Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of polyaluminum chloride powder in China. Welcome to wholesale high quality polyaluminum chloride powder made in China here from our factory. For price consultation, contact us.
Yellow powder polyaluminum chloride Key Advantages
|
Project |
Industrial grade (yellow polyaluminum) |
Contrast white polyaluminum (high purity) |
|
Alumina (Al₂O₃) content |
≥28.0% |
≥29.0%-31.0% |
|
Basicity |
40%-90% |
40%-90% |
|
Water insoluble content |
≤0.5% |
≤0.1%-0.3% |
|
pH value (10g/L solution) |
3.5-5.0 |
3.5-5.0 |
|
Heavy metals (such As Pb and As) |
≤0.002% |
≤0.001% |
|
Iron (Fe) content |
≤1.0%-3.0% |
≤0.01% |
- Origin of colour: Residue of iron ion (Fe³ +) is the main cause of yellow and industrial-grade products have a low requirement for iron content.
- High Efficiency: Low dosage, large floc formation, rapid settling, and superior performance compared to traditional aluminum salts (e.g., aluminum sulfate).
- Broad Adaptability: Effective across a wide pH range (pH 5–9) and in low-temperature, low-turbidity water.
- Safety: Non-toxic with low residual Al³⁺ concentrations, meeting environmental regulations.
- Cost-Effectiveness: Low operational costs and user-friendly application.
Operational Guidelines
- Dosage: Determined via water quality testing (typical ranges: 5–50 mg/L for liquid PAC; 1–15 mg/L for solid PAC).
- Storage: Avoid moisture; liquid products require frost protection.
- Mixing: Ensure thorough mixing with wastewater before settling.
Summary
Industrial-grade polyaluminum chloride (PAC) is a cornerstone coagulant in water treatment due to its high efficiency, versatility, and cost-effectiveness. Optimal performance requires tailored selection based on water quality parameters (e.g., turbidity, pH, pollutant type) and precise dosing adjustments.
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