... treatment of drink water, industry water, various industrial waste water, urban sewage, sludge dewatering, etc. 3 ... fully hydrolyzed, standing to a reddish brown liquid, and then diluted water to the desired ... be used, 5-10% is fit for industry waste water treatment. 2, As to the dosage, ... that of solid aluminum sulfate. If it is liquid product, decided according to the pharmacy concentration calculated ...