C3 Hydrogenation in Ethylene plant is found out to be completed within very less reactor length. The presence of excessive catalyst can be justified on what basis?
catalyst deactivation and hot spots moves by the time along the catalytic bed...
Catalyst deactivation by formation of green oil . Refer the following article.
Article Kinetic Modeling and Simulation of the Selective Hydrogenati...
How do you know that. Did you take samples from the interior of the reactor, or it is the result of simulation calculations. In addition, the construction of catalytic reactors is very different. Besides, not all the bed must be active. Too little information to answer correctly. Regards,
this a process problem. The selective hydrogenation of acetylene in ethylene currents over Pd catalyst is highly exotermic. The non control of the operation leads to desactivation and therefore catalyst is added to the reactor.
@miroslaw Grzesik.... The simulation indicates so. In addition, the temperature readings from the thermocouples also indicate that there is a sharp rise in the conversion in the very start of the reactor length and then it remains mostly constant till the end. Should it not be taken as an indication that no further reaction occurs. (since reaction is highly exothermic)
in this process all reactions are exothermic and the main reactions and collaterals that deactivate the catalyst occur. The exothermicity of the reactor will depend on the space velocity.
I am referring, with a delay. If there is a strongly exothermic single reaction and this is not a reversible reaction?, I can only suppose that the reactor was mistakenly designed (in relation to the process). Part of the bed may also be inactive and stores energy. Regards,
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