Process for preparing olefins at high pressure

Details Process for preparing olefins at high pressure Process for preparing olefins at high pressure

1982-06-09

1985-03-05

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

585648, C10G 1105, C10G 1102, C07C 406

Patent

active

045029458

ABSTRACT:
A highly efficient process for producing olefins using intermediate pore size zeolites is disclosed. The use of a specific range of silica:alumina mole ratios (175:1 to about 300:1) at pressure over 30 psia has been found to decrease catalyst deactivation rates for these intermediate pore size catalysts.

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patent: 3758403 (1973-09-01), Rosinski et al.
patent: 4107032 (1978-08-01), Chester
patent: 4251348 (1981-02-01), O'Rear et al.
patent: 4282085 (1981-08-01), O'Rear et al.
patent: 4309275 (1982-01-01), Mulasky
patent: 4330396 (1982-05-01), Miller
patent: 4340465 (1982-07-01), Miller et al.

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