector Perez <hpe...@gm...>:
>
>> Hi Daniel,
>>
>> I've been attempting to model nitric acid / water VLE. I have regressed
>> the UNIQUAC parameters from partial pressure data in Perry's Handbook. I
>> put these interaction parameters in DWSIM in the appropriate parameters
>> (cal/mol, cal/mol-K, cal/mol-K^2). Nonetheless, DWSIM doesn't seem to
>> reproduce the nitric acid/water azeotrope. Additionaly, when I use an
>> average interaction parameter (a12 and a21), DWSIM doesn't run at all and
>> gets hung up.
>>
>> As far as i understand and from what I gather from the DWSIM source code,
>> tau(i,j) = exp(-(aij+bij*T+cij*T^2)/RT).
>>
>> What am I missing?
>>
>> I am attaching 1) the excel file where I made the txy diagram from the
>> regressed UNIQUAC parameters, 2) the DWSIM file where I attempted to make
>> the binary phase diagram, 3) the txy diagram generated by DWSIM.
>>
>> As you can see, the phase diagram in the excel file agrees with that in
>> literature (http://www.chemguide.co.uk/physical/phaseeqia/nonideal.html).
>>
>> Interestingly, I used an additional parameter UNIQUAC Q' to correct for
>> the presence of water or alcohols (in this case for water). This is
>> referenced in: http://webpages.sdsmt.edu/~ddixon/prausnitz_activcoeff.pdf
>> (see. page 264). When I use this parameter, the txy predicts the azeotrope
>> very well. When I don't use this (simply Q' = Q), which is the case in how
>> DWSIM does UNIQUAC, then I get a good enough txy diagram (very similar).
>>
>> I would appreciate any insight on your part.
>>
>> Thanks,
>>
>> Hector D. Perez
>>
>
>

Re: [dwsim-users] UNIQUAC VLE TXY diagram issue

[Daniel W. <dan...@gm...>]

Hi Hector,

I'm on vacation until next sunday, I'll be able to answer all support
requests after that.

Regards
Daniel

2016-07-12 16:43 GMT-03:00 Hector Perez <hpe...@gm...>:

> Hi Daniel,
>
> I've been attempting to model nitric acid / water VLE. I have regressed
> the UNIQUAC parameters from partial pressure data in Perry's Handbook. I
> put these interaction parameters in DWSIM in the appropriate parameters
> (cal/mol, cal/mol-K, cal/mol-K^2). Nonetheless, DWSIM doesn't seem to
> reproduce the nitric acid/water azeotrope. Additionaly, when I use an
> average interaction parameter (a12 and a21), DWSIM doesn't run at all and
> gets hung up.
>
> As far as i understand and from what I gather from the DWSIM source code,
> tau(i,j) = exp(-(aij+bij*T+cij*T^2)/RT).
>
> What am I missing?
>
> I am attaching 1) the excel file where I made the txy diagram from the
> regressed UNIQUAC parameters, 2) the DWSIM file where I attempted to make
> the binary phase diagram, 3) the txy diagram generated by DWSIM.
>
> As you can see, the phase diagram in the excel file agrees with that in
> literature (http://www.chemguide.co.uk/physical/phaseeqia/nonideal.html).
>
> Interestingly, I used an additional parameter UNIQUAC Q' to correct for
> the presence of water or alcohols (in this case for water). This is
> referenced in: http://webpages.sdsmt.edu/~ddixon/prausnitz_activcoeff.pdf
> (see. page 264). When I use this parameter, the txy predicts the azeotrope
> very well. When I don't use this (simply Q' = Q), which is the case in how
> DWSIM does UNIQUAC, then I get a good enough txy diagram (very similar).
>
> I would appreciate any insight on your part.
>
> Thanks,
>
> Hector D. Perez
>

[dwsim-users] UNIQUAC VLE TXY diagram issue

[Hector P. <hpe...@gm...>]

Hi Daniel,

I've been attempting to model nitric acid / water VLE. I have regressed the
UNIQUAC parameters from partial pressure data in Perry's Handbook. I put
these interaction parameters in DWSIM in the appropriate parameters
(cal/mol, cal/mol-K, cal/mol-K^2). Nonetheless, DWSIM doesn't seem to
reproduce the nitric acid/water azeotrope. Additionaly, when I use an
average interaction parameter (a12 and a21), DWSIM doesn't run at all and
gets hung up.

As far as i understand and from what I gather from the DWSIM source code,
tau(i,j) = exp(-(aij+bij*T+cij*T^2)/RT).

What am I missing?

I am attaching 1) the excel file where I made the txy diagram from the
regressed UNIQUAC parameters, 2) the DWSIM file where I attempted to make
the binary phase diagram, 3) the txy diagram generated by DWSIM.

As you can see, the phase diagram in the excel file agrees with that in
literature (http://www.chemguide.co.uk/physical/phaseeqia/nonideal.html).

Interestingly, I used an additional parameter UNIQUAC Q' to correct for the
presence of water or alcohols (in this case for water). This is referenced
in: http://webpages.sdsmt.edu/~ddixon/prausnitz_activcoeff.pdf (see. page
264). When I use this parameter, the txy predicts the azeotrope very well.
When I don't use this (simply Q' = Q), which is the case in how DWSIM does
UNIQUAC, then I get a good enough txy diagram (very similar).

I would appreciate any insight on your part.

Thanks,

Hector D. Perez

[dwsim-users] Query

[Mohamed T. <sag...@gm...>]

Greetings, could you tell me how to design  polyvinyleacetate production
line ?

Re: [dwsim-users] DWSIM: leaching and electroplating

[Hector P. <hpe...@gm...>]

Never mind, I just figured it out form the units.

Thanks

Hector D. Perez

On Mon, Jul 11, 2016 at 11:01 PM, Hector Perez <hpe...@gm...> wrote:

