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PAC used in drinking water
PAC is short for poly aluminum chloride, its chemical formula is Aln(OH)mCL(3n-m), It is a new high-efficiency inorganic polymer flocculant and phosphine-bridged polymerized by hydroxy. The product is a white or tawny particle or powder and is easily soluble in water. The solution is a white or tawny liquid that has a strong phosphine-bridged adsorption capacity. During the process of water solution, it is accompanied by some physical and chemical reactions such as electrochemistry, flocculation sorption, and sedimentation, etc.
| Index | Solid, First grade |
|---|---|
| The mass fraction of Al2O3,% | ≥29.0 |
| Basicity,% | 40.0-90.0 |
| Mass fraction of insoluble matter，% | ≤0.6 |
| Mass fraction of arsenic（As),% | ≤0.0006 |
| Pb,% | ≤0.003 |
| Cd,% | ≤0.0006 |
| Hg,% | ≤0.00003 |
| Cr 6+ ,% | ≤0.0015 |
| Density（20degrees) (g/cm3) | ≥1.12 |
| PH(1%Water solution） | 3.5-5.0 |
| Remarks | The liquid products listed in the table are As, Pb, Cd, Hg, Cr6+. When the content of Al2O3 is greater than 10%, it should be converted into a 10% product of Al2O3 based on the actual content, and various impurity indicators are calculated. |
Characteristics:
1.The effects are obvious, especially when dealing with the heavy sewage water.
2.It is adaptable. The effects of purifying water are good even at the broad PH range.
3. It has a good purifying effect on polluted water that contains highly toxic heavy metal such as the microorganism, algae, radioactive material,etc and water with Fluorine.
4.The drug action of purifying water is high with little dosage.
Using method
Use liquid product, water can be added to dilute it to the concentration required.
Use solid product, water must be added while stirring and then dilute it to a certain concentration according to certain situations.
Usage amount should be experimented with slight stirring according to the quality of water.
While not used in purifying water but in other situations, the method of use should be fixed according to certain situations.
Package and Storage
1. Liquid product: Use an acid-proof pot or plastic container.
2.Solid product: Use double layer packing bag, inner layer uses polythene film bag, outer layer uses PP woven bag.
3.Solid product should be stored at the warehouse where should be ventilation and dry.
4.The date of minimum durability of liquid product is six months and solid twelve months.
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