Method and apparatus for controlled biological treatment of wast

Details Method and apparatus for controlled biological treatment of wast Method and apparatus for controlled biological treatment of wast

1994-06-22

1995-08-15

Hruskoci, Peter A.

Liquid purification or separation

Processes

Treatment by living organism

210615, 210622, 210 961, 210101, 210151, C02F 304

Patent

active

054416426

ABSTRACT:
A method and apparatus (1) for the control of biological treatment of waste water in which waste water is fed to a substantially air tight supported growth biological filter unit (2) that includes an exhaust gas vent (5). Dissolved oxygen is supplied to the filter unit and the oxygen consumption rate across the filter is measured by comparing the flow rate of oxygen into the filter (2) to the flow rate of oxygen exiting the filter through the gas vent (5). The feed rate of waste water is adjusted to maintain a predetermined oxygen consumption, thereby controlling the effluent quality.

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