> Hi Daniel,
>
> I was looking through the property packages for the UNIQUAC model because
> I can't get DWSIM to reproduce the txy diagram for nitric acid / water (it
> is completely wrong from the literature). I see that there are 6
> interaction parameters that can be filled out Aij, Bij, Cij. I assume that
> these are used in some polynomial or other form to calculate the UNIQUAC
> binary interaction parameter. I couldn't figure out what the form of this
> equation was. Is it
> [image: \ln \tau_{ij} = A_{ij} + B_{ij}/T + C_{ij} \ln(T)+ D_{ij} T +
> E_{ij}/T^2]  (without the Dij and Eij terms? btw, I got this from
> wikipedia UNIQUAC).
>
> Thank you for your insight,
>
> Hector D. Perez
>
> On Mon, Jun 27, 2016 at 3:16 PM, Daniel Wagner <dan...@gm...>
> wrote:
>
>> These samples aren`t for Unit Operations.
>>
>> You could also try developing a UO in MatLab or SciLab:
>> http://www.amsterchem.com/downloads/NashvilleExtendedAbstract.pdf
>>
>>
>> 2016-06-27 16:11 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>>> Thanks. I’ve checked the Excel UO and Custom UO. Unfortunately, I cannot
>>> open the samples with Cape-open UO’s. I get the following error when I try
>>> to open these samples (I am using windows 10):
>>>
>>>
>>>
>>>
>>>
>>> Hector
>>>
>>>
>>>
>>> *From: *Daniel Wagner <dan...@gm...>
>>> *Sent: *Monday, June 27, 2016 2:26 PM
>>> *To: *Hector Perez <hpe...@gm...>
>>> *Cc: *dws...@li...
>>> *Subject: *Re: DWSIM: leaching and electroplating
>>>
>>>
>>>
>>> Check the "samples" folder.
>>>
>>>
>>>
>>> 2016-06-27 15:24 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>
>>> Hi Daniel,
>>>
>>>
>>>
>>> Do you have an example of creating an Excel UO, IPython UO, and
>>> CAPE-OPEN UO?
>>>
>>>
>>>
>>> Thanks
>>>
>>>
>>>
>>> Hector
>>>
>>> *From: *Daniel Wagner <dan...@gm...>
>>> *Sent: *Monday, June 27, 2016 2:16 PM
>>> *To: *Hector Perez <hpe...@gm...>
>>> *Cc: *dws...@li...
>>> *Subject: *Re: DWSIM: leaching and electroplating
>>>
>>>
>>>
>>> Hi Hector,
>>>
>>>
>>>
>>> DWSIM has simplified solid-liquid separator and solids filter models. To
>>> create your own models you can use the Excel Unit Operation or the
>>> IronPython Scripting Unit Operation. You can also create a CAPE-OPEN Unit
>>> Operation and load it in DWSIM and other compatible simulators.
>>>
>>>
>>>
>>> Regards
>>>
>>> Daniel
>>>
>>>
>>>
>>> 2016-06-27 14:58 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>
>>> Hi Daniel,
>>>
>>>
>>>
>>> I would like to know if it is possible to simulate solid-liquid
>>> extraction (leaching) and electrodeposition (electroplating) in DWSIM. If
>>> not, can I code the equations for these processes into the program?
>>>
>>>
>>>
>>> Thanks,
>>>
>>>
>>> Hector
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>

Re: [dwsim-users] DWSIM: leaching and electroplating

[Hector P. <hpe...@gm...>]

Hi Daniel,

I was looking through the property packages for the UNIQUAC model because I
can't get DWSIM to reproduce the txy diagram for nitric acid / water (it is
completely wrong from the literature). I see that there are 6 interaction
parameters that can be filled out Aij, Bij, Cij. I assume that these are
used in some polynomial or other form to calculate the UNIQUAC binary
interaction parameter. I couldn't figure out what the form of this equation
was. Is it
[image: \ln \tau_{ij} = A_{ij} + B_{ij}/T + C_{ij} \ln(T)+ D_{ij} T +
E_{ij}/T^2]  (without the Dij and Eij terms? btw, I got this from wikipedia
UNIQUAC).

Thank you for your insight,

Hector D. Perez

On Mon, Jun 27, 2016 at 3:16 PM, Daniel Wagner <dan...@gm...> wrote:

> These samples aren`t for Unit Operations.
>
> You could also try developing a UO in MatLab or SciLab:
> http://www.amsterchem.com/downloads/NashvilleExtendedAbstract.pdf
>
>
> 2016-06-27 16:11 GMT-04:00 Hector Perez <hpe...@gm...>:
>
>> Thanks. I’ve checked the Excel UO and Custom UO. Unfortunately, I cannot
>> open the samples with Cape-open UO’s. I get the following error when I try
>> to open these samples (I am using windows 10):
>>
>>
>>
>>
>>
>> Hector
>>
>>
>>
>> *From: *Daniel Wagner <dan...@gm...>
>> *Sent: *Monday, June 27, 2016 2:26 PM
>> *To: *Hector Perez <hpe...@gm...>
>> *Cc: *dws...@li...
>> *Subject: *Re: DWSIM: leaching and electroplating
>>
>>
>>
>> Check the "samples" folder.
>>
>>
>>
>> 2016-06-27 15:24 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> Hi Daniel,
>>
>>
>>
>> Do you have an example of creating an Excel UO, IPython UO, and CAPE-OPEN
>> UO?
>>
>>
>>
>> Thanks
>>
>>
>>
>> Hector
>>
>> *From: *Daniel Wagner <dan...@gm...>
>> *Sent: *Monday, June 27, 2016 2:16 PM
>> *To: *Hector Perez <hpe...@gm...>
>> *Cc: *dws...@li...
>> *Subject: *Re: DWSIM: leaching and electroplating
>>
>>
>>
>> Hi Hector,
>>
>>
>>
>> DWSIM has simplified solid-liquid separator and solids filter models. To
>> create your own models you can use the Excel Unit Operation or the
>> IronPython Scripting Unit Operation. You can also create a CAPE-OPEN Unit
>> Operation and load it in DWSIM and other compatible simulators.
>>
>>
>>
>> Regards
>>
>> Daniel
>>
>>
>>
>> 2016-06-27 14:58 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> Hi Daniel,
>>
>>
>>
>> I would like to know if it is possible to simulate solid-liquid
>> extraction (leaching) and electrodeposition (electroplating) in DWSIM. If
>> not, can I code the equations for these processes into the program?
>>
>>
>>
>> Thanks,
>>
>>
>> Hector
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>

Re: [dwsim-users] DWSIM: leaching and electroplating

[Daniel W. <dan...@gm...>]

These samples aren`t for Unit Operations.

You could also try developing a UO in MatLab or SciLab:
http://www.amsterchem.com/downloads/NashvilleExtendedAbstract.pdf

2016-06-27 16:11 GMT-04:00 Hector Perez <hpe...@gm...>:

> Thanks. I’ve checked the Excel UO and Custom UO. Unfortunately, I cannot
> open the samples with Cape-open UO’s. I get the following error when I try
> to open these samples (I am using windows 10):
>
>
>
>
>
> Hector
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Monday, June 27, 2016 2:26 PM
> *To: *Hector Perez <hpe...@gm...>
> *Cc: *dws...@li...
> *Subject: *Re: DWSIM: leaching and electroplating
>
>
>
> Check the "samples" folder.
>
>
>
> 2016-06-27 15:24 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> Do you have an example of creating an Excel UO, IPython UO, and CAPE-OPEN
> UO?
>
>
>
> Thanks
>
>
>
> Hector
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Monday, June 27, 2016 2:16 PM
> *To: *Hector Perez <hpe...@gm...>
> *Cc: *dws...@li...
> *Subject: *Re: DWSIM: leaching and electroplating
>
>
>
> Hi Hector,
>
>
>
> DWSIM has simplified solid-liquid separator and solids filter models. To
> create your own models you can use the Excel Unit Operation or the
> IronPython Scripting Unit Operation. You can also create a CAPE-OPEN Unit
> Operation and load it in DWSIM and other compatible simulators.
>
>
>
> Regards
>
> Daniel
>
>
>
> 2016-06-27 14:58 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> I would like to know if it is possible to simulate solid-liquid extraction
> (leaching) and electrodeposition (electroplating) in DWSIM. If not, can I
> code the equations for these processes into the program?
>
>
>
> Thanks,
>
>
> Hector
>
>
>
>
>
>
>
>
>

