... used in water treatment of drink water, industry water, various industrial waste water, urban sewage, sludge dewatering, etc. 3,Using method and ... also can be used, 5-10% is fit for industry waste water treatment. 2, As to the dosage, it is determined ... .001 Hg content ≤0.00001 4.ApplicationMainly used on various industrial wastewater treatment, such as paper-making wastewater, municipal wastewater, ...