Azeotropic distillation process

Details Azeotropic distillation process Azeotropic distillation process

C - Chemistry, Metallurgy

07

C

C07C 63/26 (2006.01) C07C 15/08 (2006.01) C07C 51/265 (2006.01) C07C 51/46 (2006.01) C07C 67/54 (2006.01) C07C 69/14 (2006.01)

Patent

CA 2580951

A purge stream derived from an azeotropic distillation column and containing an entrainer, a hydrocarbon, and an aliphatic acid (e.g. n-propyl acetate, a xylene and acetic acid respectively) is processed using a stripping column to effect separation of the entrainer and the hydrocarbon in order that the entrainer may be recycled to the azeotropic distillation column.

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