Promotion of cracking catalyst octane yield performance

Details Promotion of cracking catalyst octane yield performance Promotion of cracking catalyst octane yield performance

1980-07-18

1982-01-05

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208135, 208138, 252455Z, C10G 1105

Patent

active

043092802

ABSTRACT:
A process is provided for increasing gasoline octane number and/or total gasoline yield in catalytic cracking units by the addition of a very small amount of finely divided shape selective additive promoter, which additive promoter is not intimately combined with a substantial amount of another solid prior to contact with the cracking catalyst. The additive promoter, in one embodiment, is a crystalline aluminosilicate zeolite having a silica to alumina mole ratio greater than about 12 and a constraint index within the approximate range of 1 to 12.

REFERENCES:
patent: 3380911 (1968-04-01), Owen
patent: 3758403 (1973-09-01), Rosinski et al.
patent: 3770615 (1973-11-01), Blazek
patent: 3894933 (1975-07-01), Owen et al.
patent: 3894934 (1975-07-01), Owen et al.
patent: 3941871 (1976-03-01), Dwyer et al.
patent: 4219407 (1980-08-01), Haddad et al.
patent: 4239654 (1980-12-01), Gladrow et al.

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