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This post was last edited by hesonchang214 on 2020-2-21 08:49. The primary water pump serves as the power source that enables the proper operation of the pretreatment system; it increases pressure in order to ensure the proper functioning of subsequent equipment. The pump is equipped with a high-temperature overload protector and a pressure controller, which provide automatic alarm in the event of a fault. Multi-media filter: It uses quartz sand as the filtering medium to remove larger suspended particles, sediment, impurities, and iron ions from the raw water, thereby reducing the turbidity of the water. Activated carbon filter: Utilizing the adsorption capacity of activated carbon, it effectively removes organic substances, free residual chlorine, colloids, particles, microorganisms, certain metal ions from raw water, as well as achieving color removal. It is widely used for purifying water intended for use in lakes and industries such as the food industry, chemical industry, and power generation, as well as for chlorination removal, oil removal, and deodorization. Water softener: To prevent scaling on the surface of the reverse osmosis membrane, it is necessary to reduce the hardness of the raw water; therefore, a water softener is installed before the reverse osmosis system to lower the hardness of the raw water (with the total hardness generally kept below 50 mg/L). Security filter: Uses 5μm PP filters to remove fine suspended particles, sediment, impurities, and other substances from the raw water. High-pressure pump: Provides the power needed for the proper operation of the reverse osmosis system, thereby increasing pressure to ensure the proper functioning of subsequent equipment. Reverse osmosis system: Reverse osmosis involves applying sufficient pressure to a solution so that the solvent (usually water) is separated from the solution through a reverse osmosis membrane. The permeate is drawn out from the central collection tube, while impurities such as ions, organic substances, bacteria, and viruses that fail to pass through flow out from the concentrated water side, thereby achieving separation and purification. Reverse osmosis technology can be used to separate, purify, and concentrate solutions.