Hydroconversion processes employing multi-metallic catalysts...

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

2008-10-28

2010-10-05

Wood, Elizabeth D (Department: 1793)

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

Catalyst or precursor therefor

Sulfur or compound containing same

C502S152000, C502S158000, C502S170000, C502S208000, C502S209000, C502S210000, C502S211000, C502S213000, C502S219000, C502S220000, C502S221000, C502S222000, C502S223000

Reexamination Certificate

active

07807599

ABSTRACT:
A process for making a catalyst precursor is disclosed. In one embodiment, the process comprises co-precipitating at reaction conditions forming a precipitate or cogel: at least a promoter metal compounds selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one of Group VIB metal compounds, at least an organic oxygen-containing ligand L. The precursor is represented by the formula Av[(MP) (OH)x(L)ny]z(MVIBO4), wherein A comprises an alkali metal cation, an ammonium, an organic ammonium or a phosphonium cation, MPis at least one of Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, L is the organic, oxygen-containing co-ordinating ligand, MVIBis at least one of Group VIB metals, and the atomic ratio of MP:MVIBis between 100:1 and 1:100.

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