Recovery of phenol from low concentrations with sodium sulfate

Details Recovery of phenol from low concentrations with sodium sulfate Recovery of phenol from low concentrations with sodium sulfate

1993-08-04

1994-09-06

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 18, 203 27, 203 33, 203 47, 203 48, 203 50, 203 98, 203DIG25, 568749, 568759, B01D 334, C07C 3774

Patent

active

053445287

ABSTRACT:
Phenol plant waste water containing small amounts of phenol and sodium sulfate is successfully distilled through the addition of recovered sodium sulfate to enhance the volatility of the phenol relative to water; at least a portion of the sodium sulfate is recycled, while a significant portion of the phenol can be returned to the phenol plant for recovery.

REFERENCES:
patent: 1931057 (1933-10-01), Clemmensen et al.
patent: 2084419 (1937-06-01), Wallis et al.
patent: 2573244 (1951-10-01), Bogart et al.
patent: 2597497 (1952-05-01), Joris
patent: 3075015 (1963-01-01), Meyer et al.
patent: 3829509 (1974-08-01), Charles et al.
patent: 3846255 (1974-11-01), Sisk
patent: 4016049 (1977-04-01), Fozzard et al.

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