Method for the purification of monochlorobenzene

Distillation: processes – separatory – With chemical reaction – Including step of adding catalyst or reacting material

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260650R, B01D 334, C07C 2506

Patent

active

040778509

ABSTRACT:
A method for the purification of monochlorobenzene contaminated with partly chlorinated aliphatic compounds comprises (a) selectively photochlorinating the contaminated monochlorobenzene to convert the partly chlorinated aliphatic compounds to substantially fully chlorinated aliphatic compounds and (b) separating the monochlorobenzene from the more fully chlorinated aliphatic compounds by distillation.

REFERENCES:
patent: 1741305 (1929-12-01), Jaeger
patent: 2707197 (1955-04-01), Souillard
patent: 3076043 (1963-01-01), Dehn

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