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Zero discharge of sodium nitrate wastewater in the catalyst industry: Ultrafiltration + secondary reverse osmosis + EDI + electrodialysis process

Zero discharge of sodium nitrate wastewater in the catalyst industry: Ultrafiltration + secondary reverse osmosis + EDI + electrodialysis process

2025-08-22

Through a series of closely coordinated processes including ultrafiltration, secondary reverse osmosis, EDI and electrodialysis, the catalyst industry has achieved the goal of zero discharge of sodium nitrate wastewater. Not only does it efficiently remove pollutants from wastewater and recycle water resources, but it also concentrates and recovers valuable salts such as sodium nitrate for reuse

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Electrodialysis has been successfully applied to the project of 10m/h of gamma-aminobutyric acid stock solution for desalination and concentration

Electrodialysis has been successfully applied to the project of 10m/h of gamma-aminobutyric acid stock solution for desalination and concentration

2025-08-20

The industrial project of desalinating and concentrating the original solution of gamma-aminobutyric acid (GABA) by electrodialysis technology has achieved a complete success. The raw liquid flow rate processed by this project is as high as 10m³/h, marking a major breakthrough in the field of high-flow and continuous biological product refining through electrodialysis technology

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Practical application of nitrogen and fluorine removal technology for flue Gas Washing Wastewater in the Thermal Power, heating and coal-fired Boiler industries

Practical application of nitrogen and fluorine removal technology for flue Gas Washing Wastewater in the Thermal Power, heating and coal-fired Boiler industries

2025-08-15

In the field of flue gas washing wastewater treatment for coal-fired boilers in the thermal power and heating industries, Huanke Environmental Protection, with its profound understanding of nitrogen and fluorine removal technologies, has innovatively designed a combined system of ammonia nitrogen stripping towers, Lanmeila sedimentation tanks, and breakpoint chlorination processes, providing an efficient solution for the treatment of high-concentration nitrogen pollutant wastewater.

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Membrane separation: Green and efficient acid recovery for rare earth metallurgical leachate

Membrane separation: Green and efficient acid recovery for rare earth metallurgical leachate

2025-08-13

Rare earth/metallurgical leachate contains 5% to 15% free acid and a large number of metal ions. Traditional treatment methods result in a waste of resources. Membrane chromatography can recover over 80% of free acid, which can be reused after simple treatment. For instance, in the rare earth leaching solution, over 85% of phosphoric acid can be recovered while over 90% of rare earth ions are retained, achieving a "acid-metal" dual cycle.

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Electrodialysis experimental machine: Technical Practice of Concentrating and purifying Waste acid

Electrodialysis experimental machine: Technical Practice of Concentrating and purifying Waste acid

2025-08-11

The electrodialysis testing machine has significant advantages in the field of waste acid concentration and purification. It can efficiently concentrate and purify waste acid, reducing energy consumption and pollution.

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Electrodialysis: The "Resource Revolution" for Chemical/Pharmaceutical Wastewater, the Breakthrough from pollution Control to Recycling

Electrodialysis: The "Resource Revolution" for Chemical/Pharmaceutical Wastewater, the Breakthrough from pollution Control to Recycling

2025-08-06

Electrodialysis is reshaping the wastewater treatment model in the industry, from pollutant removal to resource recycling, from high energy consumption to green manufacturing. It not only solves environmental protection problems but also creates economic value. With continuous technological breakthroughs, it will play a core role in the field of zero discharge of industrial wastewater and drive the industry towards sustainable development.

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