Process for treating waste water

Details Process for treating waste water Process for treating waste water

1974-06-07

1976-06-01

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 7, 210 15, C02C 106

Patent

active

039607178

ABSTRACT:
A process for treatment of waste water in an enriched oxygen environment has a pretreatment stage where the waste water is stripped of nitrogen with a stripping gas having a nitrogen partial pressure less than the partial pressure of nitrogen in ambient air before treatment in the oxygen enriched environment.

REFERENCES:
patent: 3423309 (1969-01-01), Albertson
patent: 3547814 (1970-12-01), McWhirter
patent: 3579439 (1971-05-01), Meiring et al.
patent: 3660277 (1972-05-01), McWhirter et al.
patent: 3670887 (1972-06-01), McWhirter
patent: 3733264 (1973-05-01), Spector et al.
patent: 3764523 (1973-10-01), Stankewich, Jr.
Culp et al., "Advanced Wastewater Treatment," Reinhold Co. (1971), pp. 51-68, 282, 283.

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