Polyaluminum ferric chloride is organically compounded with aluminum salt and iron salt through a high temperature and high pressure production process in the presence of a catalyst. The product is stable and the water purification effect is good.
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Index name |
Index |
|
|
Liquid
|
Solid
|
|
|
Density (20℃), g/cm3 ≥ |
1.06 ～1.40 |
—— |
|
pH value (10g/L aqueous solution) |
3.5～5.0 |
|
|
Mass fraction of alumina (with Al2O3),% ≥ |
≥10.0 |
29.0 |
|
Mass fraction of iron (Fe2O3), % ≥ |
0.5 |
1.5 |
|
Basicity,% |
40.0 ～90 .0 |
|
|
Mass fraction of insoluble matter, % ≤ |
0.2 |
0.6 |
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Arsenic (calculated as As) content, % ≤ |
0.0002 |
|
|
Mass fraction of lead (Pb), % ≤ |
0.001 |
|
|
Mass fraction of cadmium (Cd), % ≤ |
0.0002 |
|
|
Mass fraction of mercury (Hg),% ≤ |
0.00001 |
|
|
Mass fraction of hexavalent chromium ( Cr+6 ), % ≤ |
0.0005 |
|
|
Note: the liquid product listed in the table of As , Pb , of Cd , Hg , of Cr+6 are by of Al2O3 10% calculation , of Al2O3 content ≠ 10% when , solids content of the product should be translated into actual of Al2O3 For 10% products , calculate the index of various impurities. |
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