Arsenic removal catalyst and method for making same

Details Arsenic removal catalyst and method for making same Arsenic removal catalyst and method for making same

2005-07-19

2005-07-19

Griffin, Walter D. (Department: 1764)

Mineral oils: processes and products

Refining

Metal contaminant removal

C208S253000, C208S25100H

Reexamination Certificate

active

06919018

ABSTRACT:
A catalyst for removing arsenic from petroleum feedstocks comprising a porous refractory support impregnated with at least 8 wt. % of a Group VIB metal and an amount of Group VIII metal such that the atomic ratio of Group VIII metal to Group VIB metal is between about 1.5 and 2.5. A method of making such catalyst and a process for removing arsenic metals from a petroleum fraction using said catalyst.

REFERENCES:
patent: 3617528 (1971-11-01), Hilfman
patent: 4719006 (1988-01-01), Goyal
patent: 4738944 (1988-04-01), Robinson et al.
patent: 4846961 (1989-07-01), Robinson et al.
patent: 5389595 (1995-02-01), Simpson et al.
patent: 5686375 (1997-11-01), Iyer et al.

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