MBBR - Moving Bed Biofilm Reactor
With the Moving bed Bioreactor (MBBR) an economically solution is offered for wastewater treatment if the "bulk" of the pollution load must be disposed of (as means of cost reduction) or if applicable discharge regulations are not as strict.
With this application we offer advanced wastewater treatment solutions for the industrial and municipal markets. These solutions significantly increase the capacity and efficiency of existing wastewater treatment plants, while minimizing the size of new plant deployments.
This method makes it possible to attain good efficiency results of disposal with low energy consumption. This process is used for the removal of organic substances, nitrification and denitrification.
The MBBR system consists of an activated sludge aeration system where the sludge is collected on recycled plastic carriers. These carriers have an internal large surface for optimal contact water, air and bacteria.
UIHE MBBR is a highly effective biological treatment process based on a combination of conventional activated sludge process and biofilm media. The MBBR process utilizes floating High Capacity MicroOrganism BioChips media within the aeration and anoxic tanks. The microorganisms consume organic material. The media provides increased surface area for the biological microorganisms to attach and grow. The increased surface area reduces the footprint of the tanks required to treat the wastewater. The treatment process can be aerobic and/or anaerobic and operates at high volume loads.
The carrier material used inside a MBBR system
The bacteria/activated sludge grow on the internal surface of the carriers. The bacteria break down the organic matter from the waste water. The aeration system keeps the carriers with activated sludge in motion.
Only the extra amount of bacteria growth, the excess sludge will come separate from the carriers and will flow with the treated water towards the final separator.
The system can consist of a one stage or more stage system (see underneath schedule), depending on the specific demands. The specific bacteria remain in their own duty tank because of the fact that the carriers remain in only 1 tank, protected by screens.
The MBBR process can be used for a variety of different applications to attain the desired results, depending on the quality of the wastewater and the discharge regulations.
The MBBR media is a high performance MBBR carrier that provides a protected active surface area of > 5,500 m2/m3 for the immobilization of microorganisms which are in charge of the different biological water treatment processes.
This active surface area has been scientifically certified and compares to a range of 350 m2/m3 – 800 m2/m3 provided by competitive solutions. Its application is characterized by extremely high removal rates and reliable process stability. Our Media provides removal rates up to 10 times higher than conventional media carriers (in all their various forms). This is achieved through a high-quality pore system as shown under magnification to the right.
The MBBR media biofilm carrier is completely free from any phthalates or other plasticizers and does not contain bisphenol A or any other aromatic compounds. It is made of virgin polyethylene (no recycled PE), inorganic fillers, tiny amounts of monoester of glyceric acid (made from coconut fat), citric acid and soda (Na2CO3).
The manufacturing process becomes extremely important when used with applications sensitive to additional harmful chemicals such as aquaculture. Bishpenol A and phthalates have bene known to cause cancer and have hormonal effects.
The parabolic shape of the allows for a homogenous mixing of the media in the tank as well as for the active biofilm being optimally kept in the water flow. Hence, the supply of the microorganisms with substrate and oxygen is ensured at any time and at any load condition.
Moving Bed Biofilm Reactor (MBBR) processes improve reliability, simplify operation, and require less space than traditional wastewater treatment systems.
MBBR technology employs thousands of polyethylene biofilm carriers operating in mixed motion within an aerated wastewater treatment basin. Each individual biocarrier increases productivity through providing protected surface area to support the growth of heterotrophic and autotrophic bacteria within its cells. It is this high-density population of bacteria that achieves high-rate biodegradation within the system, while also offering process reliability and ease of operation.
This technology provides cost-effective treatment with minimal maintenance since MBBR processes self-maintain an optimum level of productive biofilm. Additionally, the biofilm attached to the mobile biocarriers within the system automatically responds to load fluctuations.
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United International Hydro Engineering