Separation of ethanol from isopropanol by azeotropic distillatio

Details Separation of ethanol from isopropanol by azeotropic distillatio Separation of ethanol from isopropanol by azeotropic distillatio

1994-10-18

1995-05-16

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 67, 568913, B01D 336, C07C 2982

Patent

active

054157412

ABSTRACT:
Ethanol is difficult to separate from isopropanol by conventional distillation or rectification because of the proximity of their boiling points. Ethanol can be readily separated from isopropanol by azeotropic distillation. Effective agents are acetonitrile and methylene chloride.

REFERENCES:
patent: 2483246 (1949-09-01), Stribley
patent: 3898291 (1975-08-01), Darsi et al.
patent: 4710274 (1987-12-01), Berg et al.
patent: 5338411 (1994-08-01), Berg
patent: 5348625 (1994-09-01), Berg

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