Process to make allyl chloride and reactor useful in that proces

Details Process to make allyl chloride and reactor useful in that proces Process to make allyl chloride and reactor useful in that proces

1995-05-24

1996-04-02

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 1716

Patent

active

055042660

ABSTRACT:
Allyl halide is produced in high yields and purity with minimal carbon formation using a process of: (1) initially reacting propylene and molecular halogen in a molar ratio of at least about 2.5:1 in a "continuously stirred tank reactor" (CSTR) zone under conditions suitable to provide a reaction temperature of about 400.degree. C. to 525.degree. C. to partially convert propylene and chlorine into allyl chloride; and (2) feeding an effluent from Step (1) into a plug-flow reactor zone where the reaction is continued at a temperature of about 400.degree. C. to 525.degree. C. until essentially all of the chlorine is consumed. A preferred reactor for the process contains: (1) a spherical, egg-shaped or oval reactor zone; (2) a tubular reactor zone attached to the spherical, egg-shaped or oval reactor zone; (3) one or more inlets for injecting gaseous reagents into the spherical, oval or egg-shaped reactor zone; and (4) one or more outlets from the tubular reactor zone for withdrawing a gaseous product.

REFERENCES:
patent: 2643272 (1953-06-01), Lacomble et al.
patent: 2763699 (1956-09-01), van Dijk et al.
patent: 3054831 (1962-09-01), Samples et al.
patent: 3120568 (1964-02-01), Brown
patent: 3472902 (1969-10-01), Van Dijk
patent: 3865886 (1975-02-01), Schindler et al.
patent: 4319062 (1982-03-01), Boozalis et al.
patent: 5367105 (1994-11-01), Miyazaki et al.

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