Process for recovering phenol from aqueous phenolic mixtures

Details Process for recovering phenol from aqueous phenolic mixtures Process for recovering phenol from aqueous phenolic mixtures

1977-05-27

1979-07-03

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

203 51, 203 54, 203 69, C07C 3738

Patent

active

041601114

ABSTRACT:
An improved process for recovering phenol from phenol-water mixtures by distillation is provided by carrying out the distillation in a manner which avoids the normal phenol-water azeotropic limitation by introducing a ketone-hydrocarbon mixture into the upper section of a fractional distillation column used for the recovery. Mixtures of benzene or lower alkyl substituted benzene with lower ketones are employed in the process.

REFERENCES:
patent: 2286056 (1942-06-01), Brown
patent: 2322881 (1943-06-01), Pollock
patent: 2807654 (1957-09-01), Grimmett et al.
patent: 2928882 (1960-03-01), Hall
patent: 3155734 (1964-11-01), Merkel
patent: 3509028 (1970-04-01), Budd

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