Process for the production of perchloroethylene by catalytic oxy

Details Process for the production of perchloroethylene by catalytic oxy Process for the production of perchloroethylene by catalytic oxy

1979-07-10

1984-07-31

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C07C 2112

Patent

active

044632002

ABSTRACT:
The production of undesirable 1,1,2-trichloroethane and unsym-tetrachloroethane during the production of perchloroethylene is eliminated or essentially eliminated by an improved oxychlorination reaction. The oxychlorination reaction is carried out in the presence of a copper chloride-alkali metal chloride catalyst mixture deposited on a microspheroidal activated alumina carrier having an average particle size of between about 40 and about 70 microns and a surface area of at least about 100 m.sup.2 /g with the copper chloride and alkali metal chloride being present on the carrier in a weight ratio of at least about 1.2 to 1. Reaction parameters, including, e.g., time, temperature and pressure, are controlled to produce a reaction product containing perchloroethylene and trichloroethylene, and the reaction product is free from 1,1,2-trichloroethane and unsym-tetrachloroethane.

REFERENCES:
patent: 3232889 (1966-02-01), Bellis
patent: 3267160 (1966-08-01), McGrewy et al.
patent: 3468968 (1969-09-01), Baker et al.
patent: 3709950 (1973-01-01), Baker et al.
patent: 3926847 (1975-12-01), Beard et al.
patent: 4123467 (1978-10-01), Campbell et al.

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