Due to the diversification of water pollution, impurities in water are increasing. Ultra pure water equipment is a type of water purification equipment. What water impurities can purified water equipment handle? The following section will provide you with detailed instructions.

1. Particle matter

Many places are easy to produce. Although some methods can achieve high electrical resistivity, they cannot effectively remove particles. This will lead to pinholes, short circuits, open circuits, and other defects in semiconductor devices. To remove particulate matter, only membrane filtration can be used. The standard microporous membrane pore size is 0.45 μ m. Commonly used to remove colloidal iron, colloidal silicon, etc.

2. Dissolve inorganic salts

Sodium, calcium, and magnesium salts dissolve in water to form positive ions. When water containing these ions washes away semiconductor devices, these impurities will diffuse to the surface of integrated circuits, causing circuit short circuits, such as organic pollutants, inorganic salts, additives, and various impurities. Water that meets the hygiene standards for drinking water is raw water.

3. Disinfection

Regularly disinfect the water supply network of ultra pure water equipment using a high concentration ozone water machine to prevent microbial growth in the secondary water supply system. The system includes an ozone section, an oil-free air compressor, etc. For a specific pure water system, the long-term stability of its performance requires weekly disinfection, which is an important step.

4. Dissolve organic matter

Industrial emissions of pollutants include dirt, cleaning agents, biodegradable substances, and microorganisms. These can be removed by adsorption with activated carbon. Because activated carbon itself produces impurities, the carbon bed is earlier than ion exchange resin. It must be noted that the water entering the resin bed is first removed from the organic matter, as ion exchange resins are easily contaminated by organic matter.

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