J4 ›› 2010, Vol. 45 ›› Issue (3): 10-14.

• Articles • Previous Articles     Next Articles

Study on an aerobic self-forming dynamic membrane bioreactor for domestic wastewater treatment

 ZHAO Li-Jian, ZHAO Ting-Ting, WANG Shu-Guang*   

  1. School of Environmental Science and Engineering, Shandong University, Jinan 250100, Shandong, China
  • Received:2009-10-23 Online:2010-03-16 Published:2010-04-02

Abstract:

A self-forming dynamic membrane was introduced into anaerobic wastewater treatment for low strength municipal wastewater treatment. The feasibility and stability of the anaerobic self-forming dynamic membrane bioreactor (ASFDMBR) were investigated. The metabolic and interception ability and components of the selfforming dynamic membrane (SFDM) were also studied. The results showed that the ASFDMBR had good COD removal efficiency as high as 89.5%. SFDM had considerable metabolic ability with a COD removal efficiency of 7%, as well as good interception capacity. Sludge with a particle size range of 32μm~62μm was the major part of the SFDM. FTIR revealed that protein, polysaccharide and humic acid were the components of the SFDM.

Key words: anaerobic membrane bioreactor; self-forming dynamic membrane; domestic wastewater;   EPS; sludge layer analysis

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