... industrial wastewaterSpray dried poly aluminium chloride PAC 3A can be widely applied in precise casting,paper ... a) Spray dried poly aluminium chloride PAC 3A is obviously effective in purifying high turbid water ... .c) Spray dried poly aluminium chloride PAC 3A has fast flocculating rate, small corrsiveness and low ... 24.19SO2- %, ≤ -- -Ammoniacal nitrogen %, ≤0.01 0.01 0.01 0.01 Fe, %, ≤ 2.0-3.02.0-3.00 ...