... aluminum, chrome, degreasing, removing turbidity and heavy metal salts, with the exception of radioactive contaminants in the water purification process ... drinking water, sewage; 2, industrial water purification, industrial wastewater, mining, oil field injection water, making water purification, metallurgy, coal washing ... 3.5-4Water insoluble≤1.01.0 HDLL with SGS certification for water treatment PAC