Re: [dwsim-users] DWSIM: leaching and electroplating

[Hector P. <hpe...@gm...>]

Thanks. I’ve checked the Excel UO and Custom UO. Unfortunately, I cannot open the samples with Cape-open UO’s. I get the following error when I try to open these samples (I am using windows 10):



Hector

From: Daniel Wagner

Re: [dwsim-users] DWSIM: leaching and electroplating

[Daniel W. <dan...@gm...>]

Check the "samples" folder.

2016-06-27 15:24 GMT-04:00 Hector Perez <hpe...@gm...>:

> Hi Daniel,
>
>
>
> Do you have an example of creating an Excel UO, IPython UO, and CAPE-OPEN
> UO?
>
>
>
> Thanks
>
>
>
> Hector
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Monday, June 27, 2016 2:16 PM
> *To: *Hector Perez <hpe...@gm...>
> *Cc: *dws...@li...
> *Subject: *Re: DWSIM: leaching and electroplating
>
>
>
> Hi Hector,
>
>
>
> DWSIM has simplified solid-liquid separator and solids filter models. To
> create your own models you can use the Excel Unit Operation or the
> IronPython Scripting Unit Operation. You can also create a CAPE-OPEN Unit
> Operation and load it in DWSIM and other compatible simulators.
>
>
>
> Regards
>
> Daniel
>
>
>
> 2016-06-27 14:58 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> I would like to know if it is possible to simulate solid-liquid extraction
> (leaching) and electrodeposition (electroplating) in DWSIM. If not, can I
> code the equations for these processes into the program?
>
>
>
> Thanks,
>
>
> Hector
>
>
>
>
>

Re: [dwsim-users] DWSIM: leaching and electroplating

[Hector P. <hpe...@gm...>]

Hi Daniel,

Do you have an example of creating an Excel UO, IPython UO, and CAPE-OPEN UO?

Thanks

Hector
From: Daniel Wagner

Re: [dwsim-users] DWSIM: leaching and electroplating

[Daniel W. <dan...@gm...>]

Hi Hector,

DWSIM has simplified solid-liquid separator and solids filter models. To
create your own models you can use the Excel Unit Operation or the
IronPython Scripting Unit Operation. You can also create a CAPE-OPEN Unit
Operation and load it in DWSIM and other compatible simulators.

Regards
Daniel

2016-06-27 14:58 GMT-04:00 Hector Perez <hpe...@gm...>:

> Hi Daniel,
>
> I would like to know if it is possible to simulate solid-liquid extraction
> (leaching) and electrodeposition (electroplating) in DWSIM. If not, can I
> code the equations for these processes into the program?
>
> Thanks,
>
> Hector
>

[dwsim-users] DWSIM: leaching and electroplating

[Hector P. <hpe...@gm...>]

Hi Daniel,

I would like to know if it is possible to simulate solid-liquid extraction
(leaching) and electrodeposition (electroplating) in DWSIM. If not, can I
code the equations for these processes into the program?

Thanks,

Hector

[dwsim-users] (no subject)

[Hector P. <hpe...@gm...>]

Hi Daniel,

I've tried to replicate what Lisa did in the forum:
Ho to treat/ input C6+ in DWSIM
Unfortunately the bulk c7+ petroleum characterization doesn't seem to be
working: I can get the SG and MW to output numbers, but the rest of the
fields say NaN. Any insight here would be appreciated. I am using the
latest version of DWSIM.

By the way, any time I try to open this tool, I get an error but it still
opens if I hit continue. Once I've closed the tool, I have to close and
reopen DWSIM in order to open the tool again.

Thanks,


Hector Perez

Re: [dwsim-users] reactor application - ethyl acetate

[Daniel W. <dan...@gm...>]

Maybe you could get it using apt-get?

2016-05-10 10:49 GMT-04:00 Daniel Wagner <dan...@gm...>:

