Aerobic biological treatment is a wastewater treatment technology that uses aerobic microorganisms to convert organic matter in wastewater into harmless substances. This treatment requires adequate oxygen, usually achieved by mechanical or natural aeration. Here are some of the main features and applications of aerobic biological treatment:
Features:1Efficient Organic Degradation: Aerobic microorganisms are able to rapidly degrade organic pollutants in wastewater, converting them into carbon dioxide, water, and other harmless end products.
2.Low sludge yield: Aerobic treatment typically produces less residual sludge than anaerobic treatment, simplifying the sludge treatment and disposal process.
3.*Good Water Adaptability**: The aerobic treatment system can adapt to a wide range of pollutant concentrations and water quality changes, and has a strong resistance to shock loads.
4.*Low Nutrient Requirements**: Aerobic microorganisms have relatively low nutrient requirements and typically require only moderate amounts of nitrogen and phosphorus to maintain their growth and metabolic activity.
5.Shorter sludge age: The shorter sludge age in aerobic treatment systems means that microbial populations are updated quickly, helping to maintain high microbial activity and treatment efficiency.
Applications:1Municipal Wastewater Treatment: Aerobic biological treatment is the most commonly used treatment technology in municipal sewage treatment plants, which is suitable for treating wastewater in urban and residential areas.
2.*Industrial Wastewater Treatment**: Many industrial wastewater contains biodegradable organic matter, and aerobic treatment technology can effectively remove these pollutants and reduce COD (Chemical Oxygen Demand) and BOD (Biochemical Oxygen Demand) of industrial wastewater.
3.Agricultural Wastewater Treatment: Wastewater generated by agricultural activities, such as farm wastewater and crop processing wastewater, often contains high concentrations of organic matter, and aerobic treatment technology can effectively treat these wastewaters.
4.Drinking Water Pretreatment: In some cases, aerobic biological treatment can be used as a pretreatment step for drinking water to remove organic contaminants from the water and improve water quality.
Aerobic biological treatment technology is widely used, and its efficient treatment capacity and good water quality adaptability make it a very important part of wastewater treatment. Through aerobic biological treatment, the organic matter content in wastewater can be significantly reduced, reducing environmental pollution and providing guarantee for further treatment or safe discharge of wastewater.