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Poly Aluminium Chloride

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POLY ALUMINUM CHLORIDE
Spray Dried 30% min
For Drinking Water Treatment
CAS NO. : 1327-41-9
EINECS : 215-477-2
Molecular Formula: [Al2(OH)nCl6-n.xH2O] m
DESCRIPTION:
Poly aluminum chloride is a kind cheap and nontoxic inorganic high molecular inorganic polymer coagulant, English abbreviation PAC, due to the hydroxyl ions and bridging role of the anionic polymerization and the production of molecular weight of bigger, charge higher inorganic polymer water treatment agent. In shape and can be divided into two kinds of solid and liquid. Solid according to the different color is divided into brown, beige and gold yellow and white liquid can be rendered as colorless transparent, micro yellow, light yellow to brown.
There is also a big difference in the application and production technology of the different color of the polymer aluminum chloride.
It is easily soluble in water. In the hydrolytic process, it is accompanied with the chemical processes such as electrochemisty, coagulation, absorption and precipitation.
The product has the features including wide applicable range of PH value, large granule and quick speed in sedimentation.
It is widely applied for drinking water treatment
Specification:

Appearance: Light Yellow Powder
AL2O3: 30% min

Basicity: 40-90%
Water insoluble:0.5%max

PH : 3.5-5.0

As : 0.0002% max

Pb :
0.001% max

Cd :0.0002% max

Hg :
0.00001% max

Cr6+ :0.0005% max
THE USE OF POLY ALUMINIUM CHLORIDE
1-RE CHARACTERISTIC OF PAC
A)-Wide range use of PAC
Suitable for more kinds of water treatment such as drinking water and industrial water
B)- Good precipitating
It can be easily made an big sediment to precipitate sooner
C)-Suitable for wide range of PH value from 6 to 9
D)-Keep steady precipitating
When the water temperature is higher or lower
E)-keep alkalinity
Alkalinity is higher more than Aluminium sulfate
And little corrosion for the equipment
2-RE DOSING OF PAC
The PAC solid powder should mix into water solution before use According to 1 (PAC) to 3 (WATER) proportion, Then put into water for treatment:
The total reference dosing: 50g-200g/m3 for industrial water
The water turbid of original: 100-500mg/I
The dosing will be: 3-6mg/I
Also should be tested in the small trial before bulk used
PACKING :
25kgs net PP bag inner PE bag

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