Aluminium polychlorid (PAC)
Molecular formula : [Al2(OH)nCl6-n]m (n<5,m>10) .
Appearance : faint yellow power , water-soluble, the solution is yellow transparent or translucent liquid . It has a strong adsorptivity.
PAC is widely used in China and other developed countries , and will rapidly took the place of alum , ferric chloride and other traditional water treatment chemicals.
Application
PAC is mainly used for treatment of drinking water , industrial water and sewage, industrial waste water (such as chemical, printing industry wasted ) .
Advantages
1. Our product is of high purity and stable quality .
2. Wide range of application , can achieve good results to the treament of a variety of wastewater .
3. No only It’s do good at urban sewage treatment , but also it costs 50% less than CPAM .
4. Do good at dephosphorization for urban sewage treatment .
5. Suitable for wide range of PH (5---9) , and the PH value of the treated water drop small , has small corrosion to equipments and pipelines .
6. It can keep on a good performance when the temperature is low .
7. A small dosage can achieve a good effect.
Specifications
|
Item
|
liquid
|
soild
|
Remarks
|
||
|
High-class
|
First-class
|
||||
|
Al2O3%
|
≥10
|
≥32
|
≥29
|
liquid
|
solid
|
|
alkalinity B
|
≥50
|
65-90
|
65-90
|
appearance
|
|
|
PH
|
3.5-4.5
|
≥5
|
≥5
|
Yellow
cream
|
Yellow
powder
|
|
Pb PPM
|
≤2
|
≤5
|
≤12
|
||
|
Cr(+6)
|
≤2
|
≤4
|
≤4
|
||
|
AS
|
0
|
0
|
0
|
||
|
Cd
|
0
|
0
|
0
|
||
|
Hg
|
0
|
0
|
0
|
||
|
Water-insoluble %
|
≤0.2-0.5
|
≤0.5
|
≤1.0
|
||
|
Other harmfull substance
|
compliance to national standards
|
same
|
same
|
||