FIELD: chemical technology.
SUBSTANCE: invention relates to a method for extraction of organic material comprising hydrogen cyanide prepared in reactor flow in carrying out the ammoxidation reaction of propylene or isobutylene for preparing acrylonitrile or methacrylonitrile followed by feeding vapor flows from technological devices to the torch head part. At least one part of organic material from torch head part comprising hydrogen cyanide is fed to the extraction stage. Method provides reducing amount of acrylonitile and HCN feeding to combustion.
EFFECT: improved method for extraction.
9 cl
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|---|---|---|---|
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