MBBR sewage treatment process MBBR (Moving Bed Biofilm Reactor) is a commonly used biodegradation process for treating organic matter and ammonia nitrogen in wastewater. This process uses active fillers as carriers to immobilize microorganisms on the surface of the fillers, forming a biofilm. I The principle of MBBR sewage treatment process The MBBR wastewater treatment process mainly relies on microorganisms on the biofilm to degrade organic matter and ammonia nitrogen in wastewater. The principle is based on the following key steps: 1. Active fillers: The MBBR reactor is filled with a large amount of active fillers, such as plastic fillers, ceramic fillers, etc. Fillers provide a fixed surface for microorganisms and provide sufficient adhesion area to promote their attachment and growth. 2. Microbial degradation: Organic matter and ammonia nitrogen in wastewater are fixed by microorganisms on the biofilm surface of the filler for degradation. Microorganisms degrade organic matter and convert it into harmless substances such as carbon dioxide and water. Meanwhile, ammonia nitrogen is converted into nitrate by ammonia oxidizing bacteria and nitrifying bacteria. 3. Active packing movement: The MBBR reactor continuously moves and collides the packing through mechanical or liquid flow, ensuring uniform distribution of microorganisms on the surface of the packing and promoting sufficient contact between oxygen and wastewater in the reactor. By following the above steps, The MBBR process can efficiently degrade organic matter and ammonia nitrogen in wastewater, achieving the goal of purifying wastewater. II Characteristics of MBBR sewage treatment process 1. High degradation efficiency: The MBBR process uses a large amount of active fillers, providing a larger microbial attachment area, allowing for more complete microbial growth, thereby improving the degradation efficiency of organic matter and ammonia nitrogen in wastewater. 2. Strong flexibility and adaptability: The MBBR process can be adjusted and optimized according to changes in wastewater quality and load requirements. It can meet the requirements of wastewater treatment with different water quality and treatment capacity. 3. Impact resistant load: The MBBR process has strong adaptability to load fluctuations and can stably treat wastewater with large load fluctuations. 4. Small footprint: Compared to traditional activated sludge methods, the MBBR process has a smaller footprint and is suitable for treatment projects with limited sites. III Application of MBBR sewage treatment process The MBBR sewage treatment process is widely used in urban sewage treatment plants, industrial wastewater treatment plants, and other fields. Especially suitable for the treatment of wastewater with high organic matter and ammonia nitrogen content. The MBBR process has the advantages of high degradation efficiency, flexible process, and good adaptability in wastewater treatment. The MBBR wastewater treatment process uses active fillers as carriers to immobilize microorganisms on the surface of the fillers, and removes organic matter and ammonia nitrogen from the wastewater through microbial degradation. This process has the characteristics of high efficiency, flexibility, and strong adaptability, and is widely used in the field of wastewater treatment. With the continuous development and innovation of technology, The MBBR process will continue to play an important role in wastewater treatment, contributing to environmental protection and promoting sustainable development.
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