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A2O Process of Sewage Treatment TechnologyJan 3,2025A2/O process is the abbreviation of Anaerobic Anoxic Oxic, which is the abbreviation of biological nitrogen and phosphorus removal process. The treatment efficiency of this process can generally reach: BOD5 and SS are 90%~95%, total nitrogen is over 70%, and phosphorus is about 90%. It is generally suitable for large and medium-sized urban sewage plants that require nitrogen and phosphorus removal- How to deal with excessive addition of carbon sourceDec 31,2024In the field of sewage treatment, accurate addition of carbon source is one of the key factors to ensure stable and efficient treatment effect. However, excessive addition of carbon source is a common operational error, which may trigger a series of chain reactions and affect the stability and effluent quality of the entire sewage treatment system.
- Two filtration modes and configurations of MBR process designDec 30,2024MBR membrane components have two filtration methods: intermittent filtration and simple continuous filtration. Intermittent filtration is usually used, and sometimes a simpler continuous filtration method is used. Regardless of which method is used, aeration must be carried out continuously during filtration operation.
- What is the reason for the lack of sludge growth in aeration tanksDec 24,2024In the process of sewage treatment, we often encounter the phenomenon that the activated sludge in the aeration tank does not grow or even decreases. What is the reason? And how to solve it?
- The impact of low temperature on sewage treatment and treatment methodsDec 20,2024With the advent of winter, the temperature gradually drops, which has a significant impact on the sludge activity in the sewage treatment process. In low-temperature environments, microbial activity weakens and the biodegradability of sludge decreases accordingly, thus affecting the efficiency and stability of the entire sewage treatment system.
- How to deal with a nitrification system crashDec 18,2024In the sewage treatment process, the collapse of the nitrification system is a serious problem, which may cause the effluent water quality to be substandard, affecting the environmental quality and the subsequent treatment effect. How should we deal with it?
- Preparation Before Installing Diffuser DiscsDec 12,2024Before installing diffuser discs, a series of preparations are necessary to ensure smooth operation and long-term stability of the system. The following are key aspects to focus on before installation
- Installation and maintenance precautions of disc diffuserDec 12,2024Before installing diffuser discs, a series of preparations are necessary to ensure smooth operation and long-term stability of the system. The following are key aspects to focus on before installation
- The main source of noise of Roots blower and its solutionDec 10,2024Roots blower is a kind of equipment widely used in sewage treatment field. Its working principle is to compress and transport gas through two intermeshing impellers. However, during use, users may find that Roots blower has certain noise problems. This article will analyze the main sources of Roots blower noise in detail and provide corresponding solutions.
- Working Principle and Applications of the AquaSust Single Screw PumpDec 6,2024The AquaSust Single Screw Pump is a reliable and efficient solution for pumping viscous, abrasive, or shear-sensitive liquids in various industrial applications. This type of pump operates on a unique design, offering advantages like a gentle pumping action, steady flow, and the ability to handle a wide range of materials, from liquids to sludges.
- Causes of poor biochemical removal rate of pollutants and solutionsDec 4,2024Biochemical removal of pollutants requires providing suitable conditions to the sludge for efficient biochemical degradation, so this article will focus on explaining which factors impact biochemical removal of various types of pollution.
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