Multi-media filters can be divided into mechanical filters and activated carbon filters. Used to remove suspended solids and mechanica impurities in water, and can be used for softening. Desalination Electrodialysis.
Pretreatment of reverse osmosis system, treatment of surface water such as rivers and lakes, and coagulation equipment can be used to treat industrial water supply and domestic water.
Activated carbon filters can also be used for further purification of tap water to remove on trace organic matter such as taste, color, phenol and some heavy metal ions, improve the quality of drinking water