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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News

Design and Principles of the Air Sparging Unit: The "Lazy Man's Tool" in the Water Treatment Industry

As we all know in water treatment, there are always some mixed liquids and sludge that need to be transported in aeration tanks and sedimentation tanks. If we rely solely on pumps, it will not only consume electricity but also be prone to blockage. At this point, the air lift device comes in handy - ...

January 22, 2026
Title: A Study on Foreign Sewage Treatment Equipment

### Title: A Study on Foreign Sewage Treatment Equipment #### Abstract With the acceleration of global industrialization and urbanization, water pollution has become an increasingly severe environmental problem, seriously threatening human health and sustainable development. Against this background, ...

January 16, 2026
The Impact of Silicone on Activated Sludge: The "Hidden Killers" You Must Guard Against

Colleagues in the field of dry wastewater treatment are likely to have come into contact with wastewater containing organic silicon to some extent - whether it is from chemical parks or discharged from daily chemical and textile factories. Although this may seem insignificant, it has a significant ...

January 15, 2026
Research on the Transformation Mechanism and Influencing Factors of Organic Nitrogen to Ammonia Nitrogen

In the nitrogen cycle of wastewater treatment systems and natural aquatic environments, the conversion of organic nitrogen to ammonia nitrogen is one of the core processes. This process, known as ammonification, serves as a fundamental step in nitrogen transformation, directly influencing the ...

January 8, 2026
How to handle sludge bulking? A seasoned expert guides you step by step

R1: "Foam" must be translated as foam. The original text: When it comes to dry sewage treatment, who hasn’t battled with sludge bulking? The secondary sedimentation tank, which was functioning perfectly, suddenly becomes difficult to separate sludge from water. The supernatant turns turbid, sludge ...

January 6, 2026
New technology for high salt wastewater treatment - vibrating membrane technology

Due to its high separation efficiency, energy saving, high efficiency, and no secondary pollution, membranes are particularly important in today's energy supply shortage, increasing resource scarcity, and deteriorating ecological environment. However, the problem of membrane flux attenuation caused ...

July 23, 2024
How to draw a process flowchart? Please refer!

Chemical process diagram is a graphic representation of the chemical production process, and the drawing of chemical process diagram must comply with the "Unified Regulations on Content and Depth of Chemical Process Design and Construction Drawings" (HG 20519) standard. The article pushed by the ...

July 17, 2024
Domestic sewage treatment plan

1、 Overview of Processing Facilities The main pollutants in most domestic sewage are pathogenic microorganisms and toxic and harmful physical and chemical pollutants. Various water treatment technologies and equipment can be used to remove various physical, chemical, and biological pollutants from ...

July 18, 2024
Qinrunze Environmental Protection participates in the Bangkok Exhibition in Thailand

Qinrunze Environmental Protection participates in the Bangkok Exhibition in Thailand Queen Siriki Convention and Exhibition Center QSNCC, booth number L33, exhibition duration: 3 days. The exhibition site has a large number of consulting clients, which is very popular. Welcome all bosses to inquire ...

July 4, 2024
Difficulties and priorities in the treatment of kitchen waste leachate!

Kitchen waste accounts for a significant proportion of our household waste, but it also has dual characteristics of harmfulness and resource coexistence. Therefore, two opinions have emerged: one is to thoroughly clean up kitchen waste to avoid environmental harm, and the other is to start from its ...

April 20, 2024
Analysis of 6 types of biological treatment processes for leachate from garbage!

Garbage leachate refers to a high concentration organic wastewater formed by the moisture contained in the garbage itself, rain, snow, and other moisture entering the landfill site, deducting the saturated water holding capacity of the garbage and covering soil layer, and passing through the garbage ...

April 20, 2024
DTRO leachate equipment daily work inspection system

The daily inspection system for DTRO leachate equipment includes: 1. Inspection is an important part of the daily work of sewage treatment personnel, which is an effective means to prevent abnormal situations from occurring during operation, and to correctly judge and eliminate the causes of ...

April 19, 2024
The problems of traditional biological denitrification in the treatment of landfill leachate

The traditional biological denitrification technology in the treatment of landfill leachate includes two stages: nitrification and denitrification. Firstly, the landfill leachate is oxidized to nitrite or nitrate by aerobic nitrifying bacteria under aerobic conditions. Then, under anaerobic ...

April 19, 2024
What are the problems in the treatment process of landfill leachate?

Due to the complex water quality of garbage leachate and the presence of a large amount of organic pollutants, in the treatment process of garbage leachate, in order to ensure the effluent effect, the following issues should be paid attention to: 1. Seasonal changes in water quantity and quality The ...

April 19, 2024
Introduction to the operation process of sewage treatment equipment

The rapid growth of industry has led to increasingly serious environmental problems, therefore, almost all polluting enterprises must install environmental protection equipment. For example, if a company discharges sewage, it must install sewage treatment equipment. So, what is the treatment process ...

April 19, 2024
How to solve the abnormal problem of the leachate pretreatment system?

The reasons and solutions for the abnormal problems in the leachate pretreatment system are summarized as follows: Abnormal problem 1 of the leachate pretreatment system: The effluent contains small suspended particles Main reasons: hydraulic load impact or long-term overload operation; Due to the ...

April 19, 2024

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