CONTROL OF EXTRACTION COLUMN Russian patent published in 2020 - IPC B01D3/40 B01D3/42 C07C253/34 C07C255/08 

Abstract RU 2720939 C2

FIELD: chemical or physical processes.

SUBSTANCE: invention relates to a method of separating acrylonitrile from a mixture of acrylonitrile and acetonitrile. Method of operating an extraction column for separating acrylonitrile from a mixture of acrylonitrile and acetonitrile, in which a temperature of about 100 to about 105 °C is provided °on the control tray in the extraction column before feeding the initial stream into the extraction column, where the control plate is located in the middle section of the extraction column.

EFFECT: technical result is high efficiency of the process of separating a mixture of acrylonitrile and acetonitrile and output of acrylonitrile.

11 cl, 4 dwg

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RU 2 720 939 C2

Authors

Mcdonel, Timothy Robert

Couch, Jay Robert

Wachtendorf, Paul Trigg

Dates

2020-05-14Published

2016-11-29Filed