Recovery of glycerine from saline waters

Details Recovery of glycerine from saline waters Recovery of glycerine from saline waters

C - Chemistry, Metallurgy

02

F

204/98.03

C02F 1/46 (2006.01) C07C 29/76 (2006.01)

Patent

CA 1249239

A B S T R A C T RECOVERY OF GLYCERINE FROM SALINE WATERS A process for recovery of glycerine from saline waters containing glycerine. The said process comprises the steps of evaporating the water to precipitate a major amount of any salts present, separating the liquid phase and diluting it with water to low viscosity, electrodialysing the diluted liquid phase to obtain, (1) a concentrate stream which is recycled to the evaporative step, and (2) a dilute stream which is subjected to fractionation distillation to obtain glycerine as an overhead fraction.

484239

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