Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing
Patent
1997-03-14
2000-08-15
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Halogen containing
570219, 570238, C07C 1725, C07C 1738
Patent
active
061039454
ABSTRACT:
Ethylene is chlorinated in a reaction zone to form a product stream containing 1,2-dichloroethane, the latter being then thermally cracked in a cracking zone to form vinyl chloride. Light by-products formed during the thermal cracking step are chlorinated in a zone external and directly downstream of the reaction zone used for the preparation of the 1,2-dichloroethane product stream. The product stream leaving the chlorination reaction zone for the 1,2-dichloroethane are passed into said downstream zone so that the light by-products are chlorinated in the presence of said product stream.
REFERENCES:
Derwent WPI Abstract: HU 30580 T--corresp. to CA101:18 of Oct. 29, 1984.
Elf Atochem S.A.
Siegel Alan
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