Specification of Polyaluminium Chloride PAC for Industry Water Treatment
Product Description:
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Chemical Information |
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Product Name (English) |
Polyaluminium Chloride (PAC) |
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CAS Number |
1327-41-9 |
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Molecular Formula |
[Al2(OH)nCl6-n]m |
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EINECS Number |
215-477-2 |
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Type |
Inorganic Polymer Coagulant |
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Basicity |
Typically 40% - 90% (adjustable) |
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Melting Point/Decomposition Temp. |
No definite melting point, decomposes above ~120°C with release of HCl gas. |
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Product Attributes |
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Model |
PAC |
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Brand |
OYI |
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Place of Origin |
Jiangsu, China |
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Specification / Transport Package |
25kg/bag, 850kg big bag |
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Color |
Yellow / White (Yellow for industrial grade, White for potable water grade) |
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Form |
Powder (also available as liquid or tablet) |
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Application & Characteristics |
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Product Characteristics |
High-efficiency Coagulation, Fast Settling, Wide pH Tolerance, Low Corrosiveness |
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Product Function |
Destabilizes, coagulates, and precipitates colloidal particles and suspended solids in water rapidly through its polymeric structure and high charge neutralization capacity. |
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Main Applications |
Potable Water Purification, Municipal and Industrial Wastewater (oily, dyeing, paper, metallurgy, etc.) Treatment, Sludge Dewatering, Paper Sizing. |
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Core Advantages |
1. Superior purification for low-temperature, low-turbidity, and heavily organic-polluted raw water. |
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2. Rapid formation of large, fast-settling flocs. |
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3. Wide operating pH range (5-9), lower dosage, and reduced treatment cost. |
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4. High basicity, lower corrosion, and easy operation. |
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| Parameter | Specification |
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| Al2O3 | 28-30% |
| Basicity | 70-90% |
| PH | 3.0-5.0 |
| As | 0.0006% max |
| Hg | 0.00003% max |
| Pb | 0.006% max |
| Cd | 0.0006% max |
| Cr 6+ | 0.0015% max |
| Insolubles | 0.2% max |
Features:
Polyaluminum chloride (PAC) can be used in a wide range of industrial and potable applications. It is easily soluble in water and rapidly dissolves. The cost of PAC is low, making it a very competitive option in comparison to other common coagulants. The dosage required is 20-50% lower than that of the drum drying PAC, it also boasts fast flocs forming ability, with strong activity and filterability. There is no need to add any additional alkaline additives and PAC can still maintain its efficacy even with deliquescence. It can also be adapted to a wide range of pH values and is highly versatile making it an ideal solution to many environmental problems. Additionally, the use of PAC can significantly reduce the salt content in the effluent, removing water pollution of heavy metals and radioactive substances. It also has a high active ingredient making it convenient for storage and transportation.
Application and General Dosage Reference:
- Suggested to dilute to the concentration of 2%-5% solution before use.
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General Dosage Reference |
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Water |
River Water |
Industrial Circulating Water |
Sewage |
Industrial Wastewater |
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Dry Season |
Flood Season |
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Dosage |
5-10 ppm |
20-100 ppm |
10-50 ppm |
50-200 ppm |
10 -500 ppm |
- Its purifying effect on low-temperature, low turbidity and heavily organic polluted raw water is much better than other organic flocculants, also the treatment cost is lowered by 20-80%.
- It can lead to quick formation of folc (epecially at low temperature) with big size and rapid precipitation service life of cellular filter of sedimentation basin.
- The dosage is smaller than that of other flocculants, which is better for improving the quality of treated water.
- It has widerange adaptability to the waters at different temperatures (in the summer and the winter) and at different regions (in the south and the north of China).
- It is suitable for automatic dosing device of alum
- It can adapt to a wide range of pH value (59), and can reduce the pH value and basicity after processing. Polyaluminium Chloride for Water Treatment Chemical can be used in many ways.
- The user can allocate remedy concentration by test and determine the optimum dosage according to different to be added after they are dissolved and diluted.
- The dilution ratio of liquid product is 5-50% and the dilution ratio of solid product is 2-20%.
- The liquid product dosage is 3-40kg/1000 tons water and solid product dosage is 1-15kg/1000 tons water.
- The amount of specific dosing is based on coagulation tests and experiments.
- 25kg polypropylene woven bags with inner plastic lining
- 2-year warranty period
- Store in dry, well-ventilated areas

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