Energy efficient recovery of acrylonitrile

Details Energy efficient recovery of acrylonitrile Energy efficient recovery of acrylonitrile

1978-12-04

1980-12-09

Yudkoff, Norman

Distillation: processes, separatory

Plural distillations performed on same material

Distillation of initial distillate

203DIG3, 203 96, 2604659, B01D 340

Patent

active

042382955

ABSTRACT:
Substantial operating cost savings are realized in the recovery of acrylonitrile from an aqueous solution containing acrylonitrile by using the recovery column bottoms stream to provide heat to one or more distillation columns in the process.

REFERENCES:
patent: 3073753 (1963-01-01), Hadley et al.
patent: 3328266 (1967-06-01), Modiano et al.
patent: 3462477 (1969-08-01), Caporali et al.
patent: 3936360 (1976-02-01), Wu

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