... unchanged.Areas of application of poly-aluminium chloride:1, water: domestic water, industrial water;2, urban wastewater treatment;3, sewage, sludge, ... the influence of PH value and temperature of water body small, introducing water water purification up to the national standard, the ... management; No corrosive effect on the water equipment and piping.Scope1, the adapt water pH value range for 5-10, ...