Process for removing ethylene and vinyl chloride from gas stream

Details Process for removing ethylene and vinyl chloride from gas stream Process for removing ethylene and vinyl chloride from gas stream

1980-10-21

1982-05-11

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

423488, 570243, 570245, 570247, 570251, 570254, 570255, B01D 5336

Patent

active

043293239

ABSTRACT:
A process for removing ethylene and vinyl chloride from a gas stream containing them by passing a mixed gas containing ethylene, vinyl chloride and a necessary amount of chlorine through a fixed-bed reactor charged with as a catalyst an activated alumina supporting at least 4% by weight of ferric chloride in terms of iron, said catalyst having an outer surface area per unit packed catalyst volume of not less than 7.8 cm..sup.2 /ml. Ethylene and vinyl chloride are converted into and removed as 1,2-dichloroethane and 1,1,2-trichloroethane. The concentrations of ethylene and vinyl chloride can be decreased to not more than 10 p.p.m. and not more than 20 p.p.m., respectively.

REFERENCES:
patent: 3190931 (1965-06-01), Laine et al.
patent: 3892816 (1975-07-01), Kister
patent: 4029714 (1977-06-01), Ziegenhagen et al.

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