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PROCESS FOR ISOLATING ACRYLIC ACID FROM AQUEOUS CRUDE ACID BY EXTRACTION WITH AN ESTER,WATER WASHING AND AZEOTROPIC DISTILLATION OF THE WASHED EXTRACT
PROCESS FOR ISOLATING ACRYLIC ACID FROM AQUEOUS CRUDE ACID BY EXTRACTION WITH AN ESTER,WATER WASHING AND AZEOTROPIC DISTILLATION OF THE WASHED EXTRACT