News
28
2022
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10
MBR flat membrane in sewage treatment plant to achieve water reuse
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Due to the advantages of good water quality, stable operation, less residual sludge and small air volume, MBR flat membrane water is widely used in the field of water reuse in sewage disposal. At present, MBR flat membrane is mainly used for water reuse in domestic sewage and urban sewage disposal.
Municipal sewage disposal plants usually dispose of domestic sewage. In order to solve the shortage of water resources, reduce the operating cost of sewage treatment plant, and deal with the contradiction between supply and demand of urban water, integrated domestic sewage treatment equipment came into being. The integrated domestic sewage disposal equipment adopts MBR instead of the traditional secondary sedimentation tank, and adopts MBR flat membrane separation technology to stop sewage disposal. The effluent disposal efficiency is high, the filtration precision is high, and the discharge specification can be reached.
Sewage disposal MBR flat membrane for organic and inorganic particles with interception performance. After sewage disposal, the microporous structure on the surface of the MBR flat membrane selectively separates the substance, which can remove a large number of bacteria, colloids and high molecular substances in the sewage. The removal rate of suspended solids can reach 100%, and the effluent quality is better than that of miscellaneous water re application specification.
Compared with hollow fiber membrane, MBR flat membrane has the characteristics of continuous silk and not easy to damage, which reduces the user's operating cost and makes the system operation more stable. At present, the sewage treatment plant that has been built for many years has initially adopted the process of biochemical and disinfection phase separation. In recent years, many new and traditional disposal plants have stopped the process modification to make the water more stable by means of biochemical separation from MBR flat membrane components.
Traditional sewage disposal methods commonly used activated sludge method, but the defects are also obvious: root equipment cost and operating cost is high, high energy consumption, complex management, sludge easy to shrink, process equipment does not fit the low cost request. In recent years, the development of membrane technology has affected many areas, especially the wastewater treatment process.
MBR flat membrane has the characteristics of good water quality, low mud production, small air volume, simple operation and convenient management. It is the organic separation of membrane separation technology and biological disposal technology. The control of membrane fouling is one of the key elements of the efficiency of the resolution system. MBR flat membrane with excellent anti-fouling performance and long service life gradually improved.
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