Process for separation of alkyl phenols by azeotropic distillati

Details Process for separation of alkyl phenols by azeotropic distillati Process for separation of alkyl phenols by azeotropic distillati

1981-02-03

1982-09-14

Sever, Frank

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

568750, B01D 340

Patent

active

043494196

ABSTRACT:
In a process for separating at least two alkyl phenols having close boiling points by azeotropic distillation of a mixture composed of the alkyl phenols with a hydrocarbon azeotroping agent, the improvement wherein said hydrocarbon azeotroping agent is selected from saturated aliphatic hydrocarbons of 9 to 13 carbon atoms having a boiling point of 150.degree. to 190.degree. C. at 760 mmHg.

REFERENCES:
patent: 3337424 (1967-08-01), Neuworth et al.

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