Hydroconversion process employing multi-metallic catalysts...

Details Hydroconversion process employing multi-metallic catalysts... Hydroconversion process employing multi-metallic catalysts...

2008-10-28

2010-11-23

Gonzalez, Porfirio Nazario (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C556S031000

Reexamination Certificate

active

07838696

ABSTRACT:
A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a Promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. The oxygen-containing ligand is an environmentally friendly
on-toxic material having an LD50 rate of >500 mg/Kg as single oral dose to rats. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydro processing of hydrocarbon feeds.

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