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Poly Aluminum Chloride (PAC) - High-Efficiency Eco-Friendly Water Purification Flocculant | Professional Water Treatment Solutions
May 29, 2026
Poly Aluminum Chloride (PAC) - High-Efficiency Eco-Friendly Water Purification Flocculant | Professional Water Treatment Solutions
With the rapid development of the environmental protection and water treatment industry, water quality purification, up-to-standard sewage discharge, and water quality upgrading and renovation have become the core demands of various industries and municipal projects. Poly Aluminum Chloride (PAC), a new high-efficiency inorganic polymer flocculant, has become a core reagent in the water treatment field by virtue of its fast sedimentation speed, excellent purification effect, wide application range and low energy consumption. It is widely used in municipal water supply, industrial sewage, domestic wastewater, industrial circulating water purification and many other scenarios, serving as a cost-effective and universally applied water purification material in the current environmental water treatment industry.

I. Product Overview

Poly Aluminum Chloride is a water-soluble inorganic polymer polymer between aluminum chloride and aluminum hydroxide, manufactured through advanced polymerization, concentration and drying processes. It is available in yellow, pale yellow, white solid powder and liquid forms. Complying with the national standard GB15892-2009 for drinking water grade products, it features a stable molecular structure and strong adsorption capacity. When put into water, it hydrolyzes rapidly to generate a large number of polynuclear complex ions, which can efficiently adsorb and coagulate suspended matter, colloidal particles, heavy metal ions, bacteria, algae and organic pollutants in water, realize rapid solid-liquid separation, and thoroughly solve the problems of water turbidity, discoloration and peculiar odor.
Compared with traditional water purifiers such as alum and aluminum sulfate, PAC overcomes their drawbacks including large dosage, slow purification, high residue, secondary water pollution and strong equipment corrosion. It is an upgraded alternative to traditional water treatment agents withlow dosage, high flocculation efficiency, wide water quality adaptability, stable performance in low-temperature and low-turbidity water, and low sludge yield.

II. Core Product Advantages

With years of experience in the R&D and production of water purification materials, our high-quality PAC products have been verified by thousands of engineering projects, featuring prominent core advantages and strong adaptability to complex water treatment scenarios:
  • Fast Flocculation & High Purification Efficiency: It dissolves quickly in water and forms dense alum flocs in an instant with a high sedimentation speed. No long-time stirring and precipitation are required, which greatly shortens the water treatment process, improves sewage treatment efficiency, and delivers clear and stable effluent water quality.
  • Wide Water Quality Adaptability & Strong Weather Resistance: It is applicable to various water bodies with a pH value of 5.0-9.0. It can stably exert water purification effects for low-temperature, low-turbidity, high-turbidity and high-chroma sewage as well as high-hardness industrial wastewater with stable performance in all seasons.
  • Eco-Friendly & Secondary Pollution-Free: Drinking water grade PAC features high purity, few impurities and extremely low heavy metal content. It is non-toxic, residue-free and non-corrosive to pipelines and equipment, causing no secondary pollution to water bodies and ecology, and fully meeting the standards for drinking water purification and environmental protection discharge.
  • Low Cost & High Cost Performance: Its required dosage is much lower than that of traditional water purifiers. It can save more than 30% of reagent costs under the same water treatment effect. Meanwhile, it produces less sludge, significantly reducing the costs of sludge treatment, manual operation and equipment loss.
  • Diversified Functions & High Practicality: It integrates multiple functions including flocculation, sedimentation, decolorization, phosphorus removal, turbidity reduction and sterilization, which can solve various water quality problems such as water turbidity, excessive chroma, excessive organic matter and algae growth in one stop.

III. Main Product Classification

To accurately meet the water treatment demands of different industries and water quality conditions, we provide standardized multi-specification PAC products with customizable options. Our main product categories are as follows:

1. Drinking Water Grade Poly Aluminum Chloride

Produced with high-purity raw materials via spray drying technology, this product has a high aluminum oxide content with heavy metal and impurity contents strictly controlled within national standards. It presents white or pale yellow fine and uniform powder. Specially applied in high-standard scenarios such as water purification for water plants, urban and rural domestic drinking water, and food processing water, it can produce up-to-standard drinking water with guaranteed safety and stable quality.

2. Industrial Grade Poly Aluminum Chloride

Available in roller drying and spray drying types with outstanding cost performance, industrial grade PAC is suitable for various industrial water treatment scenarios. It is widely used in the treatment of industrial wastewater from printing and dyeing, papermaking, electroplating, chemical, pharmaceutical, food, leather, mining and metallurgy industries, as well as urban domestic sewage and mine wastewater. It is also applicable to industrial circulating water and landscape water purification, decolorization and impurity removal, effectively helping enterprises achieve up-to-standard sewage discharge.

IV. Wide Application Scenarios

With stable product performance and strong universality, PAC has become a rigidly required reagent in the global water treatment industry, covering the following core scenarios:
  • Municipal Water Treatment: Water purification for urban and rural water supply plants, municipal domestic sewage treatment, urban landscape water and river water treatment, and water quality upgrading and renovation.
  • Industrial Sewage Treatment: Flocculation and sedimentation, decolorization and impurity removal, COD reduction, phosphorus and turbidity removal for industrial wastewater from printing and dyeing, papermaking, electroplating, chemical, pharmaceutical, food, leather, mining and metallurgy industries.
  • Industrial Circulating Water: Water purification for factory circulating cooling water and central air conditioning circulating water, inhibiting algae growth and preventing water turbidity and pipeline scaling.
  • Other Fields: Swimming pool water purification, coal washing wastewater treatment, sludge dewatering pretreatment, papermaking sizing and industrial auxiliary applications.

V. Enterprise Strength & Quality Assurance

We are a professional environmental protection water purification material enterprise integrating the R&D, production, sales and technical service of poly aluminum chloride. With years of deep cultivation in the water treatment industry, we own standardized production workshops, advanced automatic production lines and a complete quality inspection system, featuring large annual output and stable sufficient supply.
We strictly abide by national production standards and implement full-process quality control from raw material selection, production and processing to finished product testing and delivery. Each batch of products is professionally tested in the laboratory to ensure that core indicators such as aluminum oxide content, basicity and water-insoluble substances meet national standards, achieving stable quality and consistent performance across batches. In addition, we can customize products of exclusive specifications and personalized water treatment solutions according to customers' water quality conditions and water treatment capacity to meet differentiated demands.
Adhering to the business philosophy of "Quality-oriented, Service-first and Green Environmental Protection", we have won recognition and trust from customers in various industries nationwide with high-quality products, favorable prices and perfect after-sales services. We provide one-stop services including spot sales, customized production, technical guidance and on-site commissioning, helping customers efficiently solve water treatment problems, reduce environmental operation and maintenance costs, and achieve stable and compliant discharge.

VI. Product Usage Notes

1. Solid poly aluminum chloride needs to be diluted at a ratio of 1:10 and fully stirred until completely dissolved before dosing.
2. Adjust the dosage according to water turbidity and pollutant content to avoid waste caused by excessive dosing.
3. The product shall be hermetically stored in a dry and ventilated place, protected from moisture, rain and direct sunlight. It can maintain stable performance for a long time with proper storage.
4. It can be used together with reagents such as polyacrylamide to significantly improve sewage treatment effects and reduce comprehensive reagent costs.
Feel free to contact us for product quotations, detailed specifications, water sample debugging and customized solutions. Our professional technical team provides full-cycle services for you!


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