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Catalyst poisoning in hydrogenation reactor

2016-05-10View Original

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Hello everyone, I have a question. Our hydrogenation reactor (using mixed xylene as the feedstock for hydrogenation) currently has similar temperatures at the inlet and outlet – both at 270 degrees – with a pressure difference of 350 KPa. It has had to be shut down; catalyst poisoning and loss of activity are the initial suspected causes. Could those of you with experience in this area share their insights! Is this situation we're in due to the catalyst losing its activity? What caused it?

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