Pressure Quartz Sand Filter For Water Pretreatment HUATAO quartz sand filter is mainly used to remove quartz sand, organic matter, color and residual chlorine from water. It can effectively ensure the lifetime of ion exchange resin, improve the quality of effluent water, and prevent resin poisoning and pollution when used as a pre-treatment system for ion exchange. The Pressure Quartz Sand Filter,is one type of Multi Media Filter for Liquid Filtration. Besides,we can also supply Shallow Sand Filter, Automatic Self-Cleaning Filter,Basket Filter, Bag Filter,Automatic Back Flushing Filter etc. Technical Parameters Items Value Inlet water turbidity < 20FTU Effluent turbidity < 3FTU Working pressure…