- Name: Poly Aluminium Chloride
- Appearance: Powder/Liquid
- Type: FB01, FB02, FB03, FB04
- PH Value: 3.5-5.0
- CAS No: 1327-41-9
- MF: {AL2 (OH) nCL6-n} m
- HS Code: 28273200
Poly aluminium chloride (PAC) is a new type of high-performance inorganic polymer flocculant. It is an inorganic polymer synthesized by aluminum chloride, aluminum hydroxide, alumina or other inorganic aluminum compounds with hydrochloric acid. PAC powder is very soluble in water, so it has the features of wide application range of PH value, large granule and fast settling speed. Therefore, PAC poly aluminum chloride is mainly used for industrial wastewater, drinking water, swimmin pool water,etc.
Different Types of PAC Chemicals for Sale
The PAC chemical for water treatment comes in two main forms: solid powder and liquid. Solid polyaluminum chloride powder appears in several colors, including white, light yellow, golden yellow, and brown. Its liquid form ranges from colorless and transparent to slightly yellow, light yellow, and yellowish brown. In addition, different grades contain varying levels of alumina (Al₂O₃). These differences in color and alumina content generally reflect variations in raw materials, production processes, and application requirements.
White PAC powder 30% (FB01), also known as high-purity iron-free or food-grade polyaluminum chloride, is primarily used for drinking water treatment. Compared with other PAC grades, it offers higher purity and lower iron content. Manufacturers mainly use high-quality aluminum hydroxide powder and hydrochloric acid as raw materials. In China, the production process typically employs advanced spray-drying technology to produce a uniform, high-quality powder.
Beyond drinking water treatment, white polyaluminum chloride serves various industrial applications. For example, manufacturers use it as a paper sizing agent, sugar decolorizing and clarifying agent, and tanning auxiliary. It also finds applications in pharmaceuticals, cosmetics, precision casting, and other water treatment processes.
Light yellow PAC chemical (FB02) mainly serves drinking water treatment applications, particularly those with strict limits on heavy metal content. During the treatment process, it helps produce clear water with minimal residual precipitation. In addition, the product contains approximately 30% Al₂O₃ (±0.5%) and features a fine powder with uniform particles. These properties contribute to its effective flocculation and stable purification performance. As a result, users can achieve good treatment efficiency with a relatively low dosage, helping reduce overall operating costs.
Regarding production, manufacturers use the spray-drying process and select aluminum hydroxide powder, hydrochloric acid, and calcium aluminate powder as the main raw materials. This process helps produce PAC powder with consistent quality and uniform particle characteristics.
The production process is drum drying method. PAC FB03 is also the most widely used high-efficiency flocculant in the market, and it has good flocculation effect in sewage treatment. Therefore, the gold yellow poly aluminum chloride PAC is the best choice for industrial water supply, industrial wastewater, industrial water cycle and urban sewage treatment.
For PAC FB04 chemical, its production process is drum drying method, which has the excellent effects in sewage treatment. The raw materials are calcium aluminate powder, hydrochloric acid, bauxite and iron powder. Generally speaking, the more iron powder added, the darker the color will be. So the iron content is higher than other PAC poly aluminum chloride. It is a water treatment product produced according to the special requirements of individual customers for water treatment.
Technical Specifications of Poly aluminium chloride (PAC)
| Item | Type | ||||
| PAC FB01 | PAC FB02 | PAC FB03 | PAC FB04 | ||
| Standard | GB15892-2009 | GB-T 22627-2008 | |||
| Appearance | White powder | Light yellow powder | Yellow powder | ||
| Application | Drinking Water | Industrial Waste water | |||
| AL2O3 % | ≥30 | ≥30 | ≥30 | ≥28 | |
| Basicity % | 40-60 | 70-85 | 50-90 | 50-90 | |
| PH value (1% aqueous solution) | 3.5-5.0 | 3.5-5.0 | 3.5-5.0 | 3.5-5.0 | |
| Water insoluble % | – | ≤0.1 | ≤0.5 | ≤1.5 | |
| Packing | 25 kgs PP bag;20 kgs PE bag; Ton bag | ||||
| Storage | PAC powder shall be sealed and stored in the dry and ventilated place to prevent from rain, high temperature and strong sunlight. | ||||
Main Applications of PAC Polyaluminum Chloride
Polyaluminum Chloride (PAC) is a widely used inorganic coagulant in water treatment and various industrial processes. It helps remove suspended solids, colloidal particles, organic impurities, and certain pollutants from water. Due to its versatile treatment performance, PAC serves municipal water plants, industrial wastewater facilities, papermaking mills, and other industries.
