The single-stage reverse osmosis + EDI pure water equipment combines the efficient desalination capacity of reverse osmosis (RO) with the deep purification function of EDI (electrodeionization). It can stably produce high-purity water with a resistivity of 15-18.2MΩ・cm, and is widely used in multiple fields with high requirements for water quality, specifically as follows:
1. Electronics and semiconductor industry Core requirement: High-purity water should avoid contamination of precision electronic components by ions, particles, organic substances, etc. Application scenarios: - Cleaning, etching, and photolithography processes for semiconductor chips and integrated circuits; - Production and cleaning of electronic components (such as capacitors and resistors); - Manufacturing processes of liquid crystal displays (LCD) and photovoltaic solar panels, used for glass substrate cleaning, coating solution preparation, etc.
2. Pharmaceutical and biopharmaceutical industry Core requirement: Purified water that meets pharmacopoeia standards (such as the Chinese Pharmacopoeia and USP) for preparations, sterile production, etc. Application scenarios: - Preparation of water for injection and oral liquid preparations; - Medium preparation and equipment cleaning in biological fermentation and vaccine production; - Water for medical equipment (such as dialysis machines).
3. Power industry (thermal system) Core requirement: Water with low hardness and low ion content to prevent scaling and corrosion of thermal equipment. Application scenarios: - Boiler feed water treatment in thermal power plants and nuclear power plants; - Precision treatment of cooling circulating water for steam turbines and condensers.
4. Chemical industry and new materials industry Core requirement: High-purity water as a reaction medium or solvent to avoid impurities affecting chemical reactions or product purity. Application scenarios: - Fine chemicals (such as pharmaceutical intermediates and catalyst production); - Preparation of new materials (such as nanomaterials, lithium battery electrolytes, and special coatings); - Dilution, washing of chemical products, and water for analytical experiments.
5. Food and beverage industry Core requirement: Purified water that meets food safety standards, removing microorganisms, heavy metals, organic substances, etc. from raw water. Application scenarios: - Production water for beverages (such as pure water, fruit juice, and beer); - Processing and equipment cleaning of canned foods and dairy products; - Preparation and dilution of food additives.
6. Laboratory and analytical testing field Core requirement: Ultrapure water for high-precision experiments to avoid interfering with test results. Application scenarios: - Chemical analysis and biological experiments in universities and research institutions; - Water for instruments (such as ICP-MS and HPLC) in environmental monitoring and water quality testing; - Reagent preparation and sample processing in medical testing.
7. Other special fields - Advanced treatment after seawater/brackish water desalination to meet the needs of high-purity water for industrial or drinking purposes in islands and arid areas; - In cosmetics production, high-purity water is used for the preparation of emulsions, essences and other products to avoid skin irritation caused by impurities; - Water for processes such as electrophoretic coating and precision component cleaning in the automobile manufacturing industry. The core advantages of such equipment lie in the fact that it does not require acid-base regeneration (compared with traditional mixed beds), can continuously and stably produce high-purity water, has a high degree of automation, and is suitable for scenarios with high requirements for water quality stability and environmental protection.
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