Electrical waste water treatment system employing oxygen recover

Liquid purification or separation – Processes – Utilizing electrical or wave energy directly applied to...

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210760, 204149, C02F 178

Patent

active

047284412

ABSTRACT:
Waste water containing organic materials is first subjected to electrolysis to encourage flocculation of particles contained in the water and is thereafter introduced into an aeration tank where the contents experience aerobic action to reduce their biological oxygen demand before being discharged from the system. During electrolysis, oxygen released by the electrolytic action is captured within an accumulation space above the water level and is drawn off to a heater where it is dried before being introduced into an ozone generator. Ozone from the generator is in turn injected into the aerating tank to promote the aerobic action taking place therein.

REFERENCES:
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patent: 3856671 (1974-12-01), Lee et al.
patent: 3925176 (1975-12-01), Okert
patent: 4005014 (1977-01-01), Wikey
patent: 4009104 (1977-02-01), Behrendt et al.
patent: 4089761 (1978-05-01), Ramer
patent: 4159652 (1979-05-01), Wiest
patent: 4179347 (1979-12-01), Krause et al.

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