> Right, no error messages related to lpsolve.
>
> I just noticed that the included files are for x86 and x86-64 operating
> systems, and the linux distribution running in Raspberry is compiled for
> the ARM platform. You may try searching for a compatible file on
> https://sourceforge.net/projects/lpsolve/, or you'll have to compile it
> from the sources.
>
> Regards
> Daniel
>
>
>
> 2016-05-10 10:43 GMT-04:00 Hector Perez <hpe...@gm...>:
>
>> Oh, I see. So when I ran “dwsim-debug” in the terminal. The terminal gave
>> the following:
>>
>>
>>
>>
>>
>> Hector D. Perez
>> Chemical Engineering Consultant
>> (+1) 801-788-4899
>> (+57) 315-897-4902
>> skype: hdavid16
>>
>>
>>
>> *From: *Daniel Wagner <dan...@gm...>
>> *Sent: *Tuesday, May 10, 2016 9:39 AM
>>
>> *To: *Hector Perez <hpe...@gm...>;
>> dws...@li...
>> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>>
>>
>>
>> On linux, the file is "liblpsolve55.so". The error message should be the
>> one in the console (terminal) window, not the one from DWSIM's log window.
>>
>>
>>
>> 2016-05-10 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> I ran it in debug mode and got the same error: “RG-000: lpsolve55.dll”
>>
>>
>>
>> I noticed that lpsolve55.dll isn’t in the DWSIM directory. I tried
>> copying it from my windows version, but that didn’t work either.
>>
>>
>>
>> Hector D. Perez
>> Chemical Engineering Consultant
>> (+1) 801-788-4899
>> (+57) 315-897-4902
>> skype: hdavid16
>>
>>
>>
>> *From: *Daniel Wagner <dan...@gm...>
>> *Sent: *Tuesday, May 10, 2016 9:07 AM
>>
>>
>> *To: *Hector Perez <hpe...@gm...>;
>> dws...@li...
>> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>>
>>
>>
>> Run DWSIM in debug mode (either by typing "dwsim-debug" or "mono --debug
>> DWSIM.exe") and send me the error message that appears on the console when
>> you try to calculate the gibbs reactor.
>>
>>
>>
>> 2016-05-10 10:03 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> Yes, the version of MONO I have on my RPI is 4.2.3.2-Oxamarin2.
>>
>>
>>
>> Hector D. Perez
>> Chemical Engineering Consultant
>> skype: hdavid16
>>
>>
>>
>> *From: *Daniel Wagner <dan...@gm...>
>> *Sent: *Tuesday, May 10, 2016 8:57 AM
>>
>>
>> *To: *Hector Perez <hpe...@gm...>;
>> dws...@li...
>> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>>
>>
>>
>> Did you update Mono to its latest version (4.0+)?
>>
>>
>>
>> 2016-05-10 9:55 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> The file is in the DWSIM directory (/usr/local/lib/dwsim/) already.
>>
>>
>>
>> Hector D. Perez
>> Chemical Engineering Consultant
>> skype: hdavid16
>>
>>
>>
>> *From: *Daniel Wagner <dan...@gm...>
>> *Sent: *Tuesday, May 10, 2016 8:30 AM
>> *To: *Hector Perez <hpe...@gm...>;
>> dws...@li...
>>
>>
>> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>>
>>
>>
>> Check if you have the "liblpsolve55.so" file in your DWSIM directory, if
>> not you can copy it from the "linux" folder.
>>
>>
>>
>> 2016-05-10 9:24 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> Hi Daniel,
>>
>>
>>
>> Unfortunately I have run the 3 tasks available in the Additional File
>> Tasks and it still gives the same error. It seems like the lpsolve55 is not
>> installing properly.
>>
>>
>>
>> Thanks,
>>
>>
>> Hector D. Perez
>>
>> Chemical Engineering Consultant
>>
>> skype: hdavid16
>>
>>
>>
>> On Tue, May 10, 2016 at 8:07 AM, Daniel Wagner <dan...@gm...>
>> wrote:
>>
>> Hi Hector,
>>
>>
>>
>> You must go to Tools > Additional File Tasks and copy the missing files.
>>
>>
>>
>> Regarding the differences between reaction approaches, this is probably
>> because the gibbs formation-based K expression is not adequate for this
>> reaction, otherwise the results would be the same as in the "Gibbs and
>> Equilibrium Reactors" sample.
>>
>>
>>
>> Regards
>>
>> Daniel
>>
>>
>>
>>
>>
>> 2016-05-10 1:05 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> Otra coisa que encontrei foi que "ReactionExtents" (no RPI) tive mais
>> produccao do Ethyl Acetate (20% mais) que "DirectMinimization" (no Windows
>> 10).
>>
>>
>> Hector D. Perez
>>
>> Chemical Engineering Consultant
>>
>> skype: hdavid16
>>
>>
>>
>> On Tue, May 10, 2016 at 12:00 AM, Hector Perez <hpe...@gm...>
>> wrote:
>>
>> Boa Noite Daniel,
>>
>>
>>
>> Eu instalei o DWSIM no meu Raspberry Pi. Tive um problem com a simulacao
>> dos reactores. O problema foi con o Gibb's Reactor. Cuando o metodo do
>> calculo e "DirectMinimization", disse Error: lpsolve55.dll. Entao eu tive
>> que mudar o metodo ao "ReactionExtents". Depois disso a simulacao fica bem.
>> Voce conhece por que tive o error com lpsolve55.dll?
>>
>>
>>
>> Obrigado,
>>
>>
>> Hector D. Perez
>>
>> Chemical Engineering Consultant
>>
>> skype: hdavid16
>>
>>
>>
>> On Wed, Apr 27, 2016 at 7:49 PM, Hector Perez <hpe...@gm...> wrote:
>>
>> That’s a nice feature. Thanks, Daniel. I’ll pass the word on to him.
>>
>>
>>
>> Boa noite!
>>
>>
>>
>> Hector D. Perez
>> Chemical Engineering Consultant
>> (+1) 801-788-4899
>> (+57) 315-897-4902
>> skype: hdavid16
>>
>>
>>
>> *From: *Daniel Wagner <dan...@gm...>
>> *Sent: *Wednesday, April 27, 2016 5:28 PM
>> *To: *Hector Perez <hpe...@gm...>
>> *Cc: *dws...@li...
>> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>>
>>
>>
>> I´ll only have access to your simulation if you send the file to me. You
>> can add an additional security layer by defining a password on Settings >
>> Misc and saving the file in the "dwxmz (compressed XML)" format.
>>
>>
>>
>> 2016-04-27 17:21 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> Hi Daniel,
>>
>>
>>
>> A friend of mine that I've introduced to DWSIM asked me if the program
>> back downloads the simulations one builds or if they are kept private
>> (confidential) on one's own PC.
>>
>>
>>
>> Thanks,
>>
>>
>> Hector D. Perez
>>
>>
>>
>>
>>
>> On Wed, Apr 27, 2016 at 9:38 AM, Daniel Wagner <dan...@gm...>
>> wrote:
>>
>> Actually I've designed the reactors in DWSIM based on HYSYS, though I
>> don't remember if HYSYS also does pressure drop calculations or not. It was
>> quite easy to do it because I already have the routines from the Pipe
>> Segment Unit Op.
>>
>>
>>
>> Thanks!
>>
>> Daniel
>>
>>
>>
>> 2016-04-27 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> Ok. That makes sense. Well this is a +1 for DWSIM because ASPEN doesn't
>> seem to take into account the fact that the liquid begins to vaporize and
>> completely ignores the pressure drop. Once again, awesome job!
>>
>>
>> Hector D. Perez
>>
>> Chemical Engineering Consultant
>>
>>
>>
>> On Wed, Apr 27, 2016 at 9:32 AM, Daniel Wagner <dan...@gm...>
>> wrote:
>>
>> Hector, the pressure drop is at the limit of vaporization. When you
>> increase the length to 0.22, part of the liquid vaporizes and the pressure
>> drop goes beyond the charts. :-)
>>
>>
>>
>> Daniel
>>
>>
>>
>>
>>
>> 2016-04-27 10:16 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>> Yes. Here it is.
>>
>>
>>
>> Thanks,
>>
>>
>> Hector D. Perez
>>
>> Chemical Engineering Consultant
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>

Re: [dwsim-users] reactor application - ethyl acetate

[Daniel W. <dan...@gm...>]

Right, no error messages related to lpsolve.

I just noticed that the included files are for x86 and x86-64 operating
systems, and the linux distribution running in Raspberry is compiled for
the ARM platform. You may try searching for a compatible file on
https://sourceforge.net/projects/lpsolve/, or you'll have to compile it
from the sources.

