Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1980-10-20
1982-04-13
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252441, 208115, B01J 2912, B01J 3726
Patent
active
043246982
ABSTRACT:
An improved zeolite-containing cracking catalyst prepared by treating a zeolite-containing cracking catalyst with an aqueous solution containing a fluorine compound, drying and calcining the fluorided catalyst. In a preferred embodiment, the fluorinating solution is an aqueous solution of hydrogen fluoride. The fluorided catalyst may be used per se as a cracking catalyst, or may be physically mixed with a metallic reforming catalyst for use as a cracking catalyst. The fluorided cracking catalysts exhibit improved activity and yield higher octane products than unfluorided cracking catalysts.
REFERENCES:
patent: 3097155 (1963-07-01), Friedman et al.
patent: 3113844 (1963-12-01), Hemminger
patent: 3318821 (1967-05-01), Pollitzer et al.
patent: 4191638 (1980-03-01), Plank et al.
Durkin Joseph A.
Froelich Joseph A.
Lewis Paul H.
Dees Carl F.
Texaco Inc.
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