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Decentralized Wastewater Treatment System for Rural Area --Composite Biofilter (CBF) and Hybrid Growth Membrane Bioreactor (HG-MBR)
Source:, Number of views: Second, Date of publication:2021-01-28

Project unit:College of Environment and Plant Protection, Hainan University, P. R. China

  • Project country:CHINA
  • Industry classification:Agriculture

the CBF combines a plant bed (the up ) and a biofilm bed (the down ) processes as a biofilter for wastewater treatment. Wastewater flows vertically pass through the system. The plant bed functions as an adsorption and filter , while the biofilm bed functions as a degradation for pollutants removal, and recirculating between them. This solves the problem caused by the fluctuation of the water quality and quantity in rural area.  The system is stable and effective, even for N and P removal. The effluent can be reused for garden irrigation or agriculture reuse.

The HG-MBR combines the suspended- and attached- growth processes with membrane separation technology for efficient wastewater treatment. It is stable, compact, modularized and easy to be automatically controlled with low membrane fouling and high quality of effluent for multi- reuse purposes

 suitable for on site wastewater treatment in rural area for effluent reuse purposes.