Containerized Compact Mbr Small Industrial Package Packaged Wastewater Treatment Plant Municipal Sewage Treatment Equipment

Containerized compact mbr small industrial package packaged wastewater treatment plant municipal sewage treatment equipment

Product Description

Moving-Bed Biofilm Reactor (MBBR) is another innovative biofilm reactor that has been paid much attention by researchers in recent years. It is developed by the complicated operation of fluidizing the carrier, clogging the submerged biological filter, cleaning the filter material and replacing the aerator.
The basic design idea of ​​MBBR is to be able to operate continuously, without clogging, without backwashing, with small head loss and large specific surface area. This can be achieved by growing biofilms on smaller support units that move freely with the water
flow in the reactor. In aerobic reactors, the carrier is moved by aeration; in anoxic/anaerobic reactors, the carrier is moved by mechanical stirring. In order to prevent the loss of packing in the reactor, a porous filter can be installed at the outlet of the reactor (Figure 1). MBBR is generally a cuboid or cylindrical structure. The cuboid-shaped reactor is evenly divided into several grids or no grids along the length direction of the tank with a partition. Overall, the water flow in the reactor is in a plug flow state, and in each cell, the water flow is in a fully mixed state due to aeration fluidization. The tank is filled with polyethylene or polypropylene suspended fillers with a specific gravity close to water and a large specific surface area. The
biofilm attachment surface in the reactor can reach 500m2/m3, and the actual specific surface area (the inner surface of the filler) can reach 350m2/m3. The perforated aeration tube aerates on one side, so that the filler circulates in the pool.

Advantages

* Special design of surface, stronger bio-film growth capacity;

* Large specific surface area, high voidage, the more periphyton biomass:

* Unique design of structure and shape according to hydromechanics, strong three-dimensional flow dynamics in the water;

* Adding hydrophilic groups and other trace elements, the biofilm formation time only 3-15 days;

* Excellent impact strength, strong gas shear capacity:

* Without any holder, easy to cure, save energy and space.

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