Process for making acrylamide

Details Process for making acrylamide Process for making acrylamide

B - Operations, Transporting

01

J

260/554.2

B01J 25/00 (2006.01)

Patent

CA 1038885

ABSTRACT OF THE DISCLOSURE A continuous process for catalytically hydrolyzing acrylo- nitrile to acrylamide under liquid phase conditions. A concentrated, two-phase acrylonitrile/water feed is sequentially passed in a plug flow manner through at least two tubular reaction zones at a temperature of from about 100 to 300°F using a weight hourly space velocity of from about 0.1 to 10. Each zone has a fixed catalyst bed of prechosen minimum initial activity. Total system conversion of starting acrylo- nitrile to acrylamide of at least about 60% is achieved. The product concentrated aqueous solution of acrylamide may be used as such or subjected to a brief stripping operation to recover unconverted acrylo- nitrile. - 1 -

211785

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