Acrylonitrile recovery process

Details Acrylonitrile recovery process Acrylonitrile recovery process

1996-04-08

1997-12-30

Gerstl, Robert

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

Organic compounds

Nitriles

C07C25508

Patent

active

057032688

ABSTRACT:
A process for the recovery of acrylonitrile or methacrylonitrile obtained from the reactor effluent of an ammoxidation reaction of propylene or isobutylene comprising passing the reactor effluent through an absorber column and recovery column and stripper column wherein the improvement comprises increasing the recovery column top pressure by mechanical means by about 0.1 to 5 psi to improve the hydraulic capacity of the recovery and stripper columns.

REFERENCES:
patent: 3885928 (1975-05-01), Wu
patent: 4234510 (1980-11-01), Wu

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