Process for the removal of m-dichlorobenzene from dichlorobenzen

Details Process for the removal of m-dichlorobenzene from dichlorobenzen Process for the removal of m-dichlorobenzene from dichlorobenzen

1986-10-16

1988-05-31

Evans, J. E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570208, 570210, 570211, C07C 1738, C07C 1712

Patent

active

047482877

ABSTRACT:
The invention relates to a process for the removal of m-dichlorobenzene from dichlorobenzene mixtures by chlorination in the liquid phase at elevated temperature in the presence of Friedel-Crafts catalysts, the chlorination being carried out with addition of sulphur, sulphur compounds, iodine and/or iodine compounds and the chlorination mixture then being worked up in the usual way.

REFERENCES:
patent: 1846727 (1932-02-01), Jaeger
patent: 3557227 (1971-01-01), Fooladi
patent: 4089909 (1978-05-01), Milam et al.
patent: 4191711 (1980-03-01), Lenthe et al.
patent: 4205014 (1980-05-01), Potts

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