Gproms model for pressure swing adsorption and methanol synthesis

i need a complete model for methanol synthesis from syngas with pressure swing adsorption i am building a basic methanol synthesis model and part of i need to model a pressure swing adsorption process, i have the paper for the for the psa i want modelled, the methanol reactor i am not particualr on any model that can be used its quite a straightfoward model the syngas for the psa is a mixture of co, co2, n2, h2 and ch4 the psa systems will be used to separate three gases co,co2 and h2 these gases will be then conditioned and sent to the methanol reactor to produce methanol then the methanol is distilled