The principle of AquaSust MBBR:
The MBBR process principle is to increase the biomass and biological species in the reactor by adding a certain amount of suspended carriers to the reactor, thereby improving the processing efficiency of the reactor. Since the density of the filler is close to that of water, it is completely mixed with water during aeration, and the environment for microbial growth is gas, liquid and solid three phases. The collision and shearing effect of the carrier in the water makes the air bubbles smaller and increases the utilization rate of oxygen. In addition, each carrier has different biological species inside and outside, with some anaerobes or facultative bacteria growing inside, and good cultivating bacteria outside, so that each carrier is a micro-reactor, so that nitrification and denitrification reactions exist at the same time. , Thereby improving the treatment effect.
The MBBR process combines the advantages of both traditional fluidized bed and biological contact oxidation method. It is a new and efficient sewage treatment method. It relies on the aeration in the aeration tank and the lifting effect of the water flow to make the carrier in a fluidized state, and then form a suspension The growing activated sludge and the attached biofilms make the moving bed biofilm use the entire reactor space, give full play to the advantages of both attached phase and suspended phase organisms, so that they can make use of their strengths and avoid weaknesses to complement each other. Different from the previous fillers, suspended fillers can come into contact with sewage frequently and many times, so they are called "moving biofilms".
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