Method for treating waste water with a high concentration of org

Details Method for treating waste water with a high concentration of org Method for treating waste water with a high concentration of org

1998-03-03

2000-12-12

Simmons, David A.

Liquid purification or separation

Processes

Treatment by living organism

210615, 210620, C02F 330, C02F 306

Patent

active

061593729

ABSTRACT:
The method of treating waste water includes a first process step for supplying circulating filter cakes containing populating, multiply microbes and flagellates under facultative anaerobic conditions in the biological reaction tank; and a second process step for supplying filter cakes secured to the walls of the aeration tank and containing populating, multiplying microbes, protozoa and metazoa. Preferably, a plurality of ball shaped circulating, ciliary contact filter cakes are disposed in the biological reaction tank, with a plurality of elongated stationary, ciliary contact filter cakes secured to the waste water aeration tank. The circulating and elongated filter cakes provide for enhanced biological support thereby increasing the population of microorganisms and therefore the quality of the water treated.

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patent: 5718823 (1998-02-01), Tomita et al.
patent: 5985148 (1999-11-01), Liu

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