Method of presulfurizing a hydrotreating, hydrocracking or tail

Details Method of presulfurizing a hydrotreating, hydrocracking or tail Method of presulfurizing a hydrotreating, hydrocracking or tail

1991-07-30

1993-06-01

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

052159540

ABSTRACT:
The invention relates to an improved 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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