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Polyaluminum Chloride Powder CAS 1327-41-9 for Water Treatment
Polyaluminum Chloride / PAC

Polyaluminum Chloride Powder CAS 1327-41-9 for Water Treatment

Polyaluminum Chloride Powder CAS 1327-41-9 is a high efficiency inorganic polymer coagulant used for water treatment, wastewater clarification, turbidity removal and suspended solids reduction. It is widely applied in drinking water treatment, municipal wastewater treatment, industrial wastewater treatment, paper mill wastewater, textile wastewater, mining wastewater and food processing wastewater.

    Product Overview

    Polyaluminum Chloride Powder CAS 1327-41-9, also known as PAC powder or Poly Aluminium Chloride powder, is a widely used water treatment coagulant.

    It is designed to improve coagulation, floc formation and solid liquid separation in different water and wastewater treatment systems. After dosing into water, PAC helps destabilize suspended solids, colloidal particles and fine impurities. These small particles then gather into larger flocs and can be removed through sedimentation, flotation or filtration.

    Bluwat supplies spray dried Polyaluminum Chloride powder in different grades, including PAC-01, PAC-02 and PAC-031. These grades are used for drinking water purification, municipal wastewater treatment, industrial wastewater clarification and other water treatment applications.

    Polyaluminum Chloride powder CAS 1327-41-9 for water treatment

    What Is Polyaluminum Chloride CAS 1327-41-9

    Polyaluminum Chloride is an aluminum based inorganic polymer coagulant. CAS 1327-41-9 is commonly used to identify this chemical product in technical documents, product specifications, safety data sheets and international trade.

    In water treatment, Polyaluminum Chloride works mainly as a coagulant. It neutralizes the surface charge of suspended particles and colloids, allowing them to combine and form larger flocs.

    Compared with traditional coagulants such as aluminum sulfate, PAC powder can often provide faster floc formation, better sedimentation and wider adaptability to different water qualities.

    Why Use PAC Powder for Water Treatment

    Water treatment systems often need to remove turbidity, suspended solids, colloids, organic matter and fine particles. Many of these impurities are too small to settle naturally.

    PAC powder helps improve this process through chemical coagulation. It makes fine particles unstable and easier to aggregate. Once larger flocs are formed, the water becomes easier to clarify.

    PAC powder can be used in drinking water plants, sewage treatment plants, industrial wastewater facilities, DAF systems, sedimentation tanks and filtration pretreatment systems.

    Key Advantages

    High Efficiency Coagulation

    PAC powder provides strong charge neutralization and helps fine particles form larger flocs for easier removal.

    Fast Floc Formation

    After proper dosing and mixing, PAC can quickly react with suspended solids and colloids, supporting faster clarification.

    Good Solubility

    Spray dried PAC powder dissolves well in water and can be prepared as a dosing solution for continuous treatment operation.

    Wide Application Range

    Polyaluminum Chloride CAS 1327-41-9 can be used for drinking water, municipal wastewater, industrial wastewater, paper, textile, mining, coal washing and food processing wastewater.

    Flexible Grade Selection

    Bluwat supplies white and yellow PAC powder grades to meet different purity, performance and cost requirements.

    Good Compatibility with PAM

    PAC is commonly used before PAM flocculant. PAC starts coagulation, while PAM enlarges the flocs and improves settling speed.

    Convenient Packaging

    PAC powder is supplied in 25 kg bags, suitable for storage, container loading and export supply.

    Factory Direct Supply

    Bluwat provides stable PAC powder quality, technical support and export service for global water treatment customers.

    Product Grades and Specifications

    PAC-01
    Appearance: White Powder
    Al2O3 Content: ≥30%
    Basicity: 45–55%
    Insoluble Matter: ≤0.1%
    Type: Spray Dried
    Recommended Application: Drinking water treatment and high purity water treatment requirements
    PAC-02
    Appearance: Yellow Powder
    Al2O3 Content: ≥30%
    Basicity: 45–85%
    Insoluble Matter: ≤0.1%
    Type: Spray Dried
    Recommended Application: Municipal wastewater, industrial wastewater and general water treatment coagulation
    PAC-031
    Appearance: Yellow Powder
    Al2O3 Content: ≥29%
    Basicity: 50–90%
    Insoluble Matter: ≤1.5%
    Type: Spray Dried
    Recommended Application: Industrial wastewater, sewage treatment, high turbidity water and cost effective clarification

    The suitable PAC grade should be selected according to water quality, turbidity, pH, treatment target and customer application.

