Hydrocarbon conversion process

Details Hydrocarbon conversion process Hydrocarbon conversion process

1981-01-08

1982-02-16

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208120, 208135, 585408, C10G 1105, C10G 4720

Patent

active

043158145

ABSTRACT:
In a process for converting a high boiling hydrocarbon charge fraction to liquid products of lower boiling range which comprises contacting said charge fraction with a crystalline zeolite characterized by a silica/alumina ratio greater than 12, a constraint index between about 1 and about 12 and an acid activity measured by the alpha scale less than 10, said contacting being conducted at 650.degree. to 850.degree. F., space velocity of 0.1 to 5.0 LHSV and a pressure not less than about 200 psi, the improvement which comprises utilizing, as catalyst, a zeolite of the above character that is prepared by steaming followed by base exchange to substantially eliminate its activity for cracking n-hexane.

REFERENCES:
patent: 3700585 (1972-10-01), Chen et al.
patent: 3702886 (1972-11-01), Argauer et al.
patent: 3894104 (1975-07-01), Chang et al.
patent: 3899544 (1975-08-01), Chang et al.
patent: 3968024 (1976-07-01), Gorring et al.
patent: 4104320 (1978-08-01), Bernard et al.
patent: 4128592 (1978-12-01), Kaeding
patent: 4263129 (1981-04-01), Chen et al.
patent: 4269697 (1981-05-01), Chen et al.

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