... range of pH values, making it widely used in drinking water, industrial water, industrial wastewater, and urban sewage purification treatment. •SpecificationParametersLiquidSolidTotal Iron ... Ferric Chloride,Poly Ferric Sulphate,Ferrous Sulphate,Coalbased Activated Carbon,Coconut Shell Activated Carbon,Woodbased Activated Carbon,Anthracite Filter Media,Walnut Shell Filter ...