Moving bed bio-reactor (MBBR) system is a biological treatment system consisting of aerobic bio-reactor (aeration tank) followed by secondary clarifier along with return sludge system. Aerobic bio-reactor in moving bed bio-reactor system employs both attached growth type and suspended growth type micro-organisms for removal of organic matter by microbial activity and hence floating type media provided in the contents of aerobic bio-reactor to enable attached growth type micro-organisms to grow on it’s surface.
Screened, equalized and de-oiled sewage first enters the Aerobic Bio-Reactor which is be the first unit of the biological treatment system. The biological treatment system will comprises of hybrid type MBBR based Aerobic Bioreactor with floating type of media utilizing attached growth type of micro-organisms grown on floating media and suspended. The Aeration tank will be followed by hopper bottom secondary clarifier for removal of organic matter aerobically. The equalized sewage will be taken to the aeration tank which will be the first unit of aerobic biological treatment system. In the aeration tank, organic matter present in the equalized sewage will be destroyed with the help of the microorganisms in presence of oxygen.
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