... :2.0-3.0 •IntroductionPoly Ferric Sulphate for Drinking Water Poly ferric sulfate is a new high efficiency inorganic ... range of pH values, making it widely used in drinking water, industrial water, industrial wastewater, and urban sewage purification treatment. • ... ≤0.15 •ApplicationIt is widely used in drinking water, various industrial waste water,such as paper-making wastewater, municipal wastewater ...