Document Type and Number:
Japanese Patent JPS4862717
Kind Code:
A
Abstract:
A method for economically concentrating an acrylamide aqueous solution by catalytic hydration without substantial deterioration in the product. According to the method, an acrylamide aqueous solution obtained from catalytic hydration, is concentrated by distillation while maintaining the solution in good contact with at least 0.1 mole. or more of air per mole. of water distilled from the acrylamide aqueous solution.
Application Number:
JP9789571A
Publication Date:
September 01, 1973
Filing Date:
December 06, 1971
Export Citation:
International Classes:
C07C67/00; C07C231/00; C07C231/06; C07C231/24; C07C233/09; (IPC1-7): C07C103/12