1. INTRODUCTION TO TECHNOLOGY
MBBR stands forMoving Bed Biofilm Reactor , an artificial treatment process that uses materials for microbial sticking to grow and develop, a combination of Aerotank transmission Aerobic biological system and filter.
MBBR technology is the latest technology in the field ofwaste water treatment because of saving area and high processing efficiency. Materials for substrates must have a lighter density than water to ensure suspended conditions. These media are constantly moving throughout the tank volume thanks to air blowing devices and stirring blades. Microbiological density is increasing, processing efficiency is increasing.
Similar to traditional Aerotank , aerobic MBBR tank also needs ananoxic MBBR (Anoxic) to ensure the ability to treat nitrogen in wastewater. The volume ofthe MBBR film compared to the volume of the tank is adjusted to the appropriate ratio, usually
a. Advantages of technology
1. Durable microbiological system: microbiological substrates give biological membranes a protective environment, so the microbiological treatment system is easy to recover.
2. High microbiological density: Compared to conventional air blowing tanks, microbial density is higher in each volume unit, so the volume of treatment tanks is smaller and the treatment efficiency is higher. .
3. Specific microbial strains: different microbial groups grow between microbial membranes, which helps biofilm layers to develop in a trend that focuses on specialized organic substances.
4. Energy saving.
5. Easy to operate, easy to upgrade.
6. High load, large pollution fluctuations: the development capacity of biofilm according to the increasing load of organic matter makesMBBR tank able to operate at high load and high volatility. BOD treatment efficiency up to 90%.
7. Easy to control the system: Biofilm can be added corresponding to pollution load and wastewater flow.
8. Area saving: 30-40% reduction in tank volume compared to suspended activated sludge technology and can be combined with many other processing technologies.
b. Scope of application
Application for most types of organic polluted wastewater: Domestic wastewater, medical waste water, seafood, food processing and production, industrial wastewater, textile dyeing ...
MBBR tank has 2 types: Aerobic MBBR and anoxic MBBR (Anoxic), ensure Nitrogen treatment in wastewater.
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