| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Method: | Chemical Treatment |
| Usage: | Industrial, Agriculture |
| Cod(Mg\L): | <500 |
| BOD(Mg\L): | <300 |
| Customization: |
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A membrane bioreactor (MBR) is an advanced wastewater treatment technology that combines biological treatment with membrane filtration. It utilizes both suspended growth and membrane separation to effectively remove suspended solids, bacteria, and other contaminants from wastewater.
The MBR system consists of two main components: a biological reactor and a membrane filtration unit. The biological reactor contains microorganisms that break down organic matter in the wastewater through biological processes such as aerobic or anaerobic digestion. The membrane filtration unit, typically made of ultrafiltration or microfiltration membranes, acts as a physical barrier to retain suspended solids, bacteria, and other particles while allowing treated water to pass through.
Wastewater Treatment: The wastewater is introduced into the biological reactor, where the microorganisms metabolize organic matter, nutrients, and other contaminants, converting them into biomass and biogas. This biological treatment process occurs in the presence of oxygen (aerobic) or in the absence of oxygen (anaerobic), depending on the specific application.
Membrane Filtration: Treated wastewater from the biological reactor is then directed to the membrane filtration unit. The membranes, with their small pore sizes, act as a filtration barrier to separate solids, bacteria, and other particles from the treated water. The retained solids accumulate on the membrane surface and form a layer called the sludge or cake layer.
Membrane Cleaning: Over time, the sludge layer on the membrane surface can cause fouling or clogging, reducing the filtration efficiency. To maintain optimal performance, regular membrane cleaning is required. This can be done through physical methods like backwashing or by chemical cleaning using specific cleaning agents.
Permeate Collection: The treated water, known as permeate, passes through the membrane and is collected for further treatment or safe discharge. The high-quality permeate produced by the MBR system is typically free of suspended solids, bacteria, and most contaminants, making it suitable for reuse in various applications or safe discharge into the environment.
High-Quality Effluent: The membrane filtration in an MBR system provides superior separation and retention of solids and bacteria, resulting in a high-quality effluent that meets stringent water quality standards.
Compact Footprint: The MBR system's compact design, with the combination of biological treatment and membrane filtration in a single unit, requires less space compared to conventional treatment processes.
Process Flexibility: MBR systems can be easily integrated into existing wastewater treatment plants or configured as stand-alone units. They can be designed to handle a wide range of wastewater types, including industrial and municipal wastewater.
Improved Sludge Management: The MBR system produces concentrated sludge due to the high solids retention by the membranes. This facilitates efficient sludge management, including dewatering and disposal, reducing the overall sludge volume.
Reduced Chemical Requirements: The enhanced removal of contaminants by the MBR system often results in reduced chemical requirements for post-treatment processes, such as disinfection or nutrient removal.
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