Lead/chloride/alumina isomerization catalyst for gasoline

Details Lead/chloride/alumina isomerization catalyst for gasoline Lead/chloride/alumina isomerization catalyst for gasoline

1975-06-09

1977-01-18

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208135, 208139, B01J 2706, C10G 3506

Patent

active

040038491

ABSTRACT:
A heavy gasoline fraction having a relatively low research octane number as for instance a fraction obtained from a cat cracker gasoline is passed over a chlorided alumina catalyst modified by the addition of 0.01 to 5 weight percent lead calculated as PbO. The presence of lead decreases the cracking activity of the catalyst so that it can be operated at a higher temperature which favors increased formation of aromatic hydrocarbons.

REFERENCES:
patent: 3476817 (1969-11-01), Vecchio
patent: 3700588 (1972-10-01), Weisang
patent: 3761426 (1973-09-01), Wilhelm
patent: 3796654 (1974-03-01), Wilhelm

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