Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-02-23
1977-08-09
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252455R, 252458, 252459, B01J 2702, B01J 2906
Patent
active
040409791
ABSTRACT:
A catalytic composite, comprising a combination of a nickel component and a tungsten component with a silica-alumina carrier material wherein the atomic ratio of nickel to nickel plus tungsten is about 0.1 to about 0.3. The key feature of the subject composite is the criticality of the ratio of nickel to nickel plus tungsten. The principal utility of the subject composite is in the hydrocracking of hydrocarbons. A specific example of the catalyst disclosed is a combination of nickel and tungsten with a silica-alumina carrier material containing 50 wt.% alumina in amounts sufficient to result in the composite having an atomic ratio of nickel to nickel plus tungsten of 0.2.
REFERENCES:
patent: 3523913 (1970-08-01), O'Hara
patent: 3639272 (1972-02-01), Elliott, Jr. et al.
patent: 3661805 (1972-05-01), Horvath
patent: 3751380 (1973-08-01), O'Hara
Gembicki Stanley A.
Hammerman John I.
Dees Carl F.
Hoatson Jr. James R.
McBride Thomas K.
Page II William H.
UOP Inc.
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