Presulfurized hydrotreating, hydrocracking or tail gas treating

Details Presulfurized hydrotreating, hydrocracking or tail gas treating Presulfurized hydrotreating, hydrocracking or tail gas treating

1992-10-30

1994-03-08

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Sulfur or compound containing same

502150, 502216, 502220, 502221, 502223, 208112, B01J 2704, B01J 27047, B01J 27045

Patent

active

052927024

ABSTRACT:
The invention relates to an unproved method of presulfurizing a sulfidable metal oxide(s)-containing catalyst which minimizes sulfur stripping upon start-up of a reactor and improves catalyst activity. The method consists of contacting a sulfidable metal oxide(s)-containing catalyst with elemental sulfur at a temperature such that said elemental sulfur is substantially incorporated in the pores of said catalyst by sublimation and/or melting and heating the sulfur-incorporated catalyst in the presence of a liquid olefinic hydrocarbon at a temperature greater than about 150.degree. C.

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