Recovery of acrylonitrile or methacrylonitrile by condensation

Details Recovery of acrylonitrile or methacrylonitrile by condensation Recovery of acrylonitrile or methacrylonitrile by condensation

F - Mech Eng,Light,Heat,Weapons

25

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260/562.7

F25J 3/02 (2006.01) B01D 53/14 (2006.01) B01D 57/00 (2006.01)

Patent

CA 1049559

RECOVERY OF ACRYLONITRILE OR METHACRYLONITRILE BY CONDENSATION ABSTRACT OF THE DISCLOSURE Acrylonitrile or methacrylonitrile found in the reactor effluent of the ammoxidation reaction of propylene or isobutylene is recovered by cooling the reactor effluent to a temperature of about 40° to about 100°C. using direct contacting cooling, preferably with an aqueous stream, to obtain a gaseous stream containing acrylonitrile or methacrylonitrile and cooling the gaseous stream using indirect contact cooling to condense at least some of the acrylonitrile or methacrylonitrile from the gaseous stream.

201819

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