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Jiangsu Hengfeng has become a professional production and research and development base for water treatment chemicals and oilfield chemicals in China.

  • How to Choose a Retention Aid for Different Paper Grades

    The most reliable approach is to match the retention system to the grade’s shear and ash/fines load: high-shear grades (tissue, high-speed printing) typically need a microparticle program, while moderate-shear, lower-ash grades often run well with a single cationic PAM (CPAM). If your furnish carries high anionic trash (recycled fiber, coated broke), start with charge control (coagulant) before p...

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  • Polyacrylamide (PAM) for Municipal Drainage Erosion Control

    Polyacrylamide (PAM) can significantly reduce sediment in municipal drainage runoff when applied at the right rate and kept out of live water. Used as a temporary soil-binding/flocculation aid alongside BMPs (mulch, mats, check dams, inlet protection), PAM improves particle settling and reduces turbidity in conveyance features like swales, ditches, and outfall transitions. ▶ Where PAM works best ...

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  • Cationic Polyacrylamide Flocculant Guide for Water Treatment

    Why Cationic Polyacrylamide Matters in Real Water Treatment Plants In many wastewater and industrial water treatment systems, separation performance is what determines operating cost. When flocs are weak, you pay twice: higher chemical consumption upstream and unstable sludge handling downstream. As a manufacturer and supplier of cationic polyacrylamide (CPAM), we see CPAM deliver the most value ...

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  • Anionic or Cationic Polyacrylamide How to Choose and Dose

    Anionic Polyacrylamide and Cationic Polyacrylamide have different application area and cases. Normally, use anionic polyacrylamide when your suspended solids behave positively charged, and use cationic polyacrylamide when treating negatively charged sludge/organics. Confirm the choice with a quick jar test and then optimize the dose for fast settling (clarification) or low filtrate turbidity and s...

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