What is an Ion Exchange System and the Characteristics?

Ion exchange system is a kind of traditional water treatment technology which displaces all kinds of anion and cation in water by anion and cation exchange resin. The anion and cation exchange resins can be combined in different proportion to form cation exchange bed system, anion exchange bed system and mixed bed ion exchange system. The mixed bed ion exchange system is usually used to produce ultra pure water and high pure water after water treatment processes such as reverse osmosis. It is one of the irreplaceable means to prepare ultra pure water and high pure water.

The conductivity of the effluent can be lower than 1uS/cm, and the resistivity of the effluent can be more than 1 MΩ.cm. According to different water quality and use requirements, the water resistivity can be controlled between 1~18 MΩ.cm. It is widely used in the preparation of industrial ultra pure water and high pure water, such as electronic, electric power ultra pure water, chemical and electroplating ultra pure water, boiler make-up water and medical ultra pure water.


1. Industrial ultra pure water treatment process is one of the most widely used processes in the preparation of industrial ultra pure water.
2. The ion exchange resin for food industry can be used in the industrial devices of sugar making, monosodium glutamate, wine refining, biological products, etc.
3. Ion exchange resin in pharmaceutical industry plays an important role in the development of new generation antibiotics and the improvement of the quality of the original antibiotics. The successful development of streptomycin is an outstanding example.
4. In the organic synthesis of synthetic chemistry and petrochemical industry, acid and alkali are often used as catalysts for esterification, hydrolysis, transesterification, hydration and other reactions.
5. The metal ions in electroplating waste liquid and the useful substances in the waste liquid of film making are recovered.
6. Hydrometallurgy and other ion exchange resins can separate, concentrate and purify uranium from depleted uranium ores and extract rare earth elements and precious metals.


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Bio-Pharmaceutical & Life Science
Modern biopharmaceutical technologies typically use biological microbial fermentation...
Chemical Industry
Purification of chemical compounds has become a vital part of most industrial processes.
Drinking Water Treatment
Drinking water is essential to life. Every day every human being has to drink and use water for food preparation.
Food & Beverage Industries
Food is closely related to everyone, and the finishing of food comes from people's relentless pursuit...
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Hydrometallurgy is a technique for extractive metallugry involving the three general area...
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Sunresin is the major DLE lithium sorbent producer in China which mainly used for extraction lithium from salar brine and geothermal brine etc with high efficiency.
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There are many uses of water in industry and, in most cases, the used water also needs treatment to render...
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Plant Extraction is a process to gather the trace bioactive compounds from the tissue of a plant.
VOCs Treatment
With the widespread use of chemical products in the industry, more and more organic...
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Wastewater treatment is the process of converting wastewater into an effluent that can be discharged
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2024 01
 Sunresin has been selected for the Hang Seng China A Specialised & Sophisticated 50 Index
On January 22, Hong Kong's Hang Seng Index Company launched the "Hang Seng China A Specialised & Sophisticated 50 Index", and Sunresin (300487.SZ) was successfully selected as a constituent stock. As of January 12, 2024, the proportion was 2.78%.
2023 11
 Sunresin Participates in Morgan Stanley 22nd Annual Asia-Pacific Summit
Sunresin, a leading technology company, was invited to attend Morgan Stanley's 22nd Asia-Pacific Summit in Singapore from November 15th to 16th. This summit is a pivotal conference for institutional investors in the Asia-Pacific region.
2023 11
 Sunresin won the 2023 Forbes Asia Top 200 and was invited to attend the award ceremony
On November 21, the Forbes Asia Best Under A Billion Forum & Awards Dinner was held in Manila, Philippines. We are proud to announce that Dr. Gao Yuejing, chairwoman of Sunresin, has been invited to attend the award ceremony and has received for the second time this honor since 2020.

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