Process for treating wastewater containing phenol, ammonia, and

Details Process for treating wastewater containing phenol, ammonia, and Process for treating wastewater containing phenol, ammonia, and

1995-08-16

1996-09-03

McCarthy, Neil

Liquid purification or separation

Processes

Chemical treatment

210908, 210909, C02F 172

Patent

active

055520634

ABSTRACT:
The catalytic oxidation of offensive substances, such as cyanides, sulfides, sulfites, thiosulfates, mercaptans, disulfides, phenol, cresol, ammonia and mixtures thereof, contained in wastewater. The process involves contacting the wastewater with a source of oxygen over a catalyst comprising a combination of a Group VIII and a Group VIA metal or metal compound on a support that is inert in the hydrothermal conditions of the wastewater treatment. An example of the catalytic support is activated carbon and examples of the metal combinations include NiMo, NiW, and CoMo.

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