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?MBR membrane bioreactor

  • ?MBR membrane bioreactor
    1. ?MBR membrane bioreactor
  • MS:Katherine Wong

    +86 187-6464-2379

  • TEL:+86 0536 6162866

    MAIL:sales@cntianlang.com

  • 二維碼

 MBR membrane bioreactor



Name: MBR membrane bioreactor

Details

Equipment advantages


1, small footprint


Under high volume load, the residence time is short, the MBR process is simpler than the traditional system, and the floor space is reduced to completely replace the sedimentation tank and the sand filter unit. The floor space is 30% less than the traditional method, and there is no problem of sludge sedimentation.


2. Under the filtration of high MLSS and microfiltration membrane, the effluent water quality is stable and the quality is high.


The concentration of MLSS in the reaction tank can reach above 10000mg/L, and it has strong resistance to load and impact, and effectively treats high concentration organic wastewater. Under the filtration of microfiltration membrane, the separation effect is much better than the traditional sedimentation tank and sand filtration treatment unit. The effluent water quality is stable and stable, and the suspended solids and turbidity are low. Generally, the low-pollution municipal wastewater can be directly used as the middle water channel after being treated. Use water or on-site resources to recycle water.


3, less operating costs


MBR membrane is beneficial to the retention, growth and reproduction of slow-proliferating nitrifying bacteria. The nitrification efficiency of the system is improved. The A/O reaction has the function of high-efficiency nitrogen removal. The A/O and A2O methods can effectively remove ammonia nitrogen and phosphorus. The membrane can remove most microorganisms such as bacteria, reduce the amount of disinfectant added and obtain safe water reuse.


The equipment has low energy consumption and low operating and operating costs. The biological interception is in the pool, and the operation of the long SRT high sludge age can be achieved, and the sludge volume is reduced by more than 1/2 under the biological self-solution.


4, easier operation and maintenance, lower cost


System PLC control design, can realize automatic control, easy to manage high biological sludge operation concentration; easier operation and maintenance, lower cost, backwash is automatically controlled by PLC, chemical washing process is simple, each group is implemented separately, and personnel operation management is extremely easy .


5, suitable for the transformation of old sewage treatment plants


Membrane separation greatly improves the treatment efficiency of large-scale refractory substances in sewage. Standard mobile modular design, quick and easy installation, easy to install in stages, suitable for retrofitting old sewage treatment plants, only need to add MBR membrane equipment.


6, better water quality


The water quality discharged from the original to the pressure floatation: COD=182mg/l, SS=6.5mg/l, NH4-N=0.4mg/l, NO3-N=31.4mg/l;


Water quality after MBR treatment:


COD = 165.5 mg / l, SS = 5.7 mg / l, NH4-N = 0.19 mg / l, NO3-N = 25 mg / l.


Application


1. Organic wastewater treatment


Wastewater treatment of various beverage factories, wineries, food factories, animal husbandry plants, slaughter plants, dyeing and finishing plants, leather factories, pulp mills, pharmaceutical plants, high-concentration organic treatment plants, etc.


2, the old sewage plant process improvement


3. Pre-treatment of reverse osmosis system


4, water reuse in sewage


Large-scale municipal wastewater treatment and reuse, water reuse in community life, water reuse in department stores, office buildings, wastewater treatment and reuse in restaurants or scenic areas, and recycling and reuse of sewage from ship washing plants.


5, surface water purification treatment


Features


1. High removal rate of pollutants, strong ability to resist sludge expansion, stable and reliable effluent quality, no suspended matter in effluent;


2. The membrane bioreactor realizes the separate control of the reactor sludge age STR and the hydraulic retention time HRT, so the design and operation thereof are greatly simplified;


3, the mechanical retention of the membrane to avoid the loss of microorganisms, the bioreactor can maintain a high sludge concentration, which can increase the volume load, reduce sludge load, has a strong impact resistance;


4. Because the SRT is very long, the bioreactor plays the role of “sludge nitrification tank”, which significantly reduces sludge production, low residual sludge production, and low sludge treatment costs;


5. The SRT is prolonged due to the interception of the membrane, creating a microorganism that is beneficial for slow proliferation. For example, the environment in which nitrifying bacteria grow can improve the nitrification ability of the system, and at the same time, it is beneficial to improve the treatment efficiency of the refractory macromolecular organic matter and promote its complete decomposition;


6. The activated sludge of the MBR aeration tank will not be lost with the water. During the operation, the activated sludge will change due to the change of the concentration of the organic matter entering, and achieve a dynamic balance, which makes the system effluent stable and impact resistant. Characteristics of the load;


7. The larger hydraulic circulation leads to the uniform mixing of the sewage, so that the activated sludge has good dispersibility and greatly increases the specific surface area of the activated sludge. The high dispersion of activated sludge in the MBR system is another reason for improving the effectiveness of water treatment. This is difficult to compare with the formation of larger bacterial micelles by common biochemical water treatment technology;


8. Membrane bioreactor is easy to integrate, easy to realize automatic control, convenient operation and management;


9. The MBR process omits the second settling tank and reduces the floor space.



Purchase Hotline: +86 187-6464-2379
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