Regards
Daniel



2016-05-10 10:43 GMT-04:00 Hector Perez <hpe...@gm...>:

> Oh, I see. So when I ran “dwsim-debug” in the terminal. The terminal gave
> the following:
>
>
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> (+1) 801-788-4899
> (+57) 315-897-4902
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 9:39 AM
>
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> On linux, the file is "liblpsolve55.so". The error message should be the
> one in the console (terminal) window, not the one from DWSIM's log window.
>
>
>
> 2016-05-10 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> I ran it in debug mode and got the same error: “RG-000: lpsolve55.dll”
>
>
>
> I noticed that lpsolve55.dll isn’t in the DWSIM directory. I tried copying
> it from my windows version, but that didn’t work either.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> (+1) 801-788-4899
> (+57) 315-897-4902
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 9:07 AM
>
>
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Run DWSIM in debug mode (either by typing "dwsim-debug" or "mono --debug
> DWSIM.exe") and send me the error message that appears on the console when
> you try to calculate the gibbs reactor.
>
>
>
> 2016-05-10 10:03 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Yes, the version of MONO I have on my RPI is 4.2.3.2-Oxamarin2.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 8:57 AM
>
>
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Did you update Mono to its latest version (4.0+)?
>
>
>
> 2016-05-10 9:55 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> The file is in the DWSIM directory (/usr/local/lib/dwsim/) already.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 8:30 AM
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
>
>
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Check if you have the "liblpsolve55.so" file in your DWSIM directory, if
> not you can copy it from the "linux" folder.
>
>
>
> 2016-05-10 9:24 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> Unfortunately I have run the 3 tasks available in the Additional File
> Tasks and it still gives the same error. It seems like the lpsolve55 is not
> installing properly.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Tue, May 10, 2016 at 8:07 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Hi Hector,
>
>
>
> You must go to Tools > Additional File Tasks and copy the missing files.
>
>
>
> Regarding the differences between reaction approaches, this is probably
> because the gibbs formation-based K expression is not adequate for this
> reaction, otherwise the results would be the same as in the "Gibbs and
> Equilibrium Reactors" sample.
>
>
>
> Regards
>
> Daniel
>
>
>
>
>
> 2016-05-10 1:05 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Otra coisa que encontrei foi que "ReactionExtents" (no RPI) tive mais
> produccao do Ethyl Acetate (20% mais) que "DirectMinimization" (no Windows
> 10).
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Tue, May 10, 2016 at 12:00 AM, Hector Perez <hpe...@gm...> wrote:
>
> Boa Noite Daniel,
>
>
>
> Eu instalei o DWSIM no meu Raspberry Pi. Tive um problem com a simulacao
> dos reactores. O problema foi con o Gibb's Reactor. Cuando o metodo do
> calculo e "DirectMinimization", disse Error: lpsolve55.dll. Entao eu tive
> que mudar o metodo ao "ReactionExtents". Depois disso a simulacao fica bem.
> Voce conhece por que tive o error com lpsolve55.dll?
>
>
>
> Obrigado,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Wed, Apr 27, 2016 at 7:49 PM, Hector Perez <hpe...@gm...> wrote:
>
> That’s a nice feature. Thanks, Daniel. I’ll pass the word on to him.
>
>
>
> Boa noite!
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> (+1) 801-788-4899
> (+57) 315-897-4902
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Wednesday, April 27, 2016 5:28 PM
> *To: *Hector Perez <hpe...@gm...>
> *Cc: *dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> I´ll only have access to your simulation if you send the file to me. You
> can add an additional security layer by defining a password on Settings >
> Misc and saving the file in the "dwxmz (compressed XML)" format.
>
>
>
> 2016-04-27 17:21 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> A friend of mine that I've introduced to DWSIM asked me if the program
> back downloads the simulations one builds or if they are kept private
> (confidential) on one's own PC.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
>
>
>
>
> On Wed, Apr 27, 2016 at 9:38 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Actually I've designed the reactors in DWSIM based on HYSYS, though I
> don't remember if HYSYS also does pressure drop calculations or not. It was
> quite easy to do it because I already have the routines from the Pipe
> Segment Unit Op.
>
>
>
> Thanks!
>
> Daniel
>
>
>
> 2016-04-27 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Ok. That makes sense. Well this is a +1 for DWSIM because ASPEN doesn't
> seem to take into account the fact that the liquid begins to vaporize and
> completely ignores the pressure drop. Once again, awesome job!
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
>
>
> On Wed, Apr 27, 2016 at 9:32 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Hector, the pressure drop is at the limit of vaporization. When you
> increase the length to 0.22, part of the liquid vaporizes and the pressure
> drop goes beyond the charts. :-)
>
>
>
> Daniel
>
>
>
>
>
> 2016-04-27 10:16 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Yes. Here it is.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

Re: [dwsim-users] reactor application - ethyl acetate

[Daniel W. <dan...@gm...>]

On linux, the file is "liblpsolve55.so". The error message should be the
one in the console (terminal) window, not the one from DWSIM's log window.

2016-05-10 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:

