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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News

Reasons and countermeasures for yellowing and poor sedimentation of sludge in dry goods!

The yellowing and poor settling performance of sludge may be caused by various reasons, and the following are some common reasons: -Excessive sludge load: The daily amount of organic matter to be treated per unit mass of activated sludge is too high, and microorganisms are unable to effectively ...

November 14, 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 ...

November 13, 2024
Reasons and operational analysis of reverse osmosis membrane fouling

After the normal operation of the system for a period of time, the components of the reverse osmosis membrane may be contaminated by suspended solids or insoluble salts that may exist in the feedwater. The most common pollutants include calcium carbonate precipitation, calcium sulfate, barium ...

November 7, 2024
Research on Chemical Wastewater Treatment Methods

Characteristics of chemical wastewater: 1、 The amount of wastewater discharged is large. Chemical production cannot do without water, which requires a large amount of water as a solvent, absorbent, and circulating coolant during the production process, resulting in a large amount of wastewater ...

November 6, 2024
Brief Introduction to the Characteristics of Resin Filter Media for Water Treatment

Softening water equipment is equipped with softening resin, which contains soft mineral sodium on the artificial ion exchange resin. It can undergo ion exchange reactions with hard minerals such as calcium and magnesium dissolved in water, and sodium ions will not accumulate on the surface of ...

November 5, 2024
Softener regeneration program setting and equipment maintenance

Softener regeneration program settings 1. Time regeneration controller Method for setting regeneration time: First, press the red time button on the left side of the controller and release it from the 24-hour gear to adjust the 24-hour gear until the current time aligns with the time arrow. For ...

November 4, 2024
How should seawater desalination equipment be cleaned?

Seawater desalination equipment provides abundant freshwater resources for coastal cities and is a very popular type of seawater desalination equipment The device is easy to operate and maintain. As long as there is seawater and electricity, fresh water can be provided immediately after startup. As ...

November 2, 2024
Definition, influencing factors and application of ORP in sewage treatment

Why does the relationship between ORP and various factors, such as ORP and pH, ORP and DO, cause changes in ORP values? To understand the relationship between changes in ORP values and various factors, we need to start with the definition of ORP! 1、 The definition of ORP is the full English name for ...

November 1, 2024
The difference between ultra-low pressure reverse osmosis membrane and ordinary reverse osmosis membrane

The difference between ultra-low pressure reverse osmosis membrane and ordinary reverse osmosis membrane There are many types of reverse osmosis membranes, including ordinary reverse osmosis membranes and extremely low pressure reverse osmosis membranes. When choosing, people may ask the difference ...

October 31, 2024
The difference between CASS process and CAST process in sewage treatment technology

At present, the abbreviation of cyclic activated sludge process is often not distinguished in the field of domestic sewage treatment engineering design. CASS and CAST are often mixed, and their specific process designs are sometimes the same and sometimes different, which has caused misunderstanding...

October 29, 2024
Reasons and countermeasures for floating mud in the secondary sedimentation tank of sewage plants!

Reason 1: The sudden increase in water inflow shortens the residence time of the secondary sedimentation tank, causing activated sludge to flow out of the tank before settling, resulting in sludge leakage. At the same time, an increase in influent concentration can lead to enhanced activity of ...

October 28, 2024
Three level treatment of integrated sewage treatment equipment

Wastewater treatment: The process of purifying wastewater to meet the water quality requirements for discharge into a certain body of water or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental ...

October 26, 2024
【 Dry goods 】 Reasons and countermeasures for sludge flocculation!

Sludge flocculation is a common problem in sewage treatment, which may be caused by various reasons. The following are some common reasons and corresponding solutions: reason: -Nutrient deficiency: Microorganisms in sludge require sufficient nutrients to maintain normal growth and metabolism. If the ...

October 25, 2024
Introduction to the working principle of COD online analyzer!

COD (Chemical Oxygen Demand) refers to the chemical oxygen demand, which is usually a parameter in indicator chemistry that reflects the degree of organic pollution. The traditional COD detection method requires a long time and is complex to operate, while the COD online analyzer can achieve ...

October 24, 2024
Classification and Introduction of Blenders!

1、 Propelled mixer: suitable for low viscosity mixing, dissolution suspension, and heat transfer operations. 2、 Spiral belt agitator with axial flow pattern, generally the material spirals up along the container wall and then converges towards the four central cavities, forming a convective ...

October 23, 2024
How much do you know about the seawater fish cycle aquaculture system?

The seawater factory aquaculture system mainly targets high-quality, high-density, and high value-added varieties. Such as grouper, shrimp, abalone, etc. In order to cope with external factors such as water source pollution and weather changes, the aquaculture system is installed indoors. Treat the ...

October 22, 2024

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