What model should be used to simulate the H2S removal process from coke oven gas in Aspen Plus?
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Dry desulfurization was chosen; I used a tower equipped with zinc oxide adsorption catalyst. The original idea was to use it as an adsorption tower to directly remove H2S (through a catalytic reaction between H2S and O2), but simulations revealed an error (exhaustion in the second stage). Can’t tower-type devices in software achieve direct dry desulfurization? I seek advice from experts. Is there any better way?
This is basically a problem of adsorption reaction, and it has nothing to do with the method used