> I ran it in debug mode and got the same error: “RG-000: lpsolve55.dll”
>
>
>
> I noticed that lpsolve55.dll isn’t in the DWSIM directory. I tried copying
> it from my windows version, but that didn’t work either.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> (+1) 801-788-4899
> (+57) 315-897-4902
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 9:07 AM
>
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Run DWSIM in debug mode (either by typing "dwsim-debug" or "mono --debug
> DWSIM.exe") and send me the error message that appears on the console when
> you try to calculate the gibbs reactor.
>
>
>
> 2016-05-10 10:03 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Yes, the version of MONO I have on my RPI is 4.2.3.2-Oxamarin2.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 8:57 AM
>
>
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Did you update Mono to its latest version (4.0+)?
>
>
>
> 2016-05-10 9:55 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> The file is in the DWSIM directory (/usr/local/lib/dwsim/) already.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 8:30 AM
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
>
>
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Check if you have the "liblpsolve55.so" file in your DWSIM directory, if
> not you can copy it from the "linux" folder.
>
>
>
> 2016-05-10 9:24 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> Unfortunately I have run the 3 tasks available in the Additional File
> Tasks and it still gives the same error. It seems like the lpsolve55 is not
> installing properly.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Tue, May 10, 2016 at 8:07 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Hi Hector,
>
>
>
> You must go to Tools > Additional File Tasks and copy the missing files.
>
>
>
> Regarding the differences between reaction approaches, this is probably
> because the gibbs formation-based K expression is not adequate for this
> reaction, otherwise the results would be the same as in the "Gibbs and
> Equilibrium Reactors" sample.
>
>
>
> Regards
>
> Daniel
>
>
>
>
>
> 2016-05-10 1:05 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Otra coisa que encontrei foi que "ReactionExtents" (no RPI) tive mais
> produccao do Ethyl Acetate (20% mais) que "DirectMinimization" (no Windows
> 10).
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Tue, May 10, 2016 at 12:00 AM, Hector Perez <hpe...@gm...> wrote:
>
> Boa Noite Daniel,
>
>
>
> Eu instalei o DWSIM no meu Raspberry Pi. Tive um problem com a simulacao
> dos reactores. O problema foi con o Gibb's Reactor. Cuando o metodo do
> calculo e "DirectMinimization", disse Error: lpsolve55.dll. Entao eu tive
> que mudar o metodo ao "ReactionExtents". Depois disso a simulacao fica bem.
> Voce conhece por que tive o error com lpsolve55.dll?
>
>
>
> Obrigado,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Wed, Apr 27, 2016 at 7:49 PM, Hector Perez <hpe...@gm...> wrote:
>
> That’s a nice feature. Thanks, Daniel. I’ll pass the word on to him.
>
>
>
> Boa noite!
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> (+1) 801-788-4899
> (+57) 315-897-4902
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Wednesday, April 27, 2016 5:28 PM
> *To: *Hector Perez <hpe...@gm...>
> *Cc: *dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> I´ll only have access to your simulation if you send the file to me. You
> can add an additional security layer by defining a password on Settings >
> Misc and saving the file in the "dwxmz (compressed XML)" format.
>
>
>
> 2016-04-27 17:21 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> A friend of mine that I've introduced to DWSIM asked me if the program
> back downloads the simulations one builds or if they are kept private
> (confidential) on one's own PC.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
>
>
>
>
> On Wed, Apr 27, 2016 at 9:38 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Actually I've designed the reactors in DWSIM based on HYSYS, though I
> don't remember if HYSYS also does pressure drop calculations or not. It was
> quite easy to do it because I already have the routines from the Pipe
> Segment Unit Op.
>
>
>
> Thanks!
>
> Daniel
>
>
>
> 2016-04-27 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Ok. That makes sense. Well this is a +1 for DWSIM because ASPEN doesn't
> seem to take into account the fact that the liquid begins to vaporize and
> completely ignores the pressure drop. Once again, awesome job!
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
>
>
> On Wed, Apr 27, 2016 at 9:32 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Hector, the pressure drop is at the limit of vaporization. When you
> increase the length to 0.22, part of the liquid vaporizes and the pressure
> drop goes beyond the charts. :-)
>
>
>
> Daniel
>
>
>
>
>
> 2016-04-27 10:16 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Yes. Here it is.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

Re: [dwsim-users] reactor application - ethyl acetate

[Daniel W. <dan...@gm...>]

Run DWSIM in debug mode (either by typing "dwsim-debug" or "mono --debug
DWSIM.exe") and send me the error message that appears on the console when
you try to calculate the gibbs reactor.

2016-05-10 10:03 GMT-04:00 Hector Perez <hpe...@gm...>:

> Yes, the version of MONO I have on my RPI is 4.2.3.2-Oxamarin2.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 8:57 AM
>
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Did you update Mono to its latest version (4.0+)?
>
>
>
> 2016-05-10 9:55 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> The file is in the DWSIM directory (/usr/local/lib/dwsim/) already.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 8:30 AM
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
>
>
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Check if you have the "liblpsolve55.so" file in your DWSIM directory, if
> not you can copy it from the "linux" folder.
>
>
>
> 2016-05-10 9:24 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> Unfortunately I have run the 3 tasks available in the Additional File
> Tasks and it still gives the same error. It seems like the lpsolve55 is not
> installing properly.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Tue, May 10, 2016 at 8:07 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Hi Hector,
>
>
>
> You must go to Tools > Additional File Tasks and copy the missing files.
>
>
>
> Regarding the differences between reaction approaches, this is probably
> because the gibbs formation-based K expression is not adequate for this
> reaction, otherwise the results would be the same as in the "Gibbs and
> Equilibrium Reactors" sample.
>
>
>
> Regards
>
> Daniel
>
>
>
>
>
> 2016-05-10 1:05 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Otra coisa que encontrei foi que "ReactionExtents" (no RPI) tive mais
> produccao do Ethyl Acetate (20% mais) que "DirectMinimization" (no Windows
> 10).
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Tue, May 10, 2016 at 12:00 AM, Hector Perez <hpe...@gm...> wrote:
>
> Boa Noite Daniel,
>
>
>
> Eu instalei o DWSIM no meu Raspberry Pi. Tive um problem com a simulacao
> dos reactores. O problema foi con o Gibb's Reactor. Cuando o metodo do
> calculo e "DirectMinimization", disse Error: lpsolve55.dll. Entao eu tive
> que mudar o metodo ao "ReactionExtents". Depois disso a simulacao fica bem.
> Voce conhece por que tive o error com lpsolve55.dll?
>
>
>
> Obrigado,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Wed, Apr 27, 2016 at 7:49 PM, Hector Perez <hpe...@gm...> wrote:
>
> That’s a nice feature. Thanks, Daniel. I’ll pass the word on to him.
>
>
>
> Boa noite!
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> (+1) 801-788-4899
> (+57) 315-897-4902
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Wednesday, April 27, 2016 5:28 PM
> *To: *Hector Perez <hpe...@gm...>
> *Cc: *dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> I´ll only have access to your simulation if you send the file to me. You
> can add an additional security layer by defining a password on Settings >
> Misc and saving the file in the "dwxmz (compressed XML)" format.
>
>
>
> 2016-04-27 17:21 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> A friend of mine that I've introduced to DWSIM asked me if the program
> back downloads the simulations one builds or if they are kept private
> (confidential) on one's own PC.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
>
>
>
>
> On Wed, Apr 27, 2016 at 9:38 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Actually I've designed the reactors in DWSIM based on HYSYS, though I
> don't remember if HYSYS also does pressure drop calculations or not. It was
> quite easy to do it because I already have the routines from the Pipe
> Segment Unit Op.
>
>
>
> Thanks!
>
> Daniel
>
>
>
> 2016-04-27 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Ok. That makes sense. Well this is a +1 for DWSIM because ASPEN doesn't
> seem to take into account the fact that the liquid begins to vaporize and
> completely ignores the pressure drop. Once again, awesome job!
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
>
>
> On Wed, Apr 27, 2016 at 9:32 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Hector, the pressure drop is at the limit of vaporization. When you
> increase the length to 0.22, part of the liquid vaporizes and the pressure
> drop goes beyond the charts. :-)
>
>
>
> Daniel
>
>
>
>
>
> 2016-04-27 10:16 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Yes. Here it is.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

Re: [dwsim-users] reactor application - ethyl acetate

[Daniel W. <dan...@gm...>]

Did you update Mono to its latest version (4.0+)?

