Answer to Question #243816 in Chemical Engineering for Vijay

Question #243816
To design a rector of hydrodesulfurization reaction to convert benzothiophene into ethylbenzene with a cobalt-molybdenum catalyst supported on alumina.we have packed bed reactor (adiabatic ) temp-260C and pressure 30bar.please provide solutions for reactor wall thickness
Expert's answer

The second factor that becomes important in reactions of substituted benzenes concerns the site at which electrophilic substitution occurs. Since a mono-substituted benzene ring has two equivalent ortho-sites, two equivalent meta-sites and a unique para-site, three possible constitutional isomers may be formed in such a substitution.These reactions involve various steps including hydrogenation and carbon-heteroatom bond cleavage, in which both hydrogen and hydrogen sulfide can play a role. To identify the mechanisms of these reactions, the process of adsorption (and of activation) of H2 and of H 2 S must be well understood.

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