Inclined plate separate film biological reactor

A membrane bioreactor, a separate technology, applied in sustainable biological treatment, osmotic/dialysis water/sewage treatment, aerobic process treatment, etc. and other problems, to achieve the effect of convenient management and operation, reducing operating costs and increasing sludge load

Inactive Publication Date: 2008-07-09
SHANGHAI UNIV
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Problems solved by technology

In the split bioreactor (RMBR), the mixed liquid in the bioreactor is pressurized by the pump and then enters the membrane module. Under the pressure, the membrane filtrate becomes the effluent of the system, and the activated sludge and macromolecular substances are intercepted by the membrane. , and return to the bioreactor with the concentrate. The characteristics of the split MBR are: stable and reliable operation, easy operation and management, easy to clean, replace and add membranes. But the split membrane bioreactor needs circulation pumps and circulation pipes In order to reduce the deposition of pollutants on the membrane surface, the flow rate of the mixed liquid provided by the circulation pump is high, so the power consumption is relatively large, and the long circulation pipeline is easy to cause pipeline blockage, and the capital investment is large

Method used

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  • Inclined plate separate film biological reactor

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Embodiment Construction

[0023] Referring to Fig. 1, a preferred embodiment of the present invention is described as follows in conjunction with accompanying drawing: sewage enters biological contact oxidation zone (A) through water inlet pipe (5), and the inner chamber of biological contact oxidation zone is equipped with suspended filler or suspended filler; The aeration of the aeration tube in the oxidation zone provides the oxygen required for the biological reaction while increasing the hydraulic power, so that the sewage is fully mixed; the sewage enters the membrane separation zone (B) through the sloping plate (2), and part of the sludge settles under the barrier effect of the sloping plate Return to the biological contact oxidation zone (A), so that the biomass of the sewage in the membrane separation zone (B) is lower than the biomass of the sewage in the biological contact oxidation zone (A); the aeration of the aeration head (22) in the membrane separation zone Under the action, the sewage ...

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Abstract

The invention relates to a sloping-plate-independent membrane bioreactor, which comprises a biological contact oxidation region and a membrane separation region, wherein the two regions are separated by a plurality of sloping plates which are arrayed homogeneously and vertically and are placed horizontally and vertically, the top portion of the first sloping plate of the sloping plates is inundated in sewage, active porosity is left between the lowest sloping plate body and a baseboard of the membrane separation region, thereby achieving the hydraulic circulation between the membrane separation region and the biological contact oxidation region. The invention is capable of achieving pumpless circulation and reducing membrane pollution level of membrane bioreactor simultaneously.

Description

Technical field: [0001] The patent of the present invention relates to the technical field of environmental protection equipment for sewage treatment, in particular to a separate membrane bioreactor. Background technique: [0002] Membrane bioreactor (Membrane Bioreactor, referred to as MBR) is a biochemical reaction system that integrates high-efficiency membrane separation technology and biodegradation of bioreactors. It uses membrane modules to replace the sedimentation tank in the traditional activated sludge process to separate mud and water, thereby treating wastewater. It has the characteristics of high solid-liquid separation rate, good effluent quality, high treatment efficiency, small footprint, and simple operation and management. [0003] According to the location of the membrane module, the membrane bioreactor can be divided into a separate membrane bioreactor and an integrated membrane bioreactor. In the split bioreactor (RMBR), the mixed liquid in the bioreac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44C02F3/08
CPCY02W10/10
Inventor 徐高田官春芬赵军秦哲王辉赵朋卫
Owner SHANGHAI UNIV
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