1. It is a flocculant, mainly used for special water quality treatment for purifying drinking water and water supply, such as iron removal, adioactive pollution removal, floating oil removal, etc. Also used for industrial wastewater treatment, such as printing and dyeing wastewater. In addition, it is also used in precision casting, medicine, paper making rubber, leather making, petroleum, chemical industry, and dyestuffs.
2. Polyaluminum chloride is used as water treatment agent in surface treatment.
3. As the main raw material of antiperspirant cosmetics.