Consumption of species

Hello everyone,

I have a question because I'm not quite sure how to model it. I have a reactor (square) which contains a chemical component A. A can react to B with the help of a catalyst. I want to simulate the consumption on the right side of the reactor (lets say A can diffuse in the whole reactor) with respect to the generation of B.

I'm not quite sure which modules to use. I tried with the diluted species (and maybe surface reaction modul?); But I don't know how I can set this up with the diluted species module.

Thanks for you help. I appreciate it.

regards Mika