Catalytic process for preparing olefins by hydrocarbon pyrolysis

Details Catalytic process for preparing olefins by hydrocarbon pyrolysis Catalytic process for preparing olefins by hydrocarbon pyrolysis

1977-12-06

1979-10-30

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

252455Z, 585613, 585653, C10G 1104, C07C 1104, B01J 2924

Patent

active

041728165

ABSTRACT:
A process and catalyst for the catalytic pyrolysis of hydrocarbon to olefins and diolefins at temperatures in the range 600.degree.-750.degree. C. and pressures of 0.1 to 20 atmospheres. The catalyst is a bifunctional synthetic modified mordenite zeolite of the formula (yH.multidot.zM.multidot.uNa) O.multidot.Al.sub.2 O.sub.3 .multidot.SiO.sub.2 wherein M is Cu, Ag or Co/2 and u+y+z approach or equal 2. Good yields of ethylene and propylene are obtained from hydrocarbon feedstocks having boiling points up to 550.degree. C.

REFERENCES:
patent: 3516925 (1970-06-01), Lawrence et al.
patent: 3558476 (1971-01-01), Robbins et al.
patent: 3823092 (1974-07-01), Gladrow
patent: 3832449 (1974-08-01), Rosinski et al.
patent: 3835030 (1974-09-01), Mattox et al.
patent: 3835032 (1974-09-01), Dolbear et al.
patent: 3972983 (1976-08-01), Ciric

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