B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
202/76
B01D 3/14 (2006.01) C07C 17/383 (2006.01)
Patent
CA 1052726
PURIFICATION OF VINYL CHLORIDE Abstract of the Disclosure Vinyl chloride is separated from vinyl chloride feed which contains methyl chloride and at least one C4 hydrocarbon. The feed is fractionally distilled in a first fractional distillation column to recover methyl chloride and vinyl chloride as overhead. The methyl chloride-vinyl chloride overhead is fractionally distilled in a second column to recover vinyl chloride as bottoms product. Monomer grade vinyl chloride in the order of 99.99% may be re- covered. -i-
218187
Long Raymond H.
Unger Harold
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