Purification of 1,4-butanediol

Details Purification of 1,4-butanediol Purification of 1,4-butanediol

B - Operations, Transporting

01

D

202/31

B01D 3/10 (2006.01)

Patent

CA 1040130

ABSTRACT OF THE DISCLOSURE Substantially pure 1,4-butanediol is recovered as a side stream with very low water content by vacuum dis- tillation with water and low boiling impurities taken off overhead and high boiling organic tars and inorganic salts taken off in a liquid bottoms stream. - 1 -

212365

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