... Light yellow amorphous powder solid, it is easily soluble in water, 10%(by weight) water solution is red brown ... property of hygroscopicity. 2, Usage It is widely used in water treatment of drink water, industry water, various industrial ... 4.ApplicationMainly used on various industrial wastewater treatment, such as paper-making wastewater, municipal wastewater, oily wastewater, beneficiation wastewater, ...