Drinking water grade polyaluminum chloride
Polyaluminium chloride is referred to as PAC. Usually also known as basic aluminum chloride or coagulant, it is a water-soluble inorganic polymer between ALCL3 and AL (OH) 3, the chemical formula is [AL2 (OH) NCL6-NLm] where m represents the degree of polymerization and n represents the degree of neutrality of PAC products. The color is yellow or yellowish, dark brown, dark gray resinous solid. The product has strong bridging and suction performance, and in the hydrolysis process, it is accompanied by physical and chemical processes such as agglomeration, adsorption and precipitation.
Category:
Keyword:Sewage disposal 丨 Drug
Description
Product Description:
Polyaluminium chloride is referred to as PAC. Usually also known as basic aluminum chloride or coagulant, it is a water-soluble inorganic polymer between ALCL3 and AL (OH) 3, the chemical formula is [AL2 (OH) NCL6-NLm] where m represents the degree of polymerization and n represents the degree of neutrality of PAC products. The color is yellow or yellowish, dark brown, dark gray resinous solid. The product has strong bridging and suction performance, and in the hydrolysis process, it is accompanied by physical and chemical processes such as agglomeration, adsorption and precipitation.
The fundamental difference between polyaluminum chloride and traditional inorganic coagulants is that the traditional inorganic coagulants are low molecular weight crystal salts, and the structure of polyaluminum chloride is composed of multi-carboxy complexes with variable morphology, fast flocculation and precipitation speed, wide range of applicable PH value, non-corrosive to pipeline equipment, obvious water purification effect, can effectively support the color SS, COD, BOD and arsenic, mercury and other heavy metal ions in water, the product is widely used in drinking water, industrial water and sewage treatment.
Product performance:
1. It can quickly form flocculate, and the alum flower is large, the sedimentation speed is fast, and the treatment capacity is 1.0-3.0 times higher than other inorganic coagulants.
2. Source water that adapts to various temperatures, good solubility.
3. The product is less corrosive and convenient to operate.
4. Liquid products are suitable for automatic dosing, and long-term use does not block the pipe.
How to use: 1. Liquid products can be added directly, or diluted with water.
Solid products should be added with water to dissolve and then added, the amount of water added can be determined according to the dosage of chemicals and the water quality to be treated, the dilution ratio is: solid products 2%-20%, liquid products 5%-50% (in weight percentage).
2. The dosage of pharmaceutical agent is: 3-40 g/ton for liquid products and 1-15 g/ton for solid products, which are determined by the user according to the stirring test and production test.
3. The acidity of this product is lower than that of other inorganic coagulants.
Quality indicators:
Metric name |
Indicators |
|
For drinking water treatment |
||
Solid |
||
Superior products |
First class |
|
Alumina (Al2O3) content, % ≥ |
32.0 |
29.0 |
Salinity base, % |
60.0-85.0 |
50.0-85.0 |
Water insoluble matter content, % |
0.5 |
1.5 |
PH (1% aqueous solution) ≤ |
3.5-5.0 |
|
Sulfate (SO42-) content, % ≤ |
9.8 |
|
Ammonia nitrogen (N) content, % ≤ |
0.03 |
0.09 |
Arsenic (As) content, % ≤ |
0.0005 |
|
Manganese (Mn) content, % ≤ |
0.0075 |
0.045 |
Hexavalent chromium (Cr6) content, % ≤ |
0.0015 |
|
Mercury (Hg) content, % ≤ |
0.00002 |
|
Lead (Pb) content, % ≤ |
0.003 |
|
Cadmium (Cd) content, % ≤ |
0.0006 |
Storage and packaging: 1.
The company has a special tank truck for liquid products to be delivered by special tankers. Solid products are packed in polypropylene woven bags, lined with plastic bags, 25 kg per bag.
2. The effective storage period of liquid products is one year, and the effective storage period of solid products is two years, which should be placed in a ventilated and dry place, but the use effect will not be affected after moisture.
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