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PAFC deeply integrates the dual advantages of aluminum ions (Al³⁺) and iron ions (Fe³⁺), addresses the limitations of single flocculants, and its core performance is as follows:
| Specification Index | Liquid Type | Solid Type |
|---|---|---|
| Al₂O₃ Content, % ≥ | 8.0 | 28.0 |
| Mass fraction of Fe, % ≤ | 1.5 ~ 5.0 | 1.5 ~ 5.0 |
| Mass fraction of Fe²⁺, % ≤ | 0.2 | 0.2 |
| Basicity, % | 20 ~ 85 | 20 ~ 85 |
| Mass fraction of insoluble substances, % ≤ | 0.5 | 0.5 |
| pH (10g/L aqueous solution) | 3.5 ~ 5.0 | 3.5 ~ 5.0 |
| Mass fraction of As, % ≤ | 0.0005 | 0.0005 |
| Mass fraction of Cr, % ≤ | 0.005 | 0.005 |
| Mass fraction of Hg, % ≤ | 0.00002 | 0.00002 |
| Mass fraction of Pb, % ≤ | 0.002 | 0.002 |
| Mass fraction of Cd, % ≤ | 0.0002 | 0.0002 |
PAFC, with its "all-round" characteristics, is widely used in global municipal, industrial, and special water treatment scenarios:
PAFC (Polyaluminum Ferric Chloride) is a high-efficiency composite flocculant that integrates the benefits of both aluminum (Al³⁺) and iron (Fe³⁺) ions. Al³⁺ excels at charge neutralization to destabilize negative colloids, while Fe³⁺ facilitates rapid sweep flocculation and net capture of organic matters. This dual mechanism boosts flocculation efficiency by over 30% compared to traditional single-metal coagulants.
PAFC is highly adaptable to a wide pH range of 4 to 10, with the optimal performance range being 6 to 9. This makes it effective in treating varying water qualities, including highly alkaline or acidic industrial wastewater, without requiring heavy pH pre-adjustments.
Due to its comprehensive performance properties, PAFC is highly efficient in municipal sewage treatments, decolorizing printing and dyeing effluents, removing heavy metals (like Cr⁶⁺ and Cu²⁺) from electroplating/chemical processes, clarifying coal slurry in mining, and reclaiming white water in paper mills.
According to technical specifications, liquid PAFC maintains an Al₂O₃ content of ≥ 8.0%, making it ready for direct dosing systems. Solid PAFC is highly concentrated with an Al₂O₃ content of ≥ 28.0%, which is ideal for long-distance transport and long-term storage.
Liquid PAFC must be sealed and stored in a cool, ventilated place below 30°C. Solid PAFC must be stored in a dry warehouse with humidity levels under 60%, protected from direct moisture, and stacked no more than two layers high to prevent compaction.
When stored correctly, liquid PAFC has a shelf life of 12 months in its original sealed containers. Solid PAFC can remain stable for up to 24 months in unopened bags.
