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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News
What is B/C?
B/C is the abbreviation for the ratio of BOD5 to COD, which can indicate the biodegradability of wastewater. If CODNB represents the non biodegradable portion of COD, then the proportion of organic matter in wastewater that cannot be biodegraded by microorganisms can be represented by CODNB/COD. ...
October 19, 2024
What is the role of fillers in wastewater treatment?
The fillers used in water treatment include honeycomb inclined tubes, elastic fillers, filter media, etc., all of which contribute to accelerating the treatment effect of water treatment. Please refer to the following list: 1、 Honeycomb packing: Hexagonal honeycomb packing comes in two types: ...
October 18, 2024
The impact of RO membrane recovery rate on system operation
1、 Standard recovery rate, actual recovery rate, system recovery rate 1, membrane element standard recovery rate: The recovery rate adopted by the manufacturer under standard conditions. Actual recycling rate of membrane components: the manufacturer's recycling rate during actual use. Membrane ...
October 17, 2024
Application of Advanced Oxidation Technology in Difficult to Degradable Organic Compounds
At present, traditional biological treatment techniques are mainly used for organic pollutants in wastewater. However, the effectiveness of some wastewater containing high concentrations and stable chemical structures is not ideal, such as pesticide, papermaking, printing and dyeing wastewater. The ...
October 16, 2024
Calculation method for salt consumption of fully automatic water softener
The fully automatic water softener requires the use of industrial salt for backwashing the resin during operation, so the amount of salt used should be budgeted based on the amount of resin before equipment operation to meet the system backwashing requirements. Calculation process of salt consumptio...
October 15, 2024
Application of Advanced Oxidation Technology in Difficult to Degradable Organic Compounds
At present, traditional biological treatment techniques are mainly used for organic pollutants in wastewater. However, the effectiveness of some wastewater containing high concentrations and stable chemical structures is not ideal, such as pesticide, papermaking, printing and dyeing wastewater. The ...
October 14, 2024
Reasons and solutions for the whitening of activated sludge!
Whitening of sludge is a common problem in the sewage treatment process, which has a negative impact on the effectiveness of sewage treatment and the operation of sludge treatment equipment. The reasons for its occurrence include lack of nutrition, excessive proliferation of filamentous bacteria or ...
October 12, 2024
Before using reverse osmosis membrane, it is necessary to pay attention to these 6 points
1、 Inlet pressure Reverse osmosis equipment uses reverse osmosis membranes for physical isolation. But the raw water requires a certain pressure to pass through the reverse osmosis membrane. And ordinary water pressure is very small. However, the water pressure required to operate the reverse ...
October 11, 2024
What should sewage treatment plants pay attention to in late autumn and early winter?
1、 Microorganisms gradually adapt to the temperature of the surrounding environment during their growth and metabolism, but this adaptation process usually takes a long time. The seasonal transition in southern cities is not obvious, but in the north, after autumn rain, when the environmental ...
October 10, 2024
Why should boiler water be softened? What are the hazards of scale on boilers? Why does boiler water need to be softened?
Why does boiler water need to be softened? In order to ensure the safety and economic operation of the boiler, the boiler feedwater must undergo softening and deoxygenation treatment. Reducing the content of calcium and magnesium salts in water, reducing dissolved gases in water to meet the required ...
October 9, 2024
The role of nanofiltration equipment in water treatment
The nanofiltration membrane of nanofiltration equipment can remove hardness and soften water quality, as well as remove turbidity, chromaticity, and organic matter from water. Nanofiltration equipment for softened water treatment does not require regeneration, has no pollution, and is easy to use. ...
September 30, 2024
What is the difference between ultrafiltration, nanofiltration, and reverse osmosis
Hello everyone, the difference between ultrafiltration, nanofiltration, and reverse osmosis is a new perspective in water treatment. I am an engineer engaged in the design and installation of water treatment equipment. Today, I am here to answer some questions about water treatment equipment for you...
September 26, 2024
Introduction to the principle of gas lift sludge reflux!
The gas lift sludge discharge device has smooth and unobstructed sludge discharge, simple structure, energy saving, adjustable sludge discharge volume, freely arranged sludge discharge points, easy operation, and maintenance free, effectively solving the problems of gravity and sludge pump sludge ...
September 25, 2024
What should be done when the water output rate of the purified water equipment is low?
Recently, a customer has reported a problem of low water output rate after using purified water equipment for a period of time. Today, the editor will provide a detailed answer to this issue: in general, the phenomenon of low water output rate and high pressure in purified water equipment is mainly ...
September 23, 2024
【 Dry goods 】 Poisoning assessment and treatment measures for activated sludge!
In the operation of sewage treatment plants, the phenomenon of activated sludge poisoning is occasionally encountered. Toxic activated sludge exhibits many different forms. The poisoning of activated sludge is usually divided into two types, acute poisoning and chronic poisoning, just like humans ...
September 21, 2024
Regeneration method and process of softened resin
After the internal ion depletion of softened resin, regeneration operation is usually required. Most users are not familiar with regeneration, which shortens the service life of the resin and affects its use. Below, the editor will provide a detailed introduction to the regeneration method of resin. ...
September 20, 2024
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