Process for the preparation of a resulfided catalyst

Details Process for the preparation of a resulfided catalyst Process for the preparation of a resulfided catalyst

1991-03-20

1992-08-18

McFarlane, Anthony

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

Catalyst or precursor therefor

Sulfur or compound containing same

502219, 502220, 502221, 502222, 502223, 208215, B01J 27043

Patent

active

051399903

ABSTRACT:
Ex situ presulfidation of hydrotreating catalysts comprising impregnating the catalysts with an aqueous solution of an organic sulfur compound, e.g. the diammonium salt of 2,5-dimercapto-1,3,4-thiadiazole and 2,2'-dithiodiethanol, followed by drying of the impregnated material. The dried material is activated by contacting it with hydrogen gas at elevated temperature.

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