Waste minimization and product recovery process

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitriles

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558435, C07C25300, C07C25500

Patent

active

058409556

ABSTRACT:
A process for the enhanced recovery of hydrogen cyanide (HCN) obtained from the reactor effluent of an ammoxidation reaction of propylene or isobutylene comprising passing the reactor effluent through a quench column, an absorber column, a first distillation column, a second distillation column, a cooler and a knock-out pot, wherein the improvement comprises contacting the vapor phase containing hydrogen cyanide with an aqueous stream.

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