Recovery of phenol from aqueous solution

Details Recovery of phenol from aqueous solution Recovery of phenol from aqueous solution

1986-08-29

1987-09-22

Lone, Werren B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568749, 568748, C07F 58, C07C 3768, C07C 697

Patent

active

046954104

ABSTRACT:
The disclosed process is employed to recover phenol from aqueous solutions produced by distillation of the product of a process for producing a phenyl ester by the reaction of a carboxylic acid and phenol. Purified phenyl ester is employed to extract phenol from the aqueous solution. The extract is combined with raw product for recovery of the phenol and phenyl ester. In a preferred embodiment the process for producing the phenyl ester is continuous and the extract containing phenol and phenyl ester are fed to the dewatered ester stream for product recovery.

REFERENCES:
patent: 2807654 (1955-09-01), Grimmett et al.
patent: 3772389 (1971-06-01), Lowrance
patent: 4271311 (1979-07-01), Knickmeyer
patent: 4325789 (1982-04-01), Wust et al.

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