Presulfiding composition for preparing hydrotreating catalyst ac

Details Presulfiding composition for preparing hydrotreating catalyst ac Presulfiding composition for preparing hydrotreating catalyst ac

1987-01-23

1988-02-16

Shine, W. J.

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

Catalyst or precursor therefor

Sulfur or compound containing same

252182, B01J 27049, B01J 27051, C09K 300

Patent

active

047255714

ABSTRACT:
A presulfiding agent which is a blend of an alkyl sulfide of the formula R.sub.1 S.sub.x R.sub.2 where R.sub.1 and R.sub.2 are alkyl groups having from 1 to 12 carbon atoms and x is 1 or 2 and an alkyl polysulfide of the formula R.sub.3 S.sub.y R.sub.4 wherein R.sub.3 and R.sub.4 are alkyl groups having from 1 to 20 carbon atoms and y is 2 to 8 provided that the total carbon atoms in R.sub.3 and R.sub.4 do not exceed 30 and y is greater than x, is disclosed herein along with a process employing said agent for sulfiding an oxidic hydrotreating catalyst to form a sulfided hydrotreating agent and a process of hydrotreating a petroleum fraction with such sulfided hydrotreating catalyst.

REFERENCES:
patent: 4443330 (1984-04-01), Nongbri
patent: 4530917 (1985-07-01), Berrebi

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