Process for separating off phenol from a mixture thereof with a

Details Process for separating off phenol from a mixture thereof with a Process for separating off phenol from a mixture thereof with a

1980-01-31

1982-04-20

Sever, Frank

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 69, 203 70, 568749, B01D 336

Patent

active

043257895

ABSTRACT:
A process for separating phenol from a mixture of the same with cresol which comprises including in the mixture a component which has a dipole moment of 0 to 0.5 Debye and has a boiling point, under 1 bar, in the temperature range from 120.degree. to 220.degree. C. or which has a dipole moment of 0.5 to 2.5 Debyes and has a boiling point, under 1 bar, in the temperature range from 150.degree. to 190.degree. C. and distilling off phenol together with said component to leave behind said cresol.

REFERENCES:
"Azeotropic Data-III", Advances in Chemistry Series 116, pp. 318-323 & pp. 376-383, 1973.

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