Biodegradation process for treating organic wastewater

Details Biodegradation process for treating organic wastewater Biodegradation process for treating organic wastewater

C - Chemistry, Metallurgy

02

F

C02F 3/00 (2006.01) C02F 1/52 (2006.01) C02F 3/12 (2006.01) C02F 3/34 (2006.01) C02F 11/02 (2006.01) C12N 1/20 (2006.01) C12N 1/38 (2006.01)

Patent

CA 2138233

A low concentration (0.1 to 0.5 mM) of aluminum ions is added to an organic wastewater to selectively raise specific bacteria which can grow without producing unpleasant odors. The bacteria is used for treating the organic wastewater of high density without producing odors thus contributing to the minimum size of a wastewater treatment system. Then, increase of the aluminum ions to a high concentration (more than 4 mM) accelerates flocculation and precipitation of the bacteria for disposal. When a proper mineral is added two the wastewater, a lower concentration (more than 1 mM) of the aluminum ions can encourage the flocculation and precipitation of the bacteria and also, a resultant sludge will be reduced in amount for ease of maintenance.

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