Process for distillation and recovery of olefinic nitriles

Details Process for distillation and recovery of olefinic nitriles Process for distillation and recovery of olefinic nitriles

1973-02-09

1976-02-03

Yudkoff, Norman

Distillation: processes, separatory

Plural distillations performed on same material

One a distillation under positive pressure or vacuum

203 42, 203DIG3, 2604659, 203 38, 203 34, B01D 300, B01D 310

Patent

active

039363600

ABSTRACT:
Substantial capital and operating cost savings and improved recovery of acrylonitrile and methacrylonitrile are realized by the recycle of the product column bottoms to the quench liquid of the reactor effluent quench system.

REFERENCES:
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patent: 3247237 (1966-04-01), Hagemeyer et al.
patent: 3328266 (1967-06-01), Modiano et al.
patent: 3328268 (1967-06-01), Barrel
patent: 3329582 (1967-04-01), Sennewald et al.
patent: 3352764 (1967-11-01), Tyler
patent: 3462477 (1970-12-01), Caporali et al.
patent: 3535849 (1970-10-01), Hausweiller et al.
patent: 3636067 (1972-01-01), Lovett et al.
patent: 3636068 (1972-01-01), Lovett et al.

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