Method of start-up of a contaminated hydrocarbon-conversion...

Details Method of start-up of a contaminated hydrocarbon-conversion... Method of start-up of a contaminated hydrocarbon-conversion...

C - Chemistry, Metallurgy

10

G

C10G 35/04 (2006.01)

Patent

CA 2048066

A hydrocarbon conversion process that uses a contaminant-sensitive catalyst and a conversion system that has been contaminated through contact with a contaminant-containing prior feed is started up by utilizing a hydrocarbon solvent in the absence of the contaminant-sensitive catalyst to purge contaminants, such as sulfur, from the conversion system. Complementary contaminant-removal steps may include oxidation, reduction, and contaminant removal with a sacrificial particulate bed. This solvent purge avoids deactivation of a subsequently loaded contaminant-sensitive catalyst, such as a reforming catalyst selective for dehydrocyclization.

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