Process for purification of crude acetonitrile

Details Process for purification of crude acetonitrile Process for purification of crude acetonitrile

1981-08-03

1984-02-07

Sever, Frank

Distillation: processes, separatory

With chemical reaction

Including step of adding catalyst or reacting material

203 91, 2604651, 2604653, B01D 334

Patent

active

044301626

ABSTRACT:
Crude acetonitrile containing impurities such as hydrogen cyanide, allyl alcohol, oxazole and water is purified by a process including the steps of removing water lower part acetonitrile is treated with an alkali in an amount sufficient to extract water present in the crude acetonitrile, to be thereby divided into an organic liquid phase and an aqueous liquid phase, and the aqueous liquid phase is removed.

REFERENCES:
patent: 4119497 (1978-10-01), Ocampo et al.

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