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Multi-media filter

Multi-media filter is a process in which a turbidity-rich water is passed through a certain thickness of granular or non-granular material under a certain pressure to effectively remove suspended impurities to clarify water. The filter materials include quartz sand, anthracite, manganese sand, etc., which are mainly used for water treatment to remove turbidity, softened water, pre-treatment of pure water, etc.,

For drinking water, it is generally prohibited to use anthracite, resin and other filter materials.

The quartz sand filter is a filter that uses quartz sand as a filter material. It can effectively remove suspended solids in water and remove obvious pollutants such as colloid, iron, organic matter, pesticide, manganese, bacteria and virus in water. It has the advantages of small filtration resistance, large specific surface area, strong acid and alkali resistance, oxidation resistance.

activated carbon filter is used for removing color, taste, residual chlorine and organic matter. Its main mode of action is adsorption. Activated carbon is an artificially made adsorbent.
Activated carbon filters are widely used in the pretreatment of water in domestic water and food industry, chemical industry, electric power and other industries. Since activated carbon has a well-developed pore structure and a large specific surface area, it has a strong adsorption capacity for dissolved organic substances in water such as benzenes and phenolic compounds, and is organic which is difficult to remove by biological and chemical methods. Contaminants such as color, odor, surfactants, synthetic detergents and dyes all have good removal effects.

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