Waste water treating apparatus

Details Waste water treating apparatus Waste water treating apparatus

1981-03-02

1983-03-15

Adee, John

Liquid purification or separation

Constituent mixture variation responsive

210101, 2102212, C02B 134

Patent

active

043767010

ABSTRACT:
A waste water treating apparatus comprises an inner chamber and an outer chamber disposed around the inner chamber extending to a considerable depth. The inner and outer chamber communicate with each other at the bottom portion, whereby the inner and outer chambers form a downward and upward flow chamber, respectively, for circulating waste water. The waste water that flows from the downward flow chamber to the upward flow chamber is circulated to the downward flow chamber by means of a pump. An oxygen containing gas is simultaneously supplied into the ciculating waste water. An apparatus for monitoring the concentration of oxygen or carbon dioxide in an exhaust gas is provided at an outlet of the upward flow chamber. The oxygen containing gas being supplied is controlled to a predetermined optimum flow rate in response to the monitored concentration.

REFERENCES:
patent: 3684702 (1972-08-01), Hartmann
patent: 3878094 (1975-04-01), Conley et al.
patent: 4278546 (1981-07-01), Roesler
patent: 4284510 (1981-08-01), Savard et al.

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