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US 4,539,310 AGranted
Steam reforming catalyst
AssigneeThe M. W. Kellogg Company
InventorsHarry P. Leftin, Kashinath Z. Patil
Life of this patent
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Abstract
Hydrocarbon feedstocks including those containing sulfur are steam reformed in the presence of a catalyst which in the unreduced condition contains nickel oxide, rare earth metal oxide, and zirconium oxide.
Claims4
A sulfur resistant catalyst having a plurality of oxides, for steam reforming hydrocarbons containing from about 1 part per million to about 5 weight percent sulfur, which in the unreduced condition consists essentially of:
- (a) from about 20 to about 50 weight percent nickel oxide;
- (b) from about 10 to about 25 weight percent of one or more oxides of the lanthanons having atomic numbers 57 through 71;
- and
- (c) from about 25 to about 70 weight percent zirconium dioxide.
1 more element
Dependencies are inferred from the claim text.