2016-05-10 9:55 GMT-04:00 Hector Perez <hpe...@gm...>:

> The file is in the DWSIM directory (/usr/local/lib/dwsim/) already.
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Tuesday, May 10, 2016 8:30 AM
> *To: *Hector Perez <hpe...@gm...>; dws...@li...
>
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> Check if you have the "liblpsolve55.so" file in your DWSIM directory, if
> not you can copy it from the "linux" folder.
>
>
>
> 2016-05-10 9:24 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> Unfortunately I have run the 3 tasks available in the Additional File
> Tasks and it still gives the same error. It seems like the lpsolve55 is not
> installing properly.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Tue, May 10, 2016 at 8:07 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Hi Hector,
>
>
>
> You must go to Tools > Additional File Tasks and copy the missing files.
>
>
>
> Regarding the differences between reaction approaches, this is probably
> because the gibbs formation-based K expression is not adequate for this
> reaction, otherwise the results would be the same as in the "Gibbs and
> Equilibrium Reactors" sample.
>
>
>
> Regards
>
> Daniel
>
>
>
>
>
> 2016-05-10 1:05 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Otra coisa que encontrei foi que "ReactionExtents" (no RPI) tive mais
> produccao do Ethyl Acetate (20% mais) que "DirectMinimization" (no Windows
> 10).
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Tue, May 10, 2016 at 12:00 AM, Hector Perez <hpe...@gm...> wrote:
>
> Boa Noite Daniel,
>
>
>
> Eu instalei o DWSIM no meu Raspberry Pi. Tive um problem com a simulacao
> dos reactores. O problema foi con o Gibb's Reactor. Cuando o metodo do
> calculo e "DirectMinimization", disse Error: lpsolve55.dll. Entao eu tive
> que mudar o metodo ao "ReactionExtents". Depois disso a simulacao fica bem.
> Voce conhece por que tive o error com lpsolve55.dll?
>
>
>
> Obrigado,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
> skype: hdavid16
>
>
>
> On Wed, Apr 27, 2016 at 7:49 PM, Hector Perez <hpe...@gm...> wrote:
>
> That’s a nice feature. Thanks, Daniel. I’ll pass the word on to him.
>
>
>
> Boa noite!
>
>
>
> Hector D. Perez
> Chemical Engineering Consultant
> (+1) 801-788-4899
> (+57) 315-897-4902
> skype: hdavid16
>
>
>
> *From: *Daniel Wagner <dan...@gm...>
> *Sent: *Wednesday, April 27, 2016 5:28 PM
> *To: *Hector Perez <hpe...@gm...>
> *Cc: *dws...@li...
> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>
>
>
> I´ll only have access to your simulation if you send the file to me. You
> can add an additional security layer by defining a password on Settings >
> Misc and saving the file in the "dwxmz (compressed XML)" format.
>
>
>
> 2016-04-27 17:21 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Hi Daniel,
>
>
>
> A friend of mine that I've introduced to DWSIM asked me if the program
> back downloads the simulations one builds or if they are kept private
> (confidential) on one's own PC.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
>
>
>
>
> On Wed, Apr 27, 2016 at 9:38 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Actually I've designed the reactors in DWSIM based on HYSYS, though I
> don't remember if HYSYS also does pressure drop calculations or not. It was
> quite easy to do it because I already have the routines from the Pipe
> Segment Unit Op.
>
>
>
> Thanks!
>
> Daniel
>
>
>
> 2016-04-27 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Ok. That makes sense. Well this is a +1 for DWSIM because ASPEN doesn't
> seem to take into account the fact that the liquid begins to vaporize and
> completely ignores the pressure drop. Once again, awesome job!
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
>
>
> On Wed, Apr 27, 2016 at 9:32 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
> Hector, the pressure drop is at the limit of vaporization. When you
> increase the length to 0.22, part of the liquid vaporizes and the pressure
> drop goes beyond the charts. :-)
>
>
>
> Daniel
>
>
>
>
>
> 2016-04-27 10:16 GMT-04:00 Hector Perez <hpe...@gm...>:
>
> Yes. Here it is.
>
>
>
> Thanks,
>
>
> Hector D. Perez
>
> Chemical Engineering Consultant
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

Re: [dwsim-users] reactor application - ethyl acetate

[Daniel W. <dan...@gm...>]

Check if you have the "liblpsolve55.so" file in your DWSIM directory, if
not you can copy it from the "linux" folder.

2016-05-10 9:24 GMT-04:00 Hector Perez <hpe...@gm...>:

> Hi Daniel,
>
> Unfortunately I have run the 3 tasks available in the Additional File
> Tasks and it still gives the same error. It seems like the lpsolve55 is not
> installing properly.
>
> Thanks,
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
> On Tue, May 10, 2016 at 8:07 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
>> Hi Hector,
>>
>> You must go to Tools > Additional File Tasks and copy the missing files.
>>
>> Regarding the differences between reaction approaches, this is probably
>> because the gibbs formation-based K expression is not adequate for this
>> reaction, otherwise the results would be the same as in the "Gibbs and
>> Equilibrium Reactors" sample.
>>
>> Regards
>> Daniel
>>
>>
>> 2016-05-10 1:05 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>>> Otra coisa que encontrei foi que "ReactionExtents" (no RPI) tive mais
>>> produccao do Ethyl Acetate (20% mais) que "DirectMinimization" (no Windows
>>> 10).
>>>
>>> Hector D. Perez
>>> Chemical Engineering Consultant
>>> skype: hdavid16
>>>
>>> On Tue, May 10, 2016 at 12:00 AM, Hector Perez <hpe...@gm...>
>>> wrote:
>>>
>>>> Boa Noite Daniel,
>>>>
>>>> Eu instalei o DWSIM no meu Raspberry Pi. Tive um problem com a
>>>> simulacao dos reactores. O problema foi con o Gibb's Reactor. Cuando o
>>>> metodo do calculo e "DirectMinimization", disse Error: lpsolve55.dll. Entao
>>>> eu tive que mudar o metodo ao "ReactionExtents". Depois disso a simulacao
>>>> fica bem. Voce conhece por que tive o error com lpsolve55.dll?
>>>>
>>>> Obrigado,
>>>>
>>>> Hector D. Perez
>>>> Chemical Engineering Consultant
>>>> skype: hdavid16
>>>>
>>>> On Wed, Apr 27, 2016 at 7:49 PM, Hector Perez <hpe...@gm...>
>>>> wrote:
>>>>
>>>>> That’s a nice feature. Thanks, Daniel. I’ll pass the word on to him.
>>>>>
>>>>>
>>>>>
>>>>> Boa noite!
>>>>>
>>>>>
>>>>>
>>>>> Hector D. Perez
>>>>> Chemical Engineering Consultant
>>>>> (+1) 801-788-4899
>>>>> (+57) 315-897-4902
>>>>> skype: hdavid16
>>>>>
>>>>>
>>>>>
>>>>> *From: *Daniel Wagner <dan...@gm...>
>>>>> *Sent: *Wednesday, April 27, 2016 5:28 PM
>>>>> *To: *Hector Perez <hpe...@gm...>
>>>>> *Cc: *dws...@li...
>>>>> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>>>>>
>>>>>
>>>>>
>>>>> I´ll only have access to your simulation if you send the file to me.
>>>>> You can add an additional security layer by defining a password on Settings
>>>>> > Misc and saving the file in the "dwxmz (compressed XML)" format.
>>>>>
>>>>>
>>>>>
>>>>> 2016-04-27 17:21 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>>>
>>>>> Hi Daniel,
>>>>>
>>>>>
>>>>>
>>>>> A friend of mine that I've introduced to DWSIM asked me if the program
>>>>> back downloads the simulations one builds or if they are kept private
>>>>> (confidential) on one's own PC.
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>>
>>>>> Hector D. Perez
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Apr 27, 2016 at 9:38 AM, Daniel Wagner <dan...@gm...>
>>>>> wrote:
>>>>>
>>>>> Actually I've designed the reactors in DWSIM based on HYSYS, though I
>>>>> don't remember if HYSYS also does pressure drop calculations or not. It was
>>>>> quite easy to do it because I already have the routines from the Pipe
>>>>> Segment Unit Op.
>>>>>
>>>>>
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Daniel
>>>>>
>>>>>
>>>>>
>>>>> 2016-04-27 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>>>
>>>>> Ok. That makes sense. Well this is a +1 for DWSIM because ASPEN
>>>>> doesn't seem to take into account the fact that the liquid begins to
>>>>> vaporize and completely ignores the pressure drop. Once again, awesome job!
>>>>>
>>>>>
>>>>> Hector D. Perez
>>>>>
>>>>> Chemical Engineering Consultant
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Apr 27, 2016 at 9:32 AM, Daniel Wagner <dan...@gm...>
>>>>> wrote:
>>>>>
>>>>> Hector, the pressure drop is at the limit of vaporization. When you
>>>>> increase the length to 0.22, part of the liquid vaporizes and the pressure
>>>>> drop goes beyond the charts. :-)
>>>>>
>>>>>
>>>>>
>>>>> Daniel
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 2016-04-27 10:16 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>>>
>>>>> Yes. Here it is.
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>>
>>>>> Hector D. Perez
>>>>>
>>>>> Chemical Engineering Consultant
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>

