... formula][AL2 (OH) LnCL6-n]mStandard: the product quality in line with national GB15892-2009 standardAppearance: upscale ... Areas of application of poly-aluminium chloride:1, water: domestic water, industrial water;2, urban wastewater treatment;3, sewage, sludge ... and temperature of water body small, introducing water water purification up to the national standard, the treated water quality Chung Yang, ...