Engineering Application and Development Prospect for MBBR i Kina

Apparently, MBBR is adding a suspended carrier to the reactor as a carrier for the growth of microorganisms to enhance the effect of biochemical treatment. The operation mode is similar to the activated sludge method. It is divided into pure membrane MBBR and mud membrane composite MBBR, both of which can reach the technical limit. Processing Effects (LOT). A typical MBBR process system includes suspended carrier, intercepting screen, fluidization system (aeration, stirring and pushing flow, etc.), and the entire system is optimized to realize the fluidization and interception of fillers. Typical domestic MBBR engineering applications have the characteristics of enhanced denitrification and phosphorus removal, high load and land occupation, strong shock load resistance, low temperature tolerance and other extreme water quality, sustainable upgrading, low investment, and low operating costs. MBBR adopts inlaid transformation, flexible aeration method, short project implementation period, convenient operation and management, and is widely used in municipal and industrial wastewater treatment, and its application is not limited by scale. The suspended carrier biofilm has the function of biological selection, and hydraulic shearing and DO are closely related to the changes of microbial biomass and colony; the mud film composite MBBR process overcomes the contradiction of the traditional activated sludge method for denitrification and phosphorus removal to a certain extent. The limitation of the ratio of aerobic and non-aerobic tank capacity in the traditional activated sludge process is solved. MBBR transformation has formed a number of technical routes, and choose the most reasonable method according to the specific situation to strengthen biological nitrogen and phosphorus removal. MBBR's various pool types, including circulating flow pool type, micro-dynamic mixing pool type, and complete mixing pool type, can meet the needs of most projects. The microbial selectivity and process mosaic characteristics of MBBR make MBBR a carrier and engineering platform for new technologies, with broad application prospects.

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