1. Drinking Water Purification
PAC plays an important role in drinking water treatment. It helps remove suspended particles, colloids, turbidity, and natural organic matter from raw water. By promoting particle aggregation and floc formation, PAC makes sedimentation and filtration more efficient. It also helps reduce certain organic impurities and improve water clarity.
2. Industrial Wastewater Treatment
Various industries use PAC to treat wastewater containing dyes, oils, suspended solids, and organic pollutants. In textile dyeing and printing, it helps remove color and colloidal impurities. In petroleum refining and machinery manufacturing, PAC promotes the separation of emulsified oil from water. Meanwhile, papermaking, food processing, and metallurgical industries use it to reduce suspended solids, fibers, fillers, and certain heavy metal pollutants.
3. Municipal Sewage Treatment
Municipal wastewater treatment plants use PAC in primary treatment, chemical phosphorus removal, and advanced purification processes. It helps remove suspended solids and colloidal matter while reducing phosphorus concentrations through chemical precipitation. In addition, PAC can improve effluent quality after biological treatment by removing residual particles, color, and certain organic pollutants.
4. Industrial Circulating Water Treatment
This chemical helps control suspended solids in industrial circulating cooling water systems. It promotes the aggregation and removal of fine particles, reducing water turbidity and the accumulation of suspended impurities. This application helps maintain water quality and supports the stable operation of cooling systems.
5. Papermaking Industry
In the papermaking industry, PAC serves as a retention aid and neutral sizing precipitant in selected production processes. It helps improve the retention of fine fibers and fillers, supports the distribution of sizing agents, and contributes to better paper formation and production efficiency.
6. Sludge Treatment and Dewatering
The product also supports sludge conditioning before mechanical dewatering. It promotes the aggregation of fine sludge particles and improves solid-liquid separation during processes involving filter presses, belt presses, and centrifuges. Consequently, operators can obtain drier filter cakes and reduce the volume of sludge for subsequent handling.
Product Features of PAC Chemical
- High-Efficiency Water Purification. This flocculant generally delivers better purification performance than traditional products such as aluminum sulfate. It quickly removes suspended solids and various impurities, including turbidity, color, organic matter, and certain microorganisms. Moreover, it forms larger flocs that settle rapidly, allowing treatment facilities to handle higher water volumes. It also consumes less alkalinity during treatment than many conventional inorganic flocculants, reducing or even eliminating the need for additional alkalinity adjustment.
- Wide Adaptability. Polyaluminum chloride works effectively across a broad source water pH range of 5.0–9.0 and maintains good flocculation performance under different water conditions. It suits various water sources, including groundwater, river water, and lake water. Furthermore, this product performs well in challenging conditions such as low temperatures, low turbidity, and relatively low pH levels.
- Environmental Benefits and Cost Efficiency. Fengbai’s water treatment chemicals offer relatively low corrosivity and stable operating performance. They also introduce fewer additional salts into treated water, which benefits subsequent processes such as ion exchange and high-purity water production. Although the production cost may exceed that of some traditional flocculants, its efficient purification performance and relatively low dosage help users reduce overall treatment expenses.
- Distinct Physical and Chemical Properties. The powder dissolves and disperses readily in water, making it easier to prepare and apply than traditional flocculants such as aluminum sulfate. In addition, this material offers good chemical stability under suitable storage and operating conditions. These properties support consistent treatment performance and help maintain water quality.
- Wide Range of Applications. This inorganic coagulant serves various water treatment applications, including municipal water supply, urban sewage treatment, and industrial water purification. In addition, industries use it to treat wastewater and condition sludge, as well as to recover certain valuable materials from wastewater. In the papermaking industry, the white grade also serves as a neutral sizing precipitant and provides an alternative to aluminum sulfate in selected production processes.
Leading Poly Aluminum Chloride Manufacturer & Supplier in China
As a professional manufacturer of poly aluminium chloride (PAC) in China, Henan Fengbai Industrial Co., Ltd. has been focusing on the research, production and sales of various water treatment chemicals since 1999.
In 2003, we have established a polyaluminium chloride factory, and the annual production include 40,000 tons PAC chemical for drinking water grade and 30,000 tons PAC chemical for industrial wastewater grade. So we can provide sufficient supply, reasonable factory prices, high quality products and good services for all the customers.
Now Fengbai PAC poly aluminium chloride chemicals have been exported to more than 30+ countries, including Indonesia, Vietnam, Philippines, Malaysia, Singapore, Thailand, Russia, Ecuador, Colombia and other countries. therefore, our PAC products are also well received by many new and old foreign customers. Most of these customers have established long-term cooperative relationships with Fengbai Company. If you are looking for high-quality poly aluminium chloride PAC chemical for water treatment, please contact us online any time.