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What is the role of MBR flat membrane?
Release time:
2023-05-11
What is the role of MBR flat membrane? The functions of MBR flat membrane are as follows: Sewage treatment: China is a water-scarce country, and sewage treatment and reuse are effective measures for the development and utilization of water resources. Sewage reuse refers to urban sewage, industrial sewage treated by membrane bioreactor and other equipment for greening, washing, replenishing ornamental water bodies and other non-drinking purposes.
What is the role of MBR flat membrane?
The functions of MBR flat membrane are as follows: Sewage treatment: China is a water-scarce country, and sewage treatment and reuse are effective measures for the development and utilization of water resources. Sewage reuse refers to urban sewage and industrial sewage treated by membrane bioreactor and other equipment for greening, washing, replenishing ornamental water bodies and other non-drinking purposes, as well as for drinking water with high water quality requirements. Urban sewage and industrial sewage can be obtained nearby, which can avoid long-distance water transportation and realize nearby treatment to realize full utilization of water resources. However, through nearby treatment, sewage can also prevent sewage leakage and groundwater pollution during long-distance transportation. Wastewater reuse is considered to be a practical wastewater treatment technology in the 21st century and has been widely used in many water-scarce areas in the world.
2. Comparison of inlet and outlet water quality:
Design Inlet Water Quality of General Urban Sewage: BOD5<300 mg/ L; codcr <500 mg/ L; SS < 300 mg/ L; SN <45 mg/ L
Outlet water quality: BOD5<10mg/ L; NH4-n <10.0 mg/l;CODcr < 30 mg/l; turbidity <5ntu; total number of Escherichia coli less than 1000 /L.
Application Field of MBR Flat Membrane
organic wastewater treatment
All kinds of beverage factory, winery, food factory, animal husbandry factory, slaughterhouse, dyeing and finishing factory, leather factory, pulp mill, pharmaceutical factory, high concentration organic sewage treatment plant
Process Improvement of Old Sewage Plant
Pre-treatment of reverse osmosis system
sewage reuse
Large urban sewage treatment reuse, community domestic water reuse, department stores, office buildings water reuse,
Hotel or scenic spot wastewater treatment and reuse
Surface water purification treatment
Recycling and Utilization of Ship Sewage in Car Washing Plant
Direct water filtration, completely replace the sand filter. Operation saves manpower, backwashing speed is super fast, no backwashing water appears.... The reduced SS is guaranteed to fall below 10, but tends to approach 0
Replace the traditionalRO pretreatment. Pretreatment is manufactured instead of pure water.
Groundwater sand filtration
AdoptMBR construction method, no sedimentation tank, sludge thickening tank, sand filtration and other land saving. COD and BOD removal effect is remarkable. Especially for BOD removal rate super significant, lower than 20 is the normal value
MBR process combined with A/O and A2/O process can greatly reduce nitrogen and phosphorus, which is suitable for water quality and water source protection areas.
MBR flat membrane bioreactor technology is more and more accepted by people. The clogging of MBR flat membrane process is the key to hinder the development of related systems. The quality of MBR flat membrane components is one of the conditions to ensure the long-term stable operation of MBR flat membrane separation process. The MBR filament is fully conditioned to ensure that the cleaning method will not damage it. Online cleaning has strong anti-pollution ability, and a more suitable cleaning method can be designed according to the conditions.
The number and length of filaments in the MBR flat membrane bioreactor are calculated by the flux resistance, which is not variable. The overall increase in the number of membrane bioreactor (MBR) filaments will increase the normal speed of sludge adhesion to the membrane surface, resulting in greater resistance between membrane bioreactor filaments and loss of the effect of online air washing on the surface, thereby increasing the length of membrane bioreactor filaments. Because the inner hole of the MBR filament is small, in actual operation, the middle part of the MBR filament will be much smaller than the negative pressure on both sides of the MBR filament. Therefore, the two sides of the MBR filament will be blocked quickly, thereby increasing The length of the MBR filament, the blockage of the entire MBR diaphragm will lead to the direct use of the MBR diaphragm assembly, which can be cleaned correctly.
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