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Solid/gas phase equilibrium reactions with gas transport
Posted 21 janv. 2010, 15:59 UTC−5 1 Reply
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I have been trying to figure out the best way to setup solid/gas reactions using the Reaction engineering lab and the chemical engineering module.
The overall problem is to address the effusion of gas out of a material, where the multiple gases can be in contact with multiple solid condensed species (activity=1 and ideal mixing w/ gases), where there is one dominate solid species and the other deplete to zero as they react to form a gas. The gas concentrations can be assumed to be in equilibrium reaction with the solid because the reaction kinetics are much faster than the gas effusion rate.
I have seen how to treat gas reactions that involve only one solid phase, but am unsure how to address multiple condensed species. Additionally, I need to treat the gas flow for the species indivdually (based on a dusty gas flow) so I dont want to artificial denote a solvent gas that would dominate the flow properties unless necessary.
Thanks
Hello Joseph Pantina
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I am a beginner on COMSOL. I am doing a simulation of gas flow over a porous slab. The gas react with the porous material. I do not know how to carry this out. I see you know something about gas/solid reactions. Could you refer me to the tutorial ?
Thanks much,