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This post was last edited by hesonchang214 on 2020-4-19 09:18. I. First, let’s take a look at the process involved in ultra-pure water production equipment. 1. Traditional desalination stage: This stage relies primarily on ion exchange technology, with ion exchange resins serving as the key components. 2. Improved desalination stage: Based on reverse osmosis and ion exchange technologies, with reverse osmosis membranes and ion exchange mixed beds as the core components. 3. Green desalination stage: The EDI continuous electrodesalination technology was introduced, combined with reverse osmosis technology, to reduce the high consumption of water treatment materials. 4. Ultrafiltration desalination stage: By replacing traditional pretreatment methods with ultrafiltration technology, along with reverse osmosis and EDI continuous electrodesalination technologies, water treatment becomes more economical and environmentally friendly. Therefore, when choosing industrial ultra-pure water treatment equipment, it is necessary to consider what type of treatment process the manufacturer offers; the choice of treatment process reflects the technical capabilities of the water treatment equipment manufacturer. Where EDI ultra-pure water equipment is available, try to avoid using multi-stage reverse osmosis technology for producing ultra-pure water. II. Material selection for industrial ultra-pure water equipment. At present, the core components of EDI ultra-pure water treatment equipment are still mainly EDI products manufactured abroad. Although some domestic manufacturers also produce domestic EDI products, when compared in terms of overall technical parameters, foreign EDI products have a slight advantage. III. The capabilities of manufacturers of ultra-pure water treatment equipment. The strength of a water treatment manufacturer is a comprehensive index. It is a comprehensive combination of various aspects such as professional qualifications, technical capabilities, product quality, and after-sales service quality.