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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.

  • Papermaking Filter Aid Guide: Faster Drainage, Cleaner White Water

    In a paper mill, “papermaking filter aid” usually refers to wet-end and short-circulation additives that help water separate from fiber/filler more efficiently while keeping valuable solids in the sheet. In practice, an effective filter aid program improves drainage on the wire, stabilizes vacuum performance, and clarifies white water for better system cleanliness. For most grades, polymeric filte...

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  • Flocculant for Aluminium Oxide: Key Industries & Best Practices

    What industry uses flocculant for aluminium oxide? When we ask “what industry uses flocculant for aluminium oxide,” they are usually dealing with one of two realities: (1) aluminium oxide (Al2O3) or alumina hydrate solids that must be separated from liquor or water, or (2) fine mineral/oxide particulates that behave like colloids and refuse to settle without polymer bridging. In practice, floccul...

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  • Cationic Polymer for Acid Fracturing Emulsion: Salt & Heat

    An acid fracturing emulsion (commonly emulsified HCl in an external hydrocarbon phase) is often selected to slow acid–rock reaction, improve etch distribution, and extend effective fracture length. However, in high-salinity and high-temperature reservoirs, two failure modes routinely dominate the post-job evaluation: clay swelling and particle (fines) migration. These risks increase when formatio...

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  • Water Treatment Polyacrylamide: Emulsion or Powder Selection Guide

    In most plants, both emulsion and powder forms can deliver comparable flocculation and dewatering performance if the polymer type (anionic/cationic/nonionic), molecular weight, and charge density are properly matched to the water and solids. To choose emulsion or power type, the decision is rarely about chemistry alone. The practical differentiators are how fast you want to make a stable solution...

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