Quartz sand filter and activated carbon filter with use
quartz sand filter to remove suspended solids in water generally impurities, and the water absorption of activated carbon filter material, adsorption saturation, if you need to clean or regeneration. The quartz sand filter, need only backwash is ok, so to protect activated carbon and activated carbon filter, quartz sand filter is placed in front of the activated carbon filter commonly so to protect the activated carbon filter. Prolong the service life of activated carbon. If further improve water quality, water can increase precision filter or in activated carbon filter, bag filter, because of the high precision filter and bag filter precision, can effectively remove impurities of further, but also can prevent tiny tiny activated carbon. This process will be more perfect.