Overview
Polyferric flocculant (PFS) is an advanced inorganic polymer coagulant developed as an improvement over traditional ferric salts. It combines the advantages of iron-based coagulants with enhanced polymer characteristics, offering superior turbidity removal and lower residual metal concentrations compared to conventional alternatives like ferric chloride. As a pre-hydrolyzed product, PFS contains polynuclear hydroxyl complexes that accelerate floc formation. Its development addressed key limitations of monomeric coagulants, including pH sensitivity and high sludge production. The product exists in both liquid (density ~1.45 g/cm³) and solid forms for different industrial applications.
Physical and Chemical Properties
The chemical structure of PFS features a three-dimensional network of Fe(III)-O-Fe(III) bonds with sulfate bridges, giving it high stability and positive charge density. Its polymeric nature (molecular weight ~1,000-300,000 Da) enables effective bridging between colloidal particles. Key technical parameters include basicity (OH/Fe molar ratio, typically 8-16%) and iron content (≥11% for commercial grades). The product shows excellent temperature resistance (effective from 0-50°C) and works across a broad pH range without requiring additional alkalinity adjustment, unlike aluminum-based coagulants.
Main Applications
In municipal water treatment, PFS effectively removes arsenic (up to 95% efficiency) and phosphorus (80-90% removal). Industrial applications include textile wastewater decolorization, paper mill effluent treatment, and mining wastewater metal recovery. Its high charge density makes it particularly effective for treating emulsified oil wastewater in petrochemical plants. Compared to organic polymers, PFS produces denser flocs that settle faster (typically 0.6-1.2 m/min) and create less buoyant sludge. Many plants use it as a primary coagulant followed by polyacrylamide for enhanced dewatering, reducing overall chemical consumption by 30-40%.
Safety and Storage
As a Category 8 corrosive substance, PFS requires proper handling equipment including acid-resistant gloves (neoprene or butyl rubber) and face shields. Liquid formulations should be stored in HDPE containers at 5-30°C to prevent freezing or thermal degradation. Incompatible materials include strong alkalis (risk of violent reaction) and reducing agents. Spill management requires neutralization with lime or soda ash before disposal. The product has low acute toxicity (LD50 > 2000 mg/kg) but may cause skin burns at high concentrations (>40%).
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO 9001 certification for water treatment chemicals. Key specifications to verify include: iron content (≥11%), heavy metal impurities (<50 ppm), and insoluble matter (<0.5%). Liquid PFS typically offers 10-15% cost savings over solid form when transportation distances are under 300 km. Bulk purchasing (≥20 tons) often yields 8-12% discounts. Consider regional manufacturers to minimize logistics costs, as shipping typically accounts for 15-25% of total procurement expenses. Always request batch analysis reports and conduct jar tests (standard method ASTM D2035) before large-scale adoption.
