The pure water equipment used for water electrolyte solvents mainly uses different combinations of EDI deionized water manufacturing methods such as reverse osmosis and ion exchange. The adjustment modules are replaced to meet the demand for water. The electrolyte solvents of process water equipment are roughly divided into the following categories: 1. Reverse osmosis pure water: raw water raw water pressure pump → → multi-media filter activated carbon filter → → → precision filter water softener → → PH adjustment first stage reverse Permeate water tank→→Intermediate second stage reverse osmosis (RO membrane surface is positively charged)→Purified water pure water pump→→→Water point microporous filter pure water equipment electrolyte solvent pure water preparation process classification and advantages and disadvantages analysis advantages and disadvantages : Using two-stage reverse osmosis equipment, it is characterized by the method of initial dosing of ion exchange resin, which can achieve high efficiency in the process, but does not regenerate the resin. The disadvantage is that with the original piece to be cleaned or replaced regularly, the water is not too high, relatively speaking, the best can be around 1us/cm, so there is no need for higher quality when reverse osmosis is often used and then mixed behind the bed ( Yin and yang return to bed) examination. EDI equipment 2, EDI electrodeionized water preparation: electrolyte solvent pure water preparation process classification and advantages and disadvantages analysis raw water raw water pressure pump → → multi-media filter activated carbon filter → → → precision filter soft water reverse osmosis machine → → → Intermediate water tank Intermediate water pump → EDI system → → Water point microporous filter Advantages and disadvantages: Reverse osmosis pretreatment matched electrodeionization (EDI) equipment, it is currently preparing the most economical and environmentally friendly water production process without Acid-base regeneration can be a continuous preparation of pure water without damaging the environment. The disadvantage is that the initial investment is too expensive compared to the above two methods. 3. Preparation work for ion exchange water: raw water raw water pressure pump → → multi-media filter activated carbon filter → → → → precision filter soft water cation resin anion resin filter bed → filter bed → yin and yang mixed bed resin microporous filter → → Advantages and disadvantages of using water point: Using ion exchange resin has the advantage of low initial investment, but the disadvantage is that it requires frequent ion regeneration, consumes a lot of acid, but also damages the environment to a certain extent. Conclusion: Traditional industrial water preparation usually uses ion exchange resin extraction. The disadvantage is that it requires ion exchange resin. After years of practice, Kerui combined membrane separation technology, reverse osmosis and ion exchange system (EDI or) combined with pure water preparation, For example, compared with the traditional process, the operating cost is reduced (the ion exchange regeneration cycle is greatly extended), and the stability of the water is greatly improved. At the same time, manufacturing costs are reduced and building materials are easily available.

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