Polyaluminium Chloride PAC

Jan 23, 2026

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TOPLUS® Polyaluminium Chloride (PAC), an inorganic polymer coagulant, has become the cornerstone of modern water treatment and purification processes globally. As a highly efficient and versatile chemical, it bridges the gap between traditional aluminium salts and advanced polymeric flocculants, offering superior performance in the removal of contaminants from both industrial wastewater and municipal drinking water.

The dominance of Polyaluminium Chloride stems from its advanced polymeric structure and charge neutralization capabilities. Its pre-polymerized nature, characterized by a range of Alb species, allows for rapid formation of dense flocs, faster settling rates, and a wider effective pH range compared to conventional alum (aluminium sulfate). This makes it the preferred choice in drinking water treatment plants for removing turbidity, color, and organic matter, ensuring safe and clear potable water. In industrial wastewater treatment, it effectively treats effluents from textiles, paper, petrochemicals, and mining by precipitating suspended solids, phosphates, and heavy metals. Its lower dosage requirements and reduced sludge volume also translate to significant operational cost savings and a smaller environmental footprint.

The efficacy of PAC is critically determined by its key specifications, primarily the Basicity (or Basicity Degree, a measure of its polymerization and hydroxyl content) and the Aluminium Oxide (Al2O3) content. Optimal basicity ensures effective charge neutralization across varying water conditions, while the Al2O3 content indicates the active ingredient concentration. Low impurity levels (e.g., heavy metals) are essential for drinking water grades.

As a leading provider of water treatment solutions, TOPLUS® supplies high-performance Polyaluminium Chloride tailored for diverse and demanding purification challenges. TOPLUS® PAC is produced with precise control over its polymerization degree and basicity, ensuring fast flocculation, excellent clarity in treated water, and robust performance across a broad spectrum of source water qualities. Its high efficiency reduces chemical consumption and sludge handling costs for our clients. By delivering this reliable and effective coagulant, TOPLUS empowers municipalities and industries to achieve their water quality goals with greater efficiency, economy, and environmental responsibility, supporting sustainable water resource management.

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