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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News
How do microorganisms' eat 'COD in wastewater? An article reveals the 'invisible cleaners' of sewage treatment plants
People usually flush the toilet or pour vegetable wash water, but they may rarely think about how many pollutants are hidden in these sewage. Today we will talk about a super critical indicator in sewage treatment - COD (Chemical Oxygen Demand), and how a group of silent "microbial cleaners" clean ...
June 6, 2025
Requirements for joint testing of sewage treatment plants
The joint commissioning of sewage treatment plants is a key link in the construction process of sewage treatment plants. It is a comprehensive testing of the entire process system based on the preliminary acceptance of individual civil structures, equipment installation, electrical automation, ...
June 5, 2025
Requirements for joint testing of sewage treatment plants
The joint commissioning of sewage treatment plants is a key link in the construction process of sewage treatment plants. It is a comprehensive testing of the entire process system based on the preliminary acceptance of individual civil structures, equipment installation, electrical automation, ...
May 29, 2025
Exploring the Spiral Stacking Machine: The 'Mechanical Magician' of Sewage Purification
In the world of sewage treatment, the screw stacking machine is like a low-key but powerful "mechanical magician", silently exerting magical purification magic to "turn" murky sewage into clean water. Today, let's step into the inner world of the screw stacking machine and uncover its mysterious ...
May 27, 2025
Read about various hydrolysis and acidification tanks in one article! Nanny level science popularization from principle to application
hello everyone! Today, let's talk about the "star player" in the sewage treatment industry - hydrolysis acidification tank. This thing may seem unremarkable, but it plays a crucial role in the sewage treatment process as a bridge between the past and the future! Simply put, it is like the appetizer ...
May 26, 2025
Principle and operation precautions of pneumatic diaphragm pump
hello everyone! Today let's talk about pneumatic diaphragm pumps, which are very common in industrial production. They can be used to transport corrosive liquids, high viscosity materials, and media with particles. However, in order to make this device obediently and stably operate, we need to first ...
May 24, 2025
Hand in hand teaching you how to understand cavitation air flotation: a complete guide to principles and operations!
Let's talk about something practical today - cavitation air flotation. Many friends get confused when they hear this term, feeling that it is some advanced black technology. In fact, it is like the "air magician" in the sewage treatment industry, using simple physical principles to sweep away all ...
May 23, 2025
Conversion of organic nitrogen and ammonia nitrogen
Let's talk about the conversion of organic nitrogen and ammonia nitrogen today. This is a very important part of sewage treatment, and understanding it is very beneficial for solving water quality problems. First, let's talk about what organic nitrogen and ammonia nitrogen are. Organic nitrogen ...
May 22, 2025
The operation of sewage treatment plants is all dry matter!
Family members, today we are going to talk about the key points of operating sewage treatment plants. They are all practical knowledge that can be gained from them, whether you are a novice or an experienced worker in this industry for many years! Let's talk about water quality management first, it...
May 21, 2025
How to deal with high dissolved oxygen in the aerobic tank just after adding mud?
Family, we're in big trouble! Just finished adding mud, but the amount of water entering slowly drops, causing the dissolved oxygen in the aerobic tank to skyrocket to the "explosive" level. What's going on? Don't panic, let's analyze and solve it step by step. I have gathered all the practical ...
May 17, 2025
How to restore the system when the effluent ammonia nitrogen exceeds the standard?
Our friends who are engaged in environmental protection and sewage treatment must have encountered this kind of frustrating thing - sudden excessive ammonia nitrogen! The concentration of ammonia nitrogen in the incoming water skyrocketed like riding a roller coaster, and the effluent data directly ...
May 16, 2025
What are the inspections conducted on sewage treatment plants?
Entering a sewage treatment plant is like stepping into a huge "urban intestinal hospital", where every inch and every piece of equipment is quietly busy purifying sewage. And the inspector, who is the "general practitioner" in this hospital, shuttles between the pipeline jungle and the machine ...
May 14, 2025
What is the loss of activated sludge? I'll teach you step by step!
Recently, many friends have encountered the problem of activated sludge loss while working in sewage treatment plants, which is a headache to deal with. Activated sludge is like the 'capable worker' of a sewage treatment plant, without it, the sewage cannot be treated completely. Today we will break ...
May 13, 2025
What is the reason why activated sludge does not sink?
Family, today let's talk about a long-standing problem in the sewage treatment industry - activated sludge does not sink! When this situation occurs, the staff of the sewage treatment plant will really feel overwhelmed, like cooking and burning a pot, and they must quickly find out the cause and ...
May 12, 2025
Inventory of domestic super large sewage treatment plants
Family, today let's talk about the super large sewage treatment plants in China. They are the "invisible heroes" of the city, silently guarding our water environment! Let's first talk about the Shanghai Zhuyuan Sewage Treatment Plant, which can be called a "giant" in terms of scale! The processing ...
May 10, 2025
What are the things about the pH value changes in the aeration tank
We all know that the aeration tank is crucial in sewage treatment, and pH value is an important indicator of the operation status of the aeration tank. If there is a problem, the treatment effect of the aeration tank will be greatly reduced. Today, let's talk about the factors that affect the pH ...
May 9, 2025
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