Non-polluting oxyhydrochlorination process

Details Non-polluting oxyhydrochlorination process Non-polluting oxyhydrochlorination process

1979-04-09

1981-03-10

Howard, Jacqueline V.

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

Organic compounds

Halogen containing

423481, C07C 2100

Patent

active

042553598

ABSTRACT:
A non-polluting oxyhydrochlorination process is provided in which the residual gaseous effluents are purified by catalytic oxidation in the presence of a catalyst comprising platinum and/or iridium deposited on a special alumina support of eta crystallographic structure and then washing the effluent before being discharged into the atmosphere.
The process of the invention is particularly applicable to a residual effluent containing essentially carbon monoxide, carbon dioxide, ethylene, 1,2-dichloroethane, and at least one chlorinated hydrocarbon from among the group consisting of chloroform, carbon tetrachloride, ethyl chloride, 1,1-dichloroethane, 1,1,1- and 1,1,]-trichloroethanes, 1,1,2,2- and 1,1,1,2- tetrachloroethanes, vinyl chloride, 1,1- and 1,2-dichloroethylenes, trichloroethylene, perchloroethylene and chloral.

REFERENCES:
patent: 2915365 (1959-12-01), Saissol
patent: 4049578 (1977-09-01), Reagan et al.
patent: 4053557 (1977-10-01), Kageyama
patent: 4169862 (1979-10-01), Eden

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