Process for the preparation of a presulphided catalyst

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

B - Operations, Transporting

01

J

252/52

B01J 37/20 (2006.01) B01J 23/85 (2006.01)

Patent

CA 1337650

Ex-situ presulphidation of hydrotreating catalysts comprising impregnating the catalysts with an aqueous solution of an organic sulphur 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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