Nitrile process

Details Nitrile process Nitrile process

1999-09-09

2000-07-04

Richter, Johann

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

Organic compounds

Nitriles

C07C25500

Patent

active

060841214

ABSTRACT:
A process for purifying a nitrile such as acrylonitrile is disclosed. The process comprises (1) contacting a product mixture, which comprises acrylonitrile and hydrogen cyanide, with glycolic acid or a glycolic acid-generating compound to produce a glycolic acid-treated product; and (2) recovering the nitrile from the glycolic acid-treated product. The product mixture can be produced by contacting ammonia with an olefin under a condition effective to produce a nitrile and hydrogen cyanide.

REFERENCES:
patent: 3049408 (1962-08-01), Gause
patent: 3734943 (1973-05-01), Fitzgibbons et al.
patent: 3936360 (1976-02-01), Wu
patent: 4238295 (1980-12-01), Odom
patent: 4269667 (1981-05-01), Landis
patent: 4981670 (1991-01-01), Dio et al.
Masahiro Kurabayashi et al, Destabilization of Liquid Hydrogen and Stabilizer, Kogyo Kagaku Zasshi 71(7), 984-989 (1968?).

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