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Membrane aerated biofilm reactor (MABR)

Membrane aerated biofilm reactor (MABR)

The MABR membrane aerated bioreactor has high-efficiency oxygen permeation and transmission performance .When aeration and oxygen supply ,oxygen enters the hydrophobic mesoporous substrate for transmission,and oxygen molecules can be directly grown on the surface of the composite membrane with excellent hydrophilicity and microbial affinity.Microbial utilization, oxygen does not need to pass through the liquid phase boundary layer, which is beneficial to the increase of the oxygen supply rate and the utilization of oxygen by the surface microorganisms. The oxygen utilization rate can theoretically reach 100%. The MABR membrane material with efficient oxygen permeation and transmission has excellent oxygen permeation and transmission performance and supply-hydrophobic properties, which can ensure efficient oxygen permeation and transmission ,and can prevent water wetting and leakage .




Membrane Material Reinforced composite material
Hydrophobic Hydrophobic and Oxygen Selective permeability
Pore Size(μm) Dense and non-porous
ID/OD(mm) 0.7/1.3mm or 1.0/2.0mm
Fiber Tensile strength (N) ≥150N
Oxygen transfer rate(OTR) 8~22 gO2/m2.d
Water Penetration Pressure ≥500Kpa
Operating Feed Pressure 5~100Kpa


Product features and advantages

  • High oxygen transfer efficiency ,no bubble oxygen,75% energy saving
  • Low sludge yield,50% surplus sludge reduced.
  • Simultaneous nitrification and denitrification ,high density anoxic&oxic microbes/bacterials at the same reactor,rasenergy&carbon dosing saving.
  • Modular design, easy for installation and maintenance .
  • Small foot print ,fixed in existing tank ,no need additional reaction tank .
  • No bubble operation, No bad smell , No foaming.
  • Long life span .low maintenance cost .


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