    Main Applications

    Drinking Water Treatment

    PAC-01 white powder can be used for raw water clarification in drinking water treatment plants. It helps remove turbidity, suspended solids and colloidal particles before filtration and disinfection.

    Municipal Wastewater Treatment

    PAC powder supports chemical coagulation in sewage treatment plants. It helps reduce turbidity, suspended solids and phosphorus load, improving effluent clarity.

    Industrial Wastewater Treatment

    PAC-02 and PAC-031 are widely used in industrial wastewater clarification. They help remove fine particles, colloids, organic impurities and suspended solids.

    Textile Wastewater Treatment

    For textile and dyeing wastewater, PAC can support color reduction, turbidity removal and floc formation when used with decoloring agent and PAM flocculant.

    Paper Mill Wastewater Treatment

    PAC powder helps remove fibers, fillers and suspended solids from paper mill wastewater and supports sludge separation.

    Mining and Coal Washing Wastewater

    PAC improves solid liquid separation in mining wastewater and coal washing wastewater by aggregating fine mineral particles and suspended solids.

    Food Processing Wastewater

    PAC can be applied in food processing wastewater pretreatment to reduce suspended solids and improve clarification efficiency.

    How PAC Powder Works

    1
    Polyaluminum Chloride powder is usually dissolved in clean water before dosing.
    2
    After the PAC solution is added into water or wastewater, it disperses under rapid mixing and contacts suspended particles and colloids.
    3
    PAC neutralizes the charge of these fine particles. Once the particles lose stability, they begin to form micro flocs.
    4
    During slow mixing, these micro flocs grow into larger and stronger flocs. If PAM flocculant is added after PAC, the flocs can become larger and settle faster.
    5
    Finally, the formed flocs are removed by sedimentation, dissolved air flotation or filtration.

    Suggested Dosing Process

    A typical PAC treatment process includes the following steps.

    1
    First, prepare PAC powder solution with clean water.
    2
    Second, dose PAC solution into water or wastewater under rapid mixing.
    3
    Third, allow PAC to fully contact suspended solids and colloidal particles.
    4
    Fourth, adjust pH if necessary according to jar test results.
    5
    Fifth, add PAM flocculant under slow mixing if larger flocs are required.
    6
    Finally, separate the flocs by sedimentation, flotation or filtration.

    The actual dosage should be confirmed by jar testing. Water quality, pH, turbidity, suspended solids, temperature and treatment target can all affect the best dosage.

    Packaging and Storage

    Bluwat Polyaluminum Chloride Powder CAS 1327-41-9 is packed in 25 kg bags with inner plastic bag and outer woven bag.

    Storage recommendations:
    • Store in a cool, dry and well ventilated warehouse.
    • Keep away from moisture and direct sunlight.
    • Keep the bags sealed before use.
    • Avoid contact with incompatible materials.
    • Use the product promptly after opening.

    Proper storage helps maintain powder quality, solubility and coagulation performance.

    Why Choose Bluwat Chemicals

    Bluwat Chemicals is a professional manufacturer and exporter of water treatment chemicals. We supply PAC powder, PAM flocculant, water decoloring agent, PolyDADMAC, Polyamine and other chemicals for water and wastewater treatment.

    Bluwat PAC powder is produced under stable quality control and supplied in different grades for drinking water, municipal wastewater and industrial wastewater applications.

    With factory direct supply, 25 kg bag packaging, export experience and technical support, Bluwat can help customers select suitable PAC grades based on actual water samples and treatment requirements.

    Conclusion

    Polyaluminum Chloride Powder CAS 1327-41-9 is an effective water treatment coagulant for turbidity removal, suspended solids reduction, floc formation and water clarification.

    It can be used in drinking water treatment, municipal wastewater treatment, industrial wastewater treatment and many industry-specific wastewater systems.

    Bluwat supplies PAC-01, PAC-02 and PAC-031 spray dried PAC powder grades with stable quality, factory direct supply and technical support for global water treatment customers.

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