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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News

[Useful Information] What are the benefits of increasing sludge concentration for the operation of wastewater treatment

Improving sludge concentration in activated sludge process has multiple benefits, mainly reflected in the following aspects:1. Improving the efficiency of pollutant removal and enhancing the ability to degrade organic matter. Increasing sludge concentration can increase the number and types of ...

March 6, 2025
The hazards and treatment methods of high dissolved oxygen (DO) in sewage treatment!

In the process of sewage treatment, aerobic tank is a crucial link. Microorganisms in aerobic tanks decompose organic pollutants in wastewater by consuming oxygen, thereby achieving the goal of purifying water quality. However, did you know? The concentration of dissolved oxygen (DO) in an aerobic ...

March 4, 2025
Solution for Sewage Treatment Equipment on Foreign Websites

With the rapid development of global industrialization and urbanization, water pollution has become increasingly severe. Foreign websites have launched various innovative solutions in sewage treatment equipment, aiming to improve sewage treatment efficiency, reduce energy consumption, and minimize ...

March 3, 2025
Solution to the problem of floating mud in the secondary sedimentation tank

Sludge always likes to tinker with the secondary sedimentation tank in various ways. The more common ones are floating mud and turning mud.The phenomenon of floating sludge is caused by denitrification of activated sludge in the secondary sedimentation tank, resulting in the sludge at the bottom of ...

March 1, 2025
Good news: The Ministry of Ecology and Environment will not punish minor illegal enterprises!

Opinions on Further Standardizing Ecological Environment Law Enforcement to Assist in Optimizing the Business Environment: Ecological environment departments (bureaus) of various provinces, autonomous regions, and municipalities directly under the central government, and ecological environment ...

February 28, 2025
Emergency manual for sludge poisoning in sewage treatment plants

01To determine the cause of sludge poisoning after a poisoning event occurs in the biological treatment system, in order to avoid further escalation of the situation, we can learn from the observation of traditional Chinese medicine and observe the "clinical manifestations" of traditional Chinese ...

February 27, 2025
Detailed explanation of AOA process!

The AOA process optimizes and adjusts the traditional sewage treatment process, which mainly includes anaerobic zone, aerobic zone, and anoxic zone. This process arrangement enables effective conversion and utilization of carbon sources in the treatment of wastewater.◇ Anaerobic zone: In the ...

February 26, 2025
Factors affecting the desalination rate of reverse osmosis membranes!

The desalination rate is the percentage of soluble impurities removed from the inlet water of the equipment through a reverse osmosis membrane. Desalination rate=(1- salt content in produced water/salt content in influent) × 100%. The desalination rate of reverse osmosis membrane elements is ...

February 25, 2025
Detailed explanation of MBR membrane fouling and operation control!

Since the emergence of MBR technology, it has been widely used worldwide due to its small footprint, good effluent quality, high organic load rate, and low sludge production, especially in urban sewage treatment. However, due to the need for effective control of membrane fouling during operation, it ...

February 24, 2025
Summary of AAO Process Debugging Experience

The AAO process, also known as anaerobic anoxic aerobic biological treatment method, is based on the A/O phosphorus removal process. It adds an anoxic reactor after the anaerobic reactor, and then refluxes the mixed liquid in the aerobic reactor to the anoxic reactor for denitrification and ...

February 22, 2025
Practical adjustment of total nitrogen exceeding the standard in sewage treatment plants

As a sewage treatment worker, facing the problem of rising total nitrogen (TN) data, we need to take a series of scientifically effective measures as soon as possible to cope with it. The following are some commonly used operational techniques. And a simple analysis was conducted on corresponding ...

February 18, 2025
Precautions for Winter Water Treatment Equipment Operation

Precautions for the operation of water treatment equipment in winter: Due to the decrease in temperature, special attention should be paid to the following matters during the operation and maintenance of water treatment equipment in winter: 1. Equipment insulation and antifreeze measures for indoor ...

February 14, 2025
Introduction to the classification of environmental protection projects and the qualifications of environmental protecti

Environmental protection engineering mainly refers to water pollution prevention and control engineering, air pollution prevention and control engineering, solid waste treatment and disposal engineering, physical pollution prevention and control engineering, and pollution remediation engineering...

February 13, 2025
Technical points for flushing reverse osmosis system

Reverse osmosis flushing is the use of low-pressure and high flow water or inlet water to flush membrane components, removing pollutants or deposits attached to the membrane surface. Flushing flow rate: During device operation, particulate pollutants gradually accumulate on the surface of the ...

February 12, 2025
Summary of various operating procedures for sewage treatment plants!

General Provisions: In order to strengthen the equipment management, process management, and water quality management of sewage treatment, ensure the safe and normal operation of sewage treatment, achieve the purpose of purifying water quality, treating and disposing of sludge, and protecting the ...

February 11, 2025
Reasons and solutions for sludge poisoning!

1. The phenomenon of sludge poisoning is roughly divided into the following four situations after sludge poisoning, with slight differences depending on the reasons. The activated sludge flocs are finely refined, with abnormal color and deteriorated settling performance. The supernatant is turbid ...

February 10, 2025

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