Anaerobic and aerobic integrated system for biotreatment of toxi

Details Anaerobic and aerobic integrated system for biotreatment of toxi Anaerobic and aerobic integrated system for biotreatment of toxi

1994-10-03

1997-02-04

Hruskoci, Peter A.

Liquid purification or separation

Processes

Treatment by living organism

210615, 210617, 210630, 210909, 210150, 2101951, C02F 330

Patent

active

055994512

ABSTRACT:
An integrated synchronous aerobic/anaerobic bioreactor is disclosed for treating waste liquids, such as pulp and paper waste water, and to methods of treating such waste liquid. The apparatus includes a bioreactor and an external aerator for injecting a controlled amount of an oxygen-containing gas into the waste liquid as it is cycled through the apparatus. An aerobic/anaerobic biofilm is provided in the reactor, having a decreasing gradient of oxygen concentration toward its core.

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patent: 5116506 (1992-05-01), Williamson et al.
patent: 5211848 (1993-05-01), Friday et al.
Eckenfelder, Jr., Principles of Water Quality Management, 1980, pp. 374-375 .

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