The reverse osmosis method separates the entire process without heating and without any changes; Low energy consumption; The machine equipment is small in size, easy to operate, and has strong adaptability; Not causing environmental pollution to the natural environment.

Pure water treatment equipment can be divided into manual (also economical and practical) and fully automatic types based on application conditions. The difference only depends on the backwashing level of the pure water machine. The economical and practical pure water machine uses manual backwashing valves, while the fully automatic pure water machine uses computer-controlled backwashing valves. In addition, pure water machines can be divided into cabinet top and cabinet bottom types based on their application characteristics, and their functions are the same. According to the application style, it can also be divided into separate and integrated types. The separate type occupies a relatively large area, and the water storage bucket and the overall body are separated; Integrated refers to the server and water storage bucket being placed together, occupying a small area and beneficial for cleaning, with a unique appearance design. Different choices can be made based on the specific situation of different customers.

The key part of the reverse osmosis purified water system is the reverse osmosis membrane, which is also an important factor in determining the water yield. However, the quality of the pre-treatment process of the reverse osmosis system (also known as the preparatory treatment system) is crucial for determining the smooth operation of the reverse osmosis system. The reverse osmosis purified water system selects different processing techniques based on different raw water bodies. After being treated with a primary reverse osmosis system, the conductivity of the water produced in general drinking water is less than 10% μ S/cm, after passing through the secondary reverse osmosis system, the conductivity of the produced water is less than 5 μ S/cm or even lower, the addition of ion exchange machine equipment or EDI equipment after the reverse osmosis system can produce ultra pure water systems, making the resistance reach 18 megaohms and 25 ℃ (approximately 0.056) μ S/cm). The mixed bed ion exchanger, commonly known as cation resin, is a device that fills a certain proportion of anionic and cationic epoxy resin into the same exchanger. By utilizing the selective absorption of anionic and cationic ions in water through the use of anionic and cationic epoxy resin, the anionic and cationic ion exchange method is carried out in a uniform mixing situation. After the mixed ion exchange method is used, the exchange reaction of anionic and cationic ions in water is basically carried out separately, and the resulting H+and OH - cations immediately generate H2O. The exchange reaction is carried out very completely, and the effluent water body is good. Therefore, the mixed bed is generally connected in series behind the reverse osmosis or first stage compound bed desalination system for the production of purified water or industrial pure water.

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