Acrylonitrile purification by extractive distillation

Details Acrylonitrile purification by extractive distillation Acrylonitrile purification by extractive distillation

1979-08-02

1981-05-26

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Plural distillations performed on same material

One a distillation under positive pressure or vacuum

203 42, 203 98, 203DIG3, 203DIG19, 2604659, B01D 340

Patent

active

042696674

ABSTRACT:
A method for purifying acrylonitrile resulting in capital and operating cost savings consists of distilling a solution of acrylonitrile and impurities in a distillation column under vacuum, and removing the purified acrylonitrile as a vaporous sidestream from the column.

REFERENCES:
patent: 2423795 (1947-07-01), Patterson
patent: 2791550 (1957-05-01), West et al.
patent: 3399120 (1968-08-01), Lovett
patent: 3445347 (1969-05-01), Borrel et al.
patent: 3530043 (1970-09-01), Horn et al.
patent: 3640852 (1972-02-01), Cupples et al.
patent: 3660248 (1972-05-01), Tsao
patent: 3852164 (1974-12-01), Chow
patent: 3862890 (1975-01-01), Presson et al.
patent: 3936360 (1976-02-01), Wu
patent: 4039428 (1977-08-01), Wei
patent: 4166008 (1979-08-01), Wu et al.

Affiliated with

Also associated with

Rating

Acrylonitrile purification by extractive distillation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Acrylonitrile purification by extractive distillation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Acrylonitrile purification by extractive distillation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-452473