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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News

The principle of reverse osmosis desalination and the classification of reverse osmosis membranes

Reverse osmosis is a new membrane separation technology developed in the 1960s, which relies on reverse osmosis membranes to separate solvents and solutes in a solution under pressure. To understand the principle of reverse osmosis desalination, one must first understand the concept of "permeation". ...

December 27, 2024
Application of UPVC pipe fittings in water treatment

PVC is polymerized from vinyl chloride monomer (VCM). PVC material is non-toxic, anti-aging, acid and alkali resistant, so it is very suitable for use in chemical pipelines. A mixture composed of PVC raw materials and a certain amount of solid additives (without plasticizers) is called rigid ...

December 26, 2024
Summary of various sewage treatment principles and technologies!

What is biological wastewater treatment method? Biological treatment is the use of microorganisms to adsorb, decompose, and oxidize organic matter in wastewater, degrading unstable organic matter into stable and harmless substances, thereby purifying wastewater. Modern biological treatment methods ...

December 25, 2024
Installation method of inclined plate packing

1. Preliminary preparation: -Material inspection: Ensure that the specifications, models, and quality of the inclined plate filling meet the design requirements, and check for any damage, deformation, or other issues. -Site cleaning: Clean up the installation site to ensure that the bottom of the ...

December 24, 2024
The process of treating seawater desalination by reverse osmosis method

Desalination refers to the technology and process of obtaining fresh water from seawater. There are many types of seawater desalination technologies, including distillation, membrane methods (reverse osmosis, electrodialysis membrane evaporation, etc.), ion exchange methods, etc. However, the only ...

December 23, 2024
Nine influencing factors of anaerobic granular sludge production

1. Matrix The cultivation of granular sludge first requires certain requirements for the substrate. Generally, in the substrate for cultivating granular sludge, COD: N：P=110——200： 5: The matrix of organic waste liquid can be divided into carbohydrates and proteins. In order to successfully cultivate ...

December 20, 2024
Those who engage in environmental protection projects must watch! Unveiling the tricks of bidding and tendering!

In the popular Chinese New Year movie "Journey to the West: Conquering Demons," there is a line that has become popular: "The longest journey is the master's tricks." Tang Sanzang, who was once weak and gentle, also learned acting and fiercely "tricked" the demon. In bidding, it's not a fixed party ...

December 19, 2024
【 Dry goods 】 Steps for BAF sludge inoculation and cultivation!

1. Prepare sludge: An appropriate amount of activated sludge can be obtained from the secondary sedimentation tank, which contains abundant microorganisms. 2. Add built-in filler: Add the built-in filler to the reaction zone of the BAF reactor. 3. Inoculate sludge: Adopt the method of inoculating ...

December 18, 2024
Principles, Design, Construction, and Management of Septic Tanks

Septic tank is a small-scale sewage primary treatment structure that utilizes the principles of sedimentation and anaerobic microbial fermentation to remove suspended solids, organic matter, and pathogenic microorganisms from fecal sewage or other domestic sewage. Most suspended solids (SS) can be ...

December 17, 2024
Reasons and Solutions for Excessive Oil Content in Electric Desalination Wastewater

The crude oil electric desalination unit of Luoyang Petrochemical Branch is designed as a 2-channel 3-level AC desalination system, with 3 full impedance transformers installed on each tank. The tank is equipped with 3 layers of horizontal plates, with the middle plate connected to electricity and ...

December 16, 2024
Daily maintenance and upkeep measures for sodium hypochlorite generator

Sodium hypochlorite generator is a common water treatment disinfection and sterilization equipment on the market. Like other equipment, maintenance and upkeep measures should be taken for the sodium hypochlorite generator during daily use to ensure its normal operation and extend its service life. ...

December 14, 2024
The process of treating seawater desalination by reverse osmosis method

Desalination refers to the technology and process of obtaining fresh water from seawater. There are many types of seawater desalination technologies, including distillation, membrane methods (reverse osmosis, electrodialysis membrane evaporation, etc.), ion exchange methods, etc. However, the only ...

December 13, 2024
Working principle and function of metering pump damper

A metering pump is a device used to deliver precise flow, widely used in industrial fields and laboratories. The damper is one of the important components and plays a crucial role in the operation of the pump. Below, I will provide you with a detailed introduction to the function and principle of ...

December 12, 2024
Working principle of manganese and iron removal from groundwater (manganese sand)

Working principle of manganese and iron removal from manganese sand There are many methods to remove iron and manganese, generally using the principle of oxidation to remove iron and manganese, which is currently the most economical and effective treatment method. Many equipment use natural ...

December 10, 2024
Process and scheme for replacing RO reverse osmosis membrane in pure water equipment

Part One: Preparation Work 1.1 Prepare all tools that may be used during the construction process 1.2 Clean the upstream inlet pipeline; 1.3 Carefully evaluate the quality of incoming water; 1.4 Check for leaks in the pipeline; 1.5 Prepare water-soluble lubricant (chemically pure glycerol); 1.6 ...

December 9, 2024
How to treat cyanide containing wastewater?

Cyanide containing wastewater can come from many industrial processes, such as the electronics industry, metal surface treatment, leather making, chemical industry, metallurgy, etc. In the actual treatment process, cyanide containing wastewater often needs to be treated separately. After the free ...

December 7, 2024

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