PAM for Water treatment
Introduction
PAM ( Polyacrylamide ) is a type of polymer used in various applications, including water treatment. Polyacrylamide is commonly used as a flocculant in water treatment processes to improve the settling of suspended particles, making it easier to separate solids from water.
Polyacrylamide (PAM) is a polymer compound widely used in the field of water treatment. It comes in many different types, including nonionic, cationic, and anionic.
Technical Specifications
Polyacrylamide (PAM) powder
| Type | Cationic PAM (CPAM) | Anionic PAM(APAM) | Nonionic PAM(NPAM) |
| Appearance | White powder | White powder | White powder |
| Solid content, % | 88 MIN | 88 MIN | 88 MIN |
| pH Value | 3 - 8 | 5 - 8 | 5 - 8 |
| Molecular Weight, x106 | 6 - 15 | 5 - 26 | 3 - 12 |
| Degree of Ion, % | Low, Medium, High |
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| Dissolving Time, min | 60 - 120 | ||
Polyacrylamide (PAM) emulsion:
| Type | Cationic PAM (CPAM) | Anionic PAM (APAM) | Nonionic PAM (NPAM) |
| Solid Content, % | 35 - 50 | 30 - 50 | 35 - 50 |
| pH | 4 - 8 | 5 - 8 | 5 - 8 |
| Viscosity, mPa.s | 3 - 6 | 3 - 9 | 3 - 6 |
| Dissolving time, min | 5 - 10 | 5 - 10 | 5 - 10 |
Applications
Floculant: Polyacrylamide is often used as a flocculant in water treatment to remove suspended solids, particulate matter and colloids and condense them into larger flocs to facilitate subsequent sedimentation or filtration. This flocculation helps improve water clarity and transparency.
Precipitant enhancer: Polyacrylamide can form complexes with metal ions to enhance the effect of the precipitant. When treating wastewater containing metal ions, the use of polyacrylamide can improve the precipitation effect and reduce the content of metal ions in the wastewater.
Antiscalant: In the water treatment process, polyacrylamide can also be used as a scale inhibitor to prevent scaling on the surface of pipes and equipment. It improves the ion balance of water, inhibits the deposition of dissolved substances in water, and reduces the formation of scale.
Water quality improvement: Polyacrylamide can also be used to improve water quality in some cases, such as increasing the sedimentation rate of suspended solids in water, reducing sludge formation, etc.
Soil solidification: In soil solidification and improvement, polyacrylamide can be used to improve the stability and corrosion resistance of the soil, thereby improving the physical properties of the soil.
It should be noted that the dosage of polyacrylamide should be carefully controlled during use to avoid adverse effects on the environment. In addition, the specific application depends on the specific requirements of water treatment and water quality characteristics.
