Process for treating aqueous solutions containing phenols

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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568749, 568750, C07C 3768, C07C 3784

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active

044182210

ABSTRACT:
In removing a phenol from an aqueous solution containing the phenol, the phenol could be extracted quite effectively regardless of concentration of the phenol by using, as extracting solvent, a nitrogen-containing heterocyclic compound having a total carbon number of 9 or more either alone or in the state of a dilution with a water-insoluble organic solvent.

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patent: 2432063 (1947-12-01), Cislak et al.
patent: 2474028 (1949-06-01), Berger
patent: 2526807 (1950-10-01), Cislak et al.
patent: 2803375 (1957-10-01), Manka
patent: 2812305 (1957-11-01), Manka

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