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Practical Experiences in Using Cationic Polyacrylamide
I. Overview of Cationic Polyacrylamide
Cationic polyacrylamide is a white powder or granular substance known for its strong flocculation properties. It is widely used in water treatment, metallurgy, papermaking, petroleum, chemical industry, textile, and mineral processing. As a linear polymer compound, it dissolves in water and has a molecular weight ranging from 600,000 to 18 million. It can be dissolved in methanol and ethanol but is insoluble in organic solvents like ketones, esters, and hydrocarbons. In acidic or alkaline environments, it carries a positive charge, making it effective in flocculating and precipitating suspended particles in wastewater.
II. Key Experiences in Using Cationic Polyacrylamide
Based on our practical experience, here are some important points to consider when using cationic polyacrylamide:
1. Always dissolve the powdered form before use. A properly dissolved aqueous solution ensures better performance.
2. When dissolving, add the cationic polyacrylamide gradually while continuously stirring. Ensure you stir for at least 30 minutes to achieve full dissolution.
3. The typical dosage is between 1-2 grams or 3-5 grams per ton of water, depending on the application.
4. During use, continuous stirring is essential. Plan the installation location in advance to ensure smooth operation.
5. Use clean water, such as tap water, for dissolving the polymer. Avoid using sewage. Room temperature is ideal; no heating is usually needed. However, below 5°C, dissolution is slow. Temperatures above 40°C may cause the polymer to degrade quickly, reducing its effectiveness. Avoid using strongly acidic, basic, or high-salinity water.
6. The standard concentration is 0.1% to 0.3%, meaning 1g to 3g of the prepared solution should be added to 1 liter of water.
7. Avoid contact with iron metal, as it can cause the cationic polyacrylamide to lose its effectiveness.
Zhengzhou Tianhe Water Purification Material Factory specializes in producing various types of polyacrylamide, including cationic, anionic, non-ionic, and zwitterionic grades. We offer high-quality products and cost-effective solutions tailored to your needs. Our technical team is always ready to assist you. We look forward to building long-term partnerships with our clients.
For more information, visit our website or contact us directly.
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Editor: Hardware Business Network Information Center http://news.chinawj.com.cn
Tips and Key Details When Using Cationic Polyacrylamide: Practical Experiences from Zhengzhou Tianhe Water Purification (Published on March 12, 2014) | Views: 5