Recovery of acrylonitrile or methacrylonitrile by condensation

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

1973-06-07

1980-11-18

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604659, C07C12000, C07C12014, C07C12132

Patent

active

042345103

ABSTRACT:
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.degree. to about 100.degree. 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.

REFERENCES:
patent: 3210399 (1965-10-01), Krzemicki
patent: 3459639 (1969-08-01), Borrel et al.
patent: 3462477 (1969-08-01), Caporali et al.
patent: 3636067 (1972-01-01), Lovett et al.
patent: 3636068 (1972-01-01), Lovett et al.

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