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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News

How to calculate the amount of anaerobic sludge used?

The amount of sludge that can be inoculated in an anaerobic reactor is directly related to the type and size of the reactor. Taking the widely used third-generation anaerobic internal circulation reactor IC as an example, the maximum inoculation amount of anaerobic sludge is about 50-55% of the ...

August 1, 2024
Summary of Common Issues in Wastewater Treatment Plant Management

1. Management mode lagging behind, unclear job definition Although we are currently in a situation where In the Internet era with advanced science and technology, there are still many "historical legacy" problems unsolved. For example, a large part of sewage treatment plants still adopt the ...

July 31, 2024
Summary of Common Problems with Evaporative Crystallization!

How to prevent pipe blockage and scaling in wastewater evaporators? Answer: There are generally two reasons for pipe blockage: one is the deposition of crystal salts; Another type is the scaling formed by calcium, magnesium ions, etc., so preventing pipe blockage should also focus on these two ...

July 29, 2024
50 basic knowledge points that sewage treatment workers must master!

1. What is self purification of water bodies? Self purification of water bodies: Polluted rivers undergo physical, chemical, biological, and other processes to reduce or transform the concentration of pollutants, restoring the water body to its original state or reducing it from exceeding water ...

July 27, 2024
Hotspot Focus - Introduction to Zero Discharge Technology and Typical Cases of Coal Chemical Wastewater

1、 The Development of Coal Chemical Industry in China The coal chemical process is the industrial process of converting coal into gas, liquid, and solid products or semi-finished products, and then further processing them into chemical and energy products. Including coking, coal gasification, coal ...

July 26, 2024
Collection and Distribution of Seawater Aquaculture Wastewater Treatment!

1. Preface With the improvement of seawater aquaculture technology and the expansion of market demand, China's seawater factory aquaculture has developed rapidly in the past 10 years. The residual feed, chemical residues, and biological discharges rich in nitrogen, phosphorus, organic matter, and ...

July 25, 2024
Detailed explanation of iron carbon microelectrolysis technology!

Micro electrolytic packing material Micro electrolysis packing, also known as iron carbon packing or iron carbon micro electrolysis packing, is one of the important conditions for treating wastewater using micro electrolysis technology. Standardized microelectrolysis fillers and iron carbon fillers ...

July 24, 2024
Identification and Control of Hazardous Point Sources in Sewage Treatment Plants

This article analyzes the hazardous factors and hazardous point sources of sewage treatment plants based on the A/A/O process for sewage treatment and the sludge digestion and dewatering process for sludge treatment. It also introduces the management and control measures for hazardous point sources. ...

July 22, 2024
Abnormal analysis and control methods of common indicators in sewage treatment plants

1. PH value: In the actual adjustment process, the pH value prefers to be alkaline rather than acidic, mainly because alkaline is more conducive to improving the coagulation and precipitation effect in the later stage. The relationship between pH value and other indicators: (1) The relationship ...

July 20, 2024
Design and Selection Manual for Quartz Sand Filter

1、 Product Features Quartz sand filtration is one of the most effective methods for removing suspended solids in water, and is an important unit in wastewater deep treatment, wastewater reuse, and water treatment. Its function is to further remove pollutants that have already coagulated in water. It ...

July 19, 2024
How to deal with ammonia nitrogen exceeding the standard and total nitrogen exceeding the standard?

The total nitrogen remains high, hovering at the critical point of exceeding the standard, and there is no way to start. The inflow of more than 7000 water does not exceed the standard, the sludge concentration is around 4500, the internal and external reflux is 100%, other equipment is normal, and ...

July 16, 2024
Summary of MBR membrane knowledge

The difference in function and usage between membrane bioreactor (MBR) and submerged ultrafiltration. What should be used in what situation? MBR is placed in an aeration tank or a secondary sedimentation tank, with a large amount of activated sludge in the influent. Immersion ultrafiltration is ...

July 15, 2024
Operation and maintenance of MBR membrane

The membrane bioreactor method for treating urban and industrial organic wastewater has been widely used in wastewater treatment and resource utilization engineering due to its high efficiency, energy conservation, no phase change, no secondary pollution, good output water quality, small land ...

July 11, 2024
Reasons and treatment methods for low ammonia nitrogen and low total nitrogen

What are the reasons for high ammonia nitrogen and low total nitrogen? 1. The presence of organic nitrogen: Total nitrogen includes ammonia nitrogen, nitrate nitrogen, and organic nitrogen. Ammonia nitrogen only accounts for a portion of total nitrogen, while organic nitrogen can account for a ...

July 11, 2024
Introduction to Qinrunze Environmental Protection Factory

Qinrunze Environmental Protection is a high-tech company that has been operating in China for 20 years. The company integrates scientific research and development, design consulting, manufacturing, construction, and operation, providing comprehensive environmental governance solutions. Qinrunze ...

July 10, 2024
Qinrunze Environmental Protection participates in the Thailand exhibition

Qinrunze Environmental Protection participated in the Thailand exhibition and received a large amount of on-site customer inquiries. Currently, there are three customers who have signed contracts. We welcome all bosses to send private messages and look forward to cooperation.

July 6, 2024

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