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    FMBR is a break through technology of utility of future


    FMBR Overview


    The facultative membrane bioreactor (FMBR) is a biological wastewater treatment process that removes carbon, nitrogen and phosphorus simultaneously in a single reactor. It encourages a natural microbial competition, maximizes activity of the mixed biomass consortium, saves energy, and meets nutrient discharge limits with simple controls. It is a breakthrough technology for the utility of the future that enables simultaneous removal of C, N, and P, reduces operating costs with less carbon emission, and requires only very low periodic biosludge wasting. It also provides a benefit of emerging contaminant removal. FMBR is a cost effective and reliable system that has been developed by Jiangxi JDL Environmental Protection Co., Ltd.  It has been used in practice and improved over the past 10 years.

     

    Its applications include domestic sewage, industrial wastewater and brewery wastewater. The longer the FMBR operates, the better performance it achieves because microbial activities have been cultivated and acclimated in a low DO environment. The most important feature is the simple process control. Most small plants are unattended. A mobile service station can take care of a plant's routine maintenance. 


    Principle of FMBR


    Cell decay is the main mechanism of organic sludge reduction. Due to the large biomass concentration, long SRT and low DO conditions, the diverse nitrifiers, novel ammonia oxidizing organisms (including AOA, Anammox), PAOs, DPAOs and denitrifiers can coexist in the same facultative environment and compete with each other naturally to form a microbial food web and remove C, N, and P simultaneously.


    Characteristics of FMBR


    v Simultaneous removal of organic carbon, nitrogen and phosphorus

    v  Requires only very low periodic biosludge wasting 

    v  Excellent discharge quality

    v  No chemical addition for N & P removal

    v  Short construction period

    v  Small foot print 

    v  Low cost/low energy

    v  Reduce carbon emissions 

    v  Automated and unattended


    Comparison of FMBR vs BNR Process Configuration


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    FMBR Process Sketch


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    FMBR technology is a perfect solution for small, rural areas, with no collection network and lacking government funding. The FMBR system enables low income communities to build a WWTP on site. The system is affordable, economical and stable with its automatic/unattended feature. The decentralized mode has the following advantages

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    1. Savings of 60% of capital investment on sewage collection pipelines.

    2. Excellent effluent quality can be reused for multiple purpose, such as agriculture, landscaping and recreation. It also can be used as a water resource for direct or indirect portable reuse with advanced oxidation treatment.

    3. Very low periodic biosludge wasting... for future sustainable designs and environmental protection.