Vinyl chloride process

Details Vinyl chloride process Vinyl chloride process

1971-06-15

1976-02-10

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 2102

Patent

active

039377440

ABSTRACT:
Process for producing vinyl chloride from ethane by contacting, in a first reactor, ethane and chlorine and/or hydrogen chloride, as fresh feed, and as recycle, hydrogen chloride, ethyl chloride, ethylene and unconverted ethane with a molten mixture, including cuprous chloride, cupric chloride and copper oxychloride, to produce a reaction effluent including vinyl chloride, dichloroethane, primarily 1,2-dichloroethane, and the aforementioned recycle components. The vinyl chloride is recovered as product, the recycle components are recovered and recycled to the first reactor, and the 1,2-dichloroethane is recovered and recycled to the first reactor or contacted in a second reactor with a molten mixture including cuprous and cupric chloride to dehydrochlorinate the 1,2-dichloroethane to vinyl chloride. The molten mixture from the first reactor or second reactor, if employed, is contacted in a third reactor with molecular oxygen to generate copper oxychloride and melt from the third reactor is passed to the first reactor. 1,1-dichloroethane, if produced, may be passed to the first or second reactor for dehydrochlorination to vinyl chloride.

REFERENCES:
patent: 2407828 (1946-09-01), Gorin
patent: 3291846 (1966-12-01), Otsuka et al.
patent: 3501539 (1970-03-01), Olson et al.
Sundermeyer et al., "Chemische Berichte", Vol. 95 (1962), pp. 1829-1831.

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