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MBR membrane bioreactor

MBR membrane bioreactor

Country/Region china
Company ddrxhb company
Categories Fiber Separator Machine
Update 2017-04-12 16:33:16
ICP License Issued by the Chinese Ministry
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MBR membrane bioreactor

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  • category:Integrated sewage treatment equipment

  • clicks:107
  • pubdate:2016/08/01
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details

First, equipment overview

MBR membrane bioreactor (bioreactor MBR, Membrane) is a biological reaction system which integrates the membrane separation technology and the biological degradation of the bioreactor. The two settling tank of the traditional activated sludge process is replaced by the submerged membrane module. The system has the characteristics of strong processing ability, high efficiency of solid-liquid separation, good effluent quality, small occupation space, simple operation and so on.

Due to the membrane filtration, the microorganism was completely trapped in the bioreactor, and the hydraulic retention time was completely separated from the activated sludge sludge, which eliminated the problem of sludge expansion in the traditional activated sludge process. MBR has the advantages of high pollutant removal efficiency, strong nitrification capacity, stable effluent quality, low excess sludge production, compact equipment, simple operation and so on.

After denitrification and denitrification in anoxic tank, the sewage enters the membrane biological reaction tank. The sewage from the sewage through the membrane pool can realize the denitrification effect, and the aerobic microorganism can decompose the organic matter through the endogenous respiration, and the purpose of reducing the COD is achieved.

Submerged installation of MBR in the membrane biological reaction tank of flat membrane device to filter the slurry to further remove the SS, oil, E. coli, etc.. The membrane bioreactor has stable operation, long cleaning cycle, low energy consumption, no need of adding coagulant, coagulant aid and other chemical agents, and the running cost is reduced.

The sludge concentration in the membrane bioreactor is high, the impact resistance is good, the area is small, and the water quality is good.

Two, equipment picture

Three, working principle

Membrane bioreactor (MBR) technology is a new wastewater treatment technology which combines membrane separation technology and biological technology. It will be the biochemical reaction pool and large molecular organic matter trap using membrane separation equipment, save two clarifier. The concentration of activated sludge was greatly improved, the hydraulic retention time (HRT) and sludge residence time (SRT) could be controlled separately, and the refractory substances in the reactor could be continuously reacted and degraded.

Therefore, the membrane bioreactor (MBR) technology has greatly enhanced the function of the bioreactor through the membrane separation technology. Compared with the traditional biological treatment method, it is one of the most promising new technologies for wastewater treatment.

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