Is there any utility in HYSYS for PSA(Pressure Swing Adsorption) simulation

As of today, there isn't a utility in HYSYS for PSA or any other type of adsorption processes. Aspen Adsorption (formerly known as Adsim) is an independent product for gaseous adsorption processes, however currently no methods available to either interface or use Adsorption in HYSYS. In HYSYS V7.1, an ACM model export may be a useable application, thus in theory, it should be possible to export Adsorption simulation into HYSYS (Dynamics). Another possible approach could be developing a PSA simulation using CSS model approach (a steady state modeling method by discretizing time and space) available in Aspen Adsorption, and then export it to HYSYS (Steady-State). Another method I could imagine is utilizing ASW (Aspen Simulation Workbook) to interface HYSYS and Adsorption. I personally believe any above option should be possible, but none of them has been so far tested internally (in Aspen) and externally (as far as I know). The important question is whether the feature is really needed. Some industrial adsorption processes (such as Polybeds for Hydrogen separation or Parex for p-Xylene extraction) are quite rigidly pre-configured process therefore it must be beneficial to have integrated application within HYSYS framework. In the past, I met several people who has shown interests on such integration. However I never seen any people who seriously wants to have such model and willing to pay for it. I think it is a gap in between "dream" and "reality". If you are really serious on that matter, let me know, perhaps I could help.

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