Separation of formic acid from acetic acid by azeotropic distill

Details Separation of formic acid from acetic acid by azeotropic distill Separation of formic acid from acetic acid by azeotropic distill

1993-01-29

1993-11-23

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 67, 562608, 562609, B01D 336

Patent

active

052640868

ABSTRACT:
Formic acid difficult to separate from acetic acid by conventional distillation or rectification because of the close proximity of their boiling points. Formic acid can be readily separated from acetic acid by using azeotropic distillation. Effective agents are cyclopentane and tetrachloroethylene.

REFERENCES:
patent: 1813636 (1931-07-01), Petersen et al.
patent: 3024170 (1962-03-01), Othmer et al.
patent: 3718545 (1973-02-01), Horlenko
"Azeotropic Data--III", Horsley, published by American Chemical Society, Washington, D.C., 1973, p. 66.

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