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Anaerobic Membrane Bioreactor

Anaerobic Membrane Bioreactor

Anaerobic membrane bioreactor (AnMBR) is a new type of water treatment technology that combines membrane separation technology with anaerobic biological treatment unit. AnMBR technology retains many advantages such as low investment in anaerobic biological treatment technology, low energy consumption, recyclable biogas energy, high load, low mud production, and impact load resistance. The introduction of membrane modules also brings a series of advantages. Such as: good biochemical effect, good and stable water quality, etc. In short, it is an economical and reliable way to reduce energy consumption, realize energy recovery, and at the same time reduce the generation of sludge, which has broad application prospects.


The AnMBR process is divided into two stages: anaerobic digestion and membrane separation. Among them, the anaerobic digestion stage is the same as the traditional anaerobic treatment process. The main difference between the membrane separation stage and aerobic membrane bioreactor is that aeration is not used to sweep the membrane surface. According to the placement position of the membrane module, it can be divided into separate type and submerged type. In AnMBR, the main factor that affects the membrane separation effect and stable operation is membrane fouling. The main factors that cause membrane fouling are water inlet conditions, operating conditions, Membrane materials, sludge characteristics, microbial metabolites, and reactor configuration, etc.


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