Re: [dwsim-users] reactor application - ethyl acetate

[Daniel W. <dan...@gm...>]

Hi Hector,

You must go to Tools > Additional File Tasks and copy the missing files.

Regarding the differences between reaction approaches, this is probably
because the gibbs formation-based K expression is not adequate for this
reaction, otherwise the results would be the same as in the "Gibbs and
Equilibrium Reactors" sample.

Regards
Daniel

2016-05-10 1:05 GMT-04:00 Hector Perez <hpe...@gm...>:

> Otra coisa que encontrei foi que "ReactionExtents" (no RPI) tive mais
> produccao do Ethyl Acetate (20% mais) que "DirectMinimization" (no Windows
> 10).
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
> On Tue, May 10, 2016 at 12:00 AM, Hector Perez <hpe...@gm...> wrote:
>
>> Boa Noite Daniel,
>>
>> Eu instalei o DWSIM no meu Raspberry Pi. Tive um problem com a simulacao
>> dos reactores. O problema foi con o Gibb's Reactor. Cuando o metodo do
>> calculo e "DirectMinimization", disse Error: lpsolve55.dll. Entao eu tive
>> que mudar o metodo ao "ReactionExtents". Depois disso a simulacao fica bem.
>> Voce conhece por que tive o error com lpsolve55.dll?
>>
>> Obrigado,
>>
>> Hector D. Perez
>> Chemical Engineering Consultant
>> skype: hdavid16
>>
>> On Wed, Apr 27, 2016 at 7:49 PM, Hector Perez <hpe...@gm...> wrote:
>>
>>> That’s a nice feature. Thanks, Daniel. I’ll pass the word on to him.
>>>
>>>
>>>
>>> Boa noite!
>>>
>>>
>>>
>>> Hector D. Perez
>>> Chemical Engineering Consultant
>>> (+1) 801-788-4899
>>> (+57) 315-897-4902
>>> skype: hdavid16
>>>
>>>
>>>
>>> *From: *Daniel Wagner <dan...@gm...>
>>> *Sent: *Wednesday, April 27, 2016 5:28 PM
>>> *To: *Hector Perez <hpe...@gm...>
>>> *Cc: *dws...@li...
>>> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>>>
>>>
>>>
>>> I´ll only have access to your simulation if you send the file to me. You
>>> can add an additional security layer by defining a password on Settings >
>>> Misc and saving the file in the "dwxmz (compressed XML)" format.
>>>
>>>
>>>
>>> 2016-04-27 17:21 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>
>>> Hi Daniel,
>>>
>>>
>>>
>>> A friend of mine that I've introduced to DWSIM asked me if the program
>>> back downloads the simulations one builds or if they are kept private
>>> (confidential) on one's own PC.
>>>
>>>
>>>
>>> Thanks,
>>>
>>>
>>> Hector D. Perez
>>>
>>>
>>>
>>>
>>>
>>> On Wed, Apr 27, 2016 at 9:38 AM, Daniel Wagner <dan...@gm...>
>>> wrote:
>>>
>>> Actually I've designed the reactors in DWSIM based on HYSYS, though I
>>> don't remember if HYSYS also does pressure drop calculations or not. It was
>>> quite easy to do it because I already have the routines from the Pipe
>>> Segment Unit Op.
>>>
>>>
>>>
>>> Thanks!
>>>
>>> Daniel
>>>
>>>
>>>
>>> 2016-04-27 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>
>>> Ok. That makes sense. Well this is a +1 for DWSIM because ASPEN doesn't
>>> seem to take into account the fact that the liquid begins to vaporize and
>>> completely ignores the pressure drop. Once again, awesome job!
>>>
>>>
>>> Hector D. Perez
>>>
>>> Chemical Engineering Consultant
>>>
>>>
>>>
>>> On Wed, Apr 27, 2016 at 9:32 AM, Daniel Wagner <dan...@gm...>
>>> wrote:
>>>
>>> Hector, the pressure drop is at the limit of vaporization. When you
>>> increase the length to 0.22, part of the liquid vaporizes and the pressure
>>> drop goes beyond the charts. :-)
>>>
>>>
>>>
>>> Daniel
>>>
>>>
>>>
>>>
>>>
>>> 2016-04-27 10:16 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>
>>> Yes. Here it is.
>>>
>>>
>>>
>>> Thanks,
>>>
>>>
>>> Hector D. Perez
>>>
>>> Chemical Engineering Consultant
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>