{"id":247,"date":"2018-07-19T06:34:56","date_gmt":"2018-07-19T06:34:56","guid":{"rendered":"https:\/\/manufacturer.stylemixthemes.com\/?p=247"},"modified":"2026-02-04T13:03:37","modified_gmt":"2026-02-04T05:03:37","slug":"polyaluminum-chloride-for-water-treatment","status":"publish","type":"post","link":"https:\/\/www.watercarechem.com\/nl\/polyaluminum-chloride-for-water-treatment\/","title":{"rendered":"Polyaluminum Chloride (PAC) for Water Treatment: Benefits, Uses & Buying Guide"},"content":{"rendered":"

Polyaluminum Chloride (PAC) in Water Treatment: Benefits, Drawbacks, Applications, and How to Choose High-Quality PAC<\/strong><\/h2>\n

Polyaluminum chloride (PAC) is one of the most widely used inorganic coagulants in the global water treatment industry. Whether in municipal drinking water treatment<\/strong>, sewage purification<\/strong>, industrial wastewater management<\/strong>, or effluent treatment plants (ETP)<\/strong>, PAC plays a critical role in improving water quality and ensuring water safety. Its fast coagulation speed, strong adsorption capacity, and ability to produce dense and easily settleable flocs have made it a preferred option for water treatment professionals worldwide.<\/p>\n

As water treatment standards continue to rise and environmental protection requirements become stricter, understanding PAC\u2014its properties, advantages, potential drawbacks, and selection criteria\u2014has become increasingly important for plant operators, engineers, buyers, and distributors. This article provides a comprehensive overview of PAC<\/a> to help you make informed purchasing and application decisions.<\/p>\n

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What Is Polyaluminum Chloride (PAC)?<\/strong><\/h2>\n
\"What
Introducing Poly-aluminum Chloride, the leading choice for effective water clarification and purification.<\/figcaption><\/figure>\n

Polyaluminum chloride (PAC)<\/a> is a highly efficient water treatment coagulant manufactured from aluminum-based raw materials. It is typically available in powder<\/strong>, granular<\/strong>, or liquid<\/strong> form, with colors ranging from light yellow<\/strong> to white<\/strong>, depending on the purity level and application grade. PAC is known for its high basicity, strong bridging and adsorption capabilities, and ability to function effectively in a wide range of pH conditions.<\/p>\n

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Why PAC Is Widely Used in Water Treatment<\/strong><\/h2>\n

1. Rapid and Effective Coagulation<\/strong><\/h3>\n

PAC destabilizes and aggregates fine particles quickly, forming large, dense flocs that settle easily. This leads to faster clarification and significantly improved water quality. Numerous studies published on ScienceDirect<\/em> demonstrate PAC’s superior coagulation performance compared to traditional alum.<\/p>\n

(ScienceDirect source: https:\/\/www.sciencedirect.com\/topics\/chemistry\/polyaluminium-chloride<\/a>)<\/p>\n

2. Improved Water Quality<\/strong><\/h3>\n

By reducing turbidity, removing suspended solids, and lowering organic content, PAC helps ensure that treated water meets strict quality standards. This is especially critical for urban drinking water<\/strong>, industrial process water<\/strong>, and wastewater discharge<\/strong>.<\/p>\n

3. Lower Treatment Cost<\/strong><\/h3>\n

Because PAC has a high coagulation efficiency, water treatment facilities often use a lower dosage<\/strong> compared to traditional coagulants such as alum (aluminum sulfate). Lower usage reduces overall treatment cost and chemicals consumption.<\/p>\n

4. Wide Application Range<\/strong><\/h3>\n

PAC works well under various temperature and pH conditions, making it suitable for:<\/p>\n