Butadiene chlorination process

Details Butadiene chlorination process Butadiene chlorination process

1977-08-09

1980-11-11

Gantz, Delbert E.

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

Organic compounds

Halogen containing

C07C 2109

Patent

active

042332524

ABSTRACT:
An improved process for the continuous chlorination in vapor phase of butadiene to a mixture of dichlorobutenes at a temperature about 90.degree.-250.degree. C., wherein chlorine is premixed with a portion of butadiene and introduced at one end of a tubular reactor, while the remainder of the butadiene, which is used in a large excess, is introduced at one or more points downstream from the point of introduction of the chlorine-butadiene mixture, the temperature and volume of this additional butadiene being sufficient to effectively cool the reacting mixture so that the maximum temperature in the reactor does not exceed about 250.degree. C. but does not fall downstream from the butadiene injection point below about 130.degree. C.

REFERENCES:
patent: 1286353 (1918-12-01), Lacy
patent: 2299477 (1942-10-01), Hearne et al.
patent: 4049729 (1977-09-01), Otto et al.

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