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High purity water equipment, ultra pure water equipment, as a secondary desalination equipment after reverse osmosis equipment, can produce up to 10-18.2M Ω CM is widely used in the microelectronics industry, semiconductor industry, power generation industry, pharmaceutical industry, and laboratories. It can also be used as distilled water for pharmaceuticals, water for food and beverage production, supply water for boilers in power plants, and other applications of high-purity water.
The EDI high-purity water equipment, as a device for producing ultrapure water and a secondary desalination device after reverse osmosis equipment, can produce up to 10-18.2 M Ω CM is widely used in the microelectronics industry, semiconductor industry, power generation industry, pharmaceutical industry, and laboratories. It can also be used as distilled water for pharmaceuticals, water for food and beverage production, supply water for boilers in power plants, and other applications of high-purity water.
Continuous Electro deionization (EDI) or CDI, continuous electrode ionization), It is the process of using mixed ion exchange resin to adsorb anions and cations in water, and at the same time, these adsorbed ions are removed through the cation exchange membrane under the action of direct current voltage. The ion exchange resin in this process is electrically regenerated continuously, so there is no need to use acid or alkali for regeneration. This new technology can replace traditional ion exchange devices and produce ultrapure water up to 18M-CM. EDI can be described more clearly as follows: EDI uses a symmetrical stacking of cation and anion membranes, with anion and cation resins sandwiched between them, and exchanges anions and cations under the action of DC voltage. Meanwhile, under the action of voltage gradient, water undergoes electrolysis to produce a large amount of H+and OH -, which continuously regenerate the anions and cations in the ion membrane. Due to the continuous exchange and regeneration of EDI, the purity of pure water is increasing, making it easy to produce high-purity water.
High purity water equipment is a professional tool for preparing ultrapure water by combining reverse osmosis technology and ion exchange technology. It adopts a microcomputer intelligent program control system, which can automatically detect and display water quality; Ensure water output while obtaining high-quality water production.
The EDI process system of high-purity water equipment selects water that has undergone a first reverse osmosis desalination as the inlet, and then undergoes secondary desalination through ion exchange resin in the EDI module; This can make the pure water production process continuous, replacing the traditional DI mixed resin bed method for producing deionized water and avoiding the use of acid-base regeneration; While significantly reducing the cost of acid-base inputs, it can also effectively avoid environmental pollution. Can continuously and stably produce high-quality pure water without stopping due to resin regeneration; No pollutant emissions, which is both environmentally friendly and saves investment in waste liquid treatment.
Water quality indicators and industry recommendations for pure and high-purity water:
Water quality indicators |
Recommended industries for use |
Conductivity ≤ 10 μ S/CM |
Animal drinking water (pharmaceutical), ordinary chemical raw material ingredient water, food industry ingredient water, sand washing industry, ordinary electroplating industry rinsing deionized water, textile printing and dyeing desalination pure water, polyester slicing pure water, fine chemical water, civilian drinking pure water, and other water with the same water quality requirements |
Conductivity ≤ 4 μ S/CM |
Production water for electroplating chemicals, surfactant production water for chemical industry, medical purified water, pure water for Baijiu production, pure water for beer production, pure water for civil drinking, production water for ordinary cosmetics, water for blood dialysis pure water machine, and other water with the same water quality requirements |
The resistivity is 5-10M Ω CM |
Lithium battery production water, battery production water, cosmetics production water, pure water for power plant boilers, chemical plant ingredient water, and other water with the same water quality requirements |
Electrical resistivity: 10~15M Ω CM |
Animal laboratory water, glass shell coating rinsing water, pure water for electroplating, coated glass water, imported machine addition water, and other water with the same water quality requirements |
The resistivity is ≥ 15 M Ω CM |
Sterile water for pharmaceutical production, oral liquid water, deionized water for advanced cosmetics production, coating water for the electronics industry, cleaning water for optical materials, pure water for the electronic ceramic industry, pure water for cutting-edge magnetic materials, and other water with the same water quality requirements |
The resistivity is ≥ 17 M Ω CM |
Softened water for magnetic material boilers, sensitive new material water, semiconductor material production water, cutting-edge metal material water, anti-aging material laboratory water, non-ferrous metal and precious metal smelting water, sodium grade new material production water, aerospace new material production water, solar cell production water, crystal wafer production water, ultra pure chemical reagent production water, laboratory high-purity water, and other water with the same water quality requirements |
The resistivity is ≥ 18 M Ω CM |
ITO conductive glass manufacturing water, laboratory water, electronic grade dust-free cloth production water, and other water with the same water quality requirements |
The website images are for reference only. The water treatment equipment is a customized product for processing, and the specific configuration can be confirmed through detailed communication according to the actual needs of the customer.
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