Process for removing peroxide impurities from acrylonitrile mono

Details Process for removing peroxide impurities from acrylonitrile mono Process for removing peroxide impurities from acrylonitrile mono

1996-07-01

1997-10-07

Jordan, Charles T.

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

Organic compounds

Nitriles

C07C25500

Patent

active

H00016861

ABSTRACT:
A process is provided for removing peroxide contamination from acrylonitrile. The process includes contacting the acrylonitrile with an activated alumina adsorbent and separating the acrylonitrile product from the alumina. The contaminated acrylonitrile is contacted with the activated alumina adsorbent for a time sufficient for the peroxide contaminate to be adsorbed by the activated alumina. The activated alumina may also be used to selectively remove color promoting contaminates in an acrylonitrile product.

REFERENCES:
Confidential, internal document; Analytical procedure for determining peroxides in acrylonitrile; Robert A. Fischer, Sterling Chemicals, Inc. (Apr. 15, 1993).
Draft #7, Analytical method for determining peroxides in acrylonitrile, ASTM E-1784-96 (Oct. 1995).
Product information sheet for Selexsorb CD; Alcoa Industrial Chemicals Division (Jun. 1991).

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