How to control the amount of PAC products how to control the amount of PAC products added. In the purification of industrial wastewater, how to add PAC to achieve the desired effect? Add a small amount of floc does not subside, add more, the upper water turbidity, can not be clear water, Gongyi Hongda to provide you with the most suitable addition ratio. Polyaluminum chloride is an inorganic polymer coagulant, also referred to as poly aluminum, English abbreviation PAC, due to the bridging effect of hydroxyl ions and the polymerization of polyvalent anion produced by the larger molecular weight, charge Higher inorganic polymer water treatment agents. The morphology can be divided into two kinds of solid and liquid, and solid by color is divided into different colors of brown, yellow and white, different colors of aluminum chloride in the application and production technology is also a big difference.