Process for preparing tetrahydrofuran

Details Process for preparing tetrahydrofuran Process for preparing tetrahydrofuran

C - Chemistry, Metallurgy

07

D

202/57, 260/367.

C07D 307/08 (2006.01)

Patent

CA 1099731

ABSTRACT OF THE DISCLOSURE In the process for preparing tetrahydrofuran by the dehydrocyclization of 1,4-butanediol in the presence of a non-volatile acid catalyst, wherein a vapor mixture of water and tetrahydrofuran is continuously taken out from the reaction zone and subjected to azeotropic distillation in at least two distillation columns operated under specified conditions to thereby obtain high quality tetrahydrofuran in a high yield. -1-

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