Multi-stage systems for waste water oxidation

Details Multi-stage systems for waste water oxidation Multi-stage systems for waste water oxidation

1978-07-13

1980-06-03

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 14, C02C 106

Patent

active

042060478

ABSTRACT:
Methods of the activated sludge type for treating sewage utilizing specific mixing regimes and oxygen demand rates. The systems are particularly advantageous in utilization of relatively pure oxygen in a final stage treatment zone, and in which no more than 10% of the total oxygen requirement for all zones is required for high purity oxygen.

REFERENCES:
patent: 3547812 (1970-12-01), McWhirter
patent: 3547815 (1970-12-01), McWhirter
patent: 3725258 (1973-04-01), Spector et al.
patent: 3864246 (1975-02-01), Casey et al.
patent: 4081386 (1978-03-01), Block et al.

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