Process for purifying acrylamides

Details Process for purifying acrylamides Process for purifying acrylamides

1974-04-29

1976-03-30

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260561R, C07C10308

Patent

active

039475182

ABSTRACT:
Process for purifying an acrylamide including the steps of (1) adding an inorganic base (excluding ammonia) to an aqueous solution containing 15 to 60% by weight of the acrylamide at a temperature of up to 60.degree.C in an amount of 0.1 to 1.5 wt. % based on the acrylamide and (2) blowing a gas, inert to the acrylamide, into the resulting mixture at a hydrogen ion concentration of a pH of 12 to 13.7 and if necessary, (3) subjecting the so treated acrylamide solution to an active carbon adsorption treatment.

REFERENCES:
patent: 3023242 (1962-02-01), Bornemann et al.
patent: 3527803 (1970-09-01), Bruschtein
Chem. Abs., 60, 4014h (1964) -- (Abstract of Japanese Pat. 13,360/63).
Chem. Abs., 79, 67046 (1973) -- (Abstract of Ger. Offen. 2,259,796).

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