Polyaluminum Chloride
CAS No.: 1327-41-9
Molecular formula: [AL2(OH)nCL6-n]m, (1≤ n ≤5,m ≥ 10)
Technical standard: GB15892-2003
Manufacturing process: Spray drier type
Appearance: Yellow powder
AL2O3(%):30±1
Basicity (%):65-85
Water insoluble, %≤: 0.5
PH value: 3.5-5
Arsenic (As), ppm ≤: 5.0
Manganese (Mn), ppm≤: 75
Cadmium (Cd), ppm≤: 6.0
lead (Pb), ppm≤: 30
Mercury (Hg), ppm≤: 0.2
Chromium (Cr), ppm≤:15
Ammonia Nitrogen(N), %≤: 0.03
PAC is a kind of inorganic macromolecule flocculant. Through the hydroxyl ion bridging function and the polyvalent anion polymeric function, it produces large molecular and high electricity inorganic macromolecule. It adapts a wide PH range of 5.0~9.0, and the best is between 6.5~7.6.