초록 ▼

Disclosed is a process for the ex situ presulfidation of hydrotreating catalysts employing organic sulfur compounds with a boiling point exceeding 100°C. and satisfying the formula X－R1(S－R2)pS－R3－Y(I) wherein p=0, 1 or 2, R1, R2, and R3 may be the same or different and represent alkylene groups hav

Disclosed is a process for the ex situ presulfidation of hydrotreating catalysts employing organic sulfur compounds with a boiling point exceeding 100°C. and satisfying the formula X－R1(S－R2)pS－R3－Y(I) wherein p=0, 1 or 2, R1, R2, and R3 may be the same or different and represent alkylene groups having 1-4 carbon atoms, X and Y may be the same or different and have the meaning of －H, －OH, －OR44 or －C(O)OR5, wherein R4 has the meaning of an alkyl group or acyl group with 1-3 carbon atoms, and R5 has the meaning of －H, an ammonium group or an alkyl group with 1-3 carbon atoms. Also disclosed is a process for activating the thus presulfided catalyst.

대표청구항 ▼

A process for the preparation of a presulfided catalyst which following activation is suitable for use in the catalytic hydrotreatment of hydrocarbon-containing feeds comprising providing ex situ a fresh or regenerated catalyst containing a carrier material and one or more catalytically active metal

A process for the preparation of a presulfided catalyst which following activation is suitable for use in the catalytic hydrotreatment of hydrocarbon-containing feeds comprising providing ex situ a fresh or regenerated catalyst containing a carrier material and one or more catalytically active metals or metal compounds with an effective amount of an organic sulfur compound with a boiling point exceeding 100°C. and having formula X-R1－S-R2－pS-R3-Y (I) wherein p=0, 1 or 2, R1, R2, and R3 may be the same or different and represent alkylene groups having 1-4 carbon atoms, X and Y may be the same or different and have the meaning of －OH, －OR4 or －C(O)OR5, wherein R4 has the meaning of an alkyl group or acyl group with 1-3 carbon atoms, and R5 has the meaning of －H, an ammonium group or an alkyl group with 1-3 carbon atoms.