Preparation process of (meth)acrylamide

Details Preparation process of (meth)acrylamide Preparation process of (meth)acrylamide

C - Chemistry, Metallurgy

07

C

260/554.2

C07C 231/06 (2006.01) C07C 233/09 (2006.01)

Patent

CA 1298311

ABSTRACT A catalyst useful in the practice of a process, in which (meth)acrylamide is prepared through the hydration reaction between (meth)acrylonitrile and water in a suspended liquid-phase bed of a Raney copper catalyst, has been obtained by leaching a Raney copper alloy in the presence of the Raney copper catalyst which has been deteriorated. The above useful catalyst has higher performances, compared with a catalyst obtained by conventionally leaching the Raney copper alloy alone, has satisfactory handling properties in settling and filtering, and can significantly reduced the amount of catalyst to be discarded.

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