Related Manufacturers
- 主营：活性炭、高效水处理药剂、PAM、聚丙烯酰胺、净水絮凝剂、阴离子聚丙烯酰胺、阳离子聚丙烯酰胺、非离子聚丙烯酰胺、两性离子聚丙烯酰胺、椰壳活性炭、柱状活性炭、粉末活性炭、活性吸附炭、净水滤炭
- 主营：活性炭、乙酸钠、阻垢剂、聚丙烯酰胺、聚合氯化铝、聚合硫酸铁、消泡剂、葡萄糖、水处理药剂、滤料
- 主营：絮凝剂
- 主营：处理剂、污水cod、cod当量、絮凝剂、离子聚丙烯、净水剂聚合、聚合氯化铝、培养剂、醋酸钠、环保药剂、淀粉标准、酰胺用量、cod去除剂、防水乳液、氯化铝絮凝、氯化铝国标、臭味降解剂、葡萄糖成分、超标去除剂、酰胺添加量、硫酸铁国标、废水去除剂、工业葡萄糖、污水除臭剂、硫酸铁除磷
- 主营：水处理剂、水处理药剂、粉末污水处理、聚合氯化铝、阳离子絮凝剂、阴离子絮凝剂、聚丙烯酰胺、净水材料
- 主营：除磷剂、醋酸钠、除氟剂、聚合硫酸铁、聚丙烯酰胺、聚合氯化铝、絮凝剂、阻垢剂、复合碳源、工业纯碱、悬浮球填料、反渗透清洗剂、非氧化杀菌剂、乙酸钠、氨氮去除剂、葡萄糖、杀菌剂、工业级葡萄糖、十二烷基硫酸钠、乙二醇、还原剂、活性炭、石英砂、无烟煤滤料
- 主营：椰壳活性炭、无烟煤滤料、石英砂滤料、聚合硫酸铁、锰砂滤料、蜂窝斜管填料、煤质柱状活性炭、微孔曝气器、纤维球滤料、863彗星式纤维滤料、火山岩
- 主营：总氮降解菌剂、复合碳源、生物除臭剂、聚合硫酸铁铝、液体聚合硫酸铁、聚合氯化铝、熟石灰、除氟剂、氨氮快速检测包、COD快速检测包、总磷快速检测包、总镍快速检测包、重金属捕捉剂、除磷剂、硫酸亚铁、复合碱、污染排查套装、膜清洗剂、污水除氟剂、亚硝酸盐氮检测包、六价铬快速检测包、氨氮降解剂
- 主营：除磷剂、新碳源、新型碳源、絮凝剂、聚丙烯酰胺、生物碳源、液体碳源、污水碳源、复合碳源、活性炭源、除磷药剂、小分子碳源、生物质碳源、洗沙泥浆沉淀剂、反硝化补充碳源
- 主营：碳源、污泥调理剂、水处理药剂、聚丙烯酰胺、絮凝剂、除磷剂、复合碳源、污泥剂、脱水剂、醋酸钠、破壁剂、乙酸钠、新型碳源、液体碳源、固体碳源、上门试验
- 主营：复合碳源、硫酸铝、抑垢剂、聚合氯化铝铁、聚合氯化铝、聚合硫酸铁、杀菌剂、除磷剂、营养液、消泡剂、氧化铝、灭藻剂、硫酸铝饮用水级、液体乙酸钠
- 主营：玉米浆干粉、黄金选矿剂、次氯酸钠、固体聚硫酸铁、液碱、氨水、乙醇、亚硫酸氢钠、氨基磺酸、漂白粉、氢氧化钾、亚氯酸钠、硅酸钠、尿素、次氯酸钙、氢氧化钠、碳酸钠、偏硅酸钠、冰醋酸、异丙醇、二氯甲烷、氟硅酸钠、亚硝酸钠
- 主营：聚合硫酸铁、清洗剂、溶剂、水处理
- 主营：组合填料、石英砂、水泥滤板、絮凝剂、聚丙烯酰胺、阳离子聚丙烯、果壳活性炭、PAC、氧化铝定制、活性炭更换、水处理药剂、工业葡萄糖、PAM、混凝土滤板、活性氧化铝、柱状活性炭、微孔曝气器、蜂窝活性炭、斜管填料、氧化铝催化剂、生物陶粒滤料、活性炭、废气处理活性炭、无烟煤滤料
- 主营：絮凝剂、聚丙烯酰胺、聚合氯化铝、阳离子聚丙烯、净化污水、工业废水
- 主营：水处理药剂、活性炭吸附系列、污水处理曝气器系列、聚合硫酸铁铁、净水滤料系列、多种净水材料、生物 植物除臭剂
- 主营：侧向流斜板、翻板滤池面包管、水解酸化池填料、聚合硫酸铁、平板填料、反硝化滤池滤砖、整体浇筑滤板、S型滤砖、T型滤砖、滤帽、集水槽、陶粒滤料、U型滤管、混凝土滤板、abs滤板、翻板滤池滤管、蜂窝斜管填料、斜板填料、水泥滤板
- 主营：聚丙烯酰胺、聚合氯化铝、菌种、重金属捕捉剂