Process for the separation of a mixture of chloroacetyl chloride

Details Process for the separation of a mixture of chloroacetyl chloride Process for the separation of a mixture of chloroacetyl chloride

1979-01-10

1981-01-20

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 78, 203 91, 260544Y, C07C 5348, B01D 340

Patent

active

042460743

ABSTRACT:
Process for the separation of a mixture of chloroacetyl chloride and dichloroacetyl chloride by extractive distillation. The mixture of chloroacetyl chloride and dichloroacetyl chloride is treated with n-dodecane, which is a saturated aliphatic hydrocarbon extraction agent. Lower levels of dichloroacetyl chloride contaminant are achieved than by prior art processes.

REFERENCES:
patent: 3763023 (1973-10-01), Horsley
patent: 3950415 (1976-04-01), Bressel
Unit Operations, Brown, (1951), pp. 393-394.
Azeotropic and Extractive Distillation, Chem. Eng. Progress, vol. 65, No. 9, Gerster, 9/69, pp. 43-46.
"Chemical Engineers Handbook", 5th Ed., pp. 13-43.

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