Title:
アクリロニトリル／アセトニトリル混合物の精製のための回収カラム
Document Type and Number:
Japanese Patent JP6850295
Kind Code:
B2
Abstract:
A process for separating acrylonitrile from a mixture of acrylonitrile and acetonitrile includes providing a mixture of acrylonitrile and acetonitrile to a recovery column; contacting the mixture of acrylonitrile and acetonitrile with aqueous solvent to provide an acrylonitrile-water azeotrope; and separating the acrylonitrile-water azeotrope from the acetonitrile to provide an overhead stream that includes the acrylonitrile-water azeotrope and about 0.05 weight percent or less acetonitrile, a bottoms stream that includes about 0 to about 0.0075 weight percent acetonitrile, and a sidestream that includes about 5 to about 70 weight % acetonitrile.
Inventors:
McDonnell Timothy Robert
Couch Jay Robert
Wachtendorf Paul Trigg
Couch Jay Robert
Wachtendorf Paul Trigg
Application Number:
JP2018531187A
Publication Date:
March 31, 2021
Filing Date:
November 30, 2016
Export Citation:
Assignee:
Ineos Europe Akchen Gezel Shaft
International Classes:
C07C253/34; B01D3/14; B01D3/42; C07C255/08
Domestic Patent References:
| JP2010241742A |
Foreign References:
| US3445347 |
Attorney, Agent or Firm:
Shinichiro Tanaka
Disciple Maru Ken
▲吉▼田 和彦
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Yasushi Sasaki
Disciple Maru Ken
▲吉▼田 和彦
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Yasushi Sasaki