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How does the Mbbr carrier work and what are its application scenarios?
Author: Site Editor Publish Time: 2023-10-16 Origin: Site
MBBR (Moving Bed Biofilm Reactor) is a biological treatment technology commonly used in wastewater treatment. The working principle of MBBR biofiller is based on the attachment and growth of biofilm. Here's how MBBR biofiller works:
MBBR biological fillers are usually made of plastic materials with a large surface area and pore structure, providing a large amount of attachment surface for microbial growth.
▪Attachment of microorganisms:
When wastewater passes through the MBBR reactor, pollutants such as organic matter and ammonia nitrogen in the wastewater are attached and adsorbed by microorganisms on the biofilm. These microorganisms include bacteria, fungi, and other microorganisms that use organic matter in wastewater as a carbon source and convert it into biomass and carbon dioxide.
▪Growth of biofilm:
Over time, biofilm continues to grow and multiply, forming a thick layer of biofilm. The microorganisms in these biofilms degrade organic matter and ammonia nitrogen and other pollutants in the wastewater into more stable and harmless substances through metabolism.
▪Movement and aeration:
MBBR reactorsusually move the filler in the water through stirring or other means, which can keep the biofilm active and evenly distributed throughout the reactor. In addition, the aeration system can also provide oxygen to promote the redox reaction of microorganisms in the biofilm and accelerate the degradation process of organic matter in wastewater.
▪Precipitation and clarification:
The water body treated by the MBBR reactor contains less suspended solids and pollutants. After sedimentation or other solid-liquid separation processes, a relatively clear water body can be obtained, suitable for discharge or further treatment.
In general, MBBR biological filler achieves the purpose of wastewater treatment by providing a large amount of attachment surface to promote the attachment and growth of microorganisms, and using the metabolism of microorganisms to degrade organic matter and ammonia nitrogen and other pollutants in wastewater.
Because MBBR (Moving Bed Biofilm Reactor) is an efficient wastewater treatment technology and is widely used in various fields and scenarios. The following are the main application scenarios of MBBR:
▪Urban sewage treatment plants:
MBBR technology is often used in urban sewage treatment plants to treat residential sewage and industrial wastewater. It can effectively degrade organic matter, ammonia nitrogen and other pollutants in wastewater, providing treatment effects that meet emission standards.
▪Industrial wastewater treatment:
MBBR technology is suitable for treating all types of industrial wastewater, including wastewater in chemical, pharmaceutical, food processing and other fields. Different types of MBBR fillers can be optimized for different types of pollutants to improve treatment efficiency.
▪Domestic waste leachate treatment:
In landfills, the decomposition of domestic waste will produce leachate, which contains a large amount of organic matter and ammonia nitrogen. MBBR technology can effectively treat these leachates and reduce pollution to the surrounding environment.
▪Aquaculture wastewater treatment:
Aquaculture wastewater contains a large amount of ammonia nitrogen and organic matter, which poses a threat to the water ecosystem. MBBR technology can degrade these pollutants, improve water quality, and protect the living environment of aquatic organisms.
▪Desalination plant wastewater treatment:
The wastewater generated during the desalination process usually contains high concentrations of salt and organic matter. MBBR technology can help remove these organic matter and improve the treatment effect of wastewater.
▪Special industrial wastewater treatment:
MBBR technology can also be used to treat some special industrial wastewater, such as wastewater from petrochemical, printing and dyeing industries, etc. It has certain advantages in the treatment of these complex wastewaters.
In general, MBBR technology is suitable for various types and sizes of wastewater treatment scenarios because it is efficient, flexible, and stable, and can be customized according to different needs. It is widely favored in engineering applications.