??he process of drying poly aluminum chloride by centrifugal sprayer is as following: mother liquor of poly aluminum chloride is atomized into minimal for fog drip by centrifugal atomizer at the top of drying tower, and then granular products can be formed after drip being dried.  
???This product is suitable for purifying drinking water, city water supply and industrial water supply with advantages of fine powder, even granular, readily soluble in water, excellent flocculent effects, stable and effective purification process, low throwing quantities and cost, etc.