Water Treatment Chemicals Anionic Polyacrylamide
Property:
Non-ionic polyacrylamide (NPAM) is a water-soluble high molecular polymer, insoluble in most organic solvents, has good flocculation, can reduce the friction resistance between liquids, according to the ionic characteristics can be divided into non-ionic, anionic, Four types: cationic and amphoteric.
Under normal circumstances, the use effect of polyacrylamide will increase the amount of use and the flocculation effect will be improved, but when the amount is too much, the effect will be lower and it will become a stable colloid again. The second is the flocculation time: the combined use of organic flocculants and inorganic flocculants, its biggest feature is that it can obtain the largest particles of flocculants, and agglomerate or adsorb the oil droplets. If the speed is too slow and the time is too short, the flocculant cannot fully contact the solid particles, which is not conducive to the flocculant to capture colloidal particles; and the concentration distribution of the flocculant is also uneven, which is even more unfavorable to exert the function of the flocculant. The use effect of polyacrylamide is also related to water temperature: when the water temperature is low, the reaction speed is too slow, and the hydrolysis time increases, which affects the amount of water to be treated. At the same time, the tearing effect of too high viscosity on the flocculant will also make the floc smaller. The reaction speed is too fast when the water temperature is high, and the flocs are formed small.
Polyacrylamide (PAM) is a water-soluble polymer, insoluble in most organic solvents, has good flocculation, can reduce the friction resistance between liquids, and can be divided into non-ionic, anionic...
Polyacrylamide (PAM) is a water-soluble polymer, insoluble in most organic solvents, has good flocculation, can reduce the friction resistance between liquids, and can be divided into non-ionic, anionic, cationic and There are four types of amphoteric type, so anionic polyacrylamide is a water-soluble polymer with negative charge groups.
Specification:
| Item | Anion | Nonionic | Cation |
| Appearance | White granule/Powder | White granule/powder | White granule/powder |
| Grain diameter(mm) | <2
| <2
| <2
|
| Insoluble soild in water | ≤2
| ≤2
| ≤2
|
| Molecular weight(ten thousand) | 500-2400 | 300-1200 | 300-1200 |
| Degree of hydrolysis(%) | 13-30 | 5-15 | 5-15 |
| Solid content(%) | ≥90
| ≥90
| ≥90
|
Usage:
1. Industrial wastewater treatment. The effect is significant especially for wastewater with neutral or alkaline pH value, large suspended particles, high concentration and positive charge, such as wastewater of steel plants, electroplating plants, metallurgical plants and the coal washing plant.
2. Drinking water treatment. Use this product to deal with raw water, which has advantages of small dose, low-cost, no secondary pollution, etc.
3. Paper making additive. It can used as dispersant of long fiber paper, dry strengthen agent, retention and drainage agent and flocculent for paper making wastewater, etc.
Field of application
| Molecular weight(Ten thousand) | Dosage for reference |
Industrial manufacture
| 1200 | 5‰=per ton 8kg
|
Brine clarify
| 900-1500
| 1‰=per ton 3kg
|
Steel products
| 1200
| 5‰=per ton 7-10kg
|
Aluminum products
| 1200
| 5‰=per ton 7-10kg
|
Meat-parking
| 1500
| 3‰=per ton 6-9kg
|
Automobile industry
| 1200-1500
| 4‰=per ton 7-10kg
|
Paper making
| 900-1200
| 3‰=per ton 6-8kg
|
Sugar making
| 1500
| 2‰=per ton 6-8kg
|
Leather manufacturing
| 1200
| 4‰=per ton 5-7kg
|
Oil exploitation
| 600-2000
|
|
Coating/painting
| 1500
|
|
Bridge
| 1200-1500
|
|
Textile industry
| 900-1200
|
|
Treatment of multiple sewage
| 900-1500
| 3‰=per ton 6kg
|
Packing&storage:
The product is packaged in polyethylene kraft with plastic bag. 25kg per bag. It should stored in draughty, dry place which avoid moisture, drenching.
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