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Polymerizing aluminum chloride, short for PAC, is a kind of inorganic macromolecular coagulant.
Features:
It is yellow or canary solid powder, dissolving in water. It has the characters of high activity and fast precipitation. The PH value range is wide without any corrosion effect to pipeline.
Use:
It is mainly used in the purification and treatment of drinkable water, industrial sewage and special water, such as oily sewage, waste water of dyeing, printing and paper-making, smelting sewage, etc. It also can be used in oil drilling, tanning, smelting and paper-making industries.
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| Technical index |
Item |
Solid(Ⅰtype) |
(Ⅱtype) |
Top grade |
First grade |
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Aluminum chloride(Al2O3)content,% |
≥30.0 |
≥28.0 |
≥27 |
Basicity,% |
40－90 |
40－90 |
40－90 |
Water-insoluble content,% |
≤0.3 |
≤1.0 |
≤1.5 |
PH(1% water solution) |
3.5－5.0 |
3.5－5.0 |
3.5－5.0 |
Ammoniacal nitrogen(N)content,%≤ |
0.01 |
GB15892-2003 |
(As)content,%≤ |
0.002 |
(Pb)content,%≤ |
0.001 |
(Cd)content,%≤ |
0.0002 |
(Hg)content,%≤ |
0.00001 |
(Cr6＋)content,%≤ |
0.0005 |
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Using methods:
1,Mix it and water as the proportion of 1:3 (weight) and stir for 30 minutes. When the product is fully dissolved, add 30-40 times water to dilute it. The more the solution adding, the better the purification effect has. The diluted solution might be used up in 8 hours as well.
2,According to the different turbidity and season of raw water, the most proper adding amount is 5－8kg/KT for (500°)turbidity. It is better to test before using and then use.
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Dosage:
Raw water turbidity |
100－250 |
400－500 |
1000－5000 |
7500 |
Dosage(kg/kT) |
4 |
8 |
15 |
20 |
Turbidity |
3 |
5 |
6 |
8 |
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Packing and storage:
1,The lining is polyvinyl chloride plastic foil, the outer layer is polypropylene woven bag with the net weight is 25kg.
2,Storage Stored at cool and dry place, avoiding rain. Far from toxic, flammable and corrosive products.
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