I have some problems simulating the biogas upgrading by water scrubbing. The main issue so far has been the absorption column. I do not know exactly why the simulation is not running. No values are simulated in the absorber.
Please be aware that CO2 solubility in water is calculated by Henry coefficient. DWSIM automatically decides how to calculate this depending on temperature beeing above or below critical temperature of CO2. This may give unstable and/or wrong results.
@Daniel: we should modify this like in Aspen - define a component beeing either as a Henry component or not.
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Hi Daniel,
I have some problems simulating the biogas upgrading by water scrubbing. The main issue so far has been the absorption column. I do not know exactly why the simulation is not running. No values are simulated in the absorber.
Thank you in advance. With kind regards.
Roberto
Hi Roberto.
You have gas feed on stage 1 and liquid feed on stage 20. This doesn't make sense.
Regards
Daniel
Please be aware that CO2 solubility in water is calculated by Henry coefficient. DWSIM automatically decides how to calculate this depending on temperature beeing above or below critical temperature of CO2. This may give unstable and/or wrong results.
@Daniel: we should modify this like in Aspen - define a component beeing either as a Henry component or not.
Thank very much you both for the swift answer. The simulation is running.
Hi, Roberto.
Could you please share with me a corrected copy of your project?
Regards,