Table of Contents
- Product Overview & Specifications
- Key Applications & Uses
- Step-by-Step Usage Guide
- Industry Case Studies
- Request Customized Solution
Aluminium Sulfate (CAS 10043-01-3) Technical Specifications
Basic Parameters
| Parameter | Specification |
|---|---|
| Chemical Formula | Al2(SO4)3 |
| Molecular Weight | 342.15 g/mol |
| Appearance | White crystalline solid |
| Al2O3 Content | 17% ± 0.5% |
| Solubility | 31.2 g/100ml (20°C water) |
| pH (1% Solution) | 2.9-3.5 |
| Bulk Density | 1.2-1.3 g/cm³ |
Grade Comparison
| Feature | Industrial Grade | Food Grade | Pharma Grade |
|---|---|---|---|
| Purity | ≥99% | ≥99.5% | ≥99.9% |
| Heavy Metals | <10 ppm | <5 ppm | <2 ppm |
| Packaging | 25kg bags | Food-grade PE | GMP-certified |
Industrial Applications
Water Treatment
Primary coagulant for municipal/industrial wastewater treatment. Removes 85-95% of suspended solids at 20-60 mg/L dosage.
Paper Manufacturing
pH control agent in paper sizing processes. Typical usage: 0.5-2% of pulp weight improves paper strength by 20-35%.
Textile Industry
Mordant for dye fixation, increasing color fastness by 2-3 grades. Usage rate: 5-15% of fabric weight.
Operational Guidelines
Water Treatment Protocol
- Prepare 10-15% solution in mixing tank
- Maintain reaction pH 6.5-7.5
- Add 5-50 mg/L based on turbidity
- Flocculation time: 20-40 minutes
Safety Measures
| Parameter | Requirement |
|---|---|
| PPE | Chemical goggles, rubber gloves |
| Storage | Keep dry below 30°C |
| Incompatible Materials | Strong bases, oxidizers |
Documented Case Studies
Case 1: Municipal Water Plant
Client: City Water Authority (Anhui, China)
Challenge: Reduce turbidity from 25 NTU to <1 NTU
Solution: 35 mg/L dosage achieved 0.5 NTU final output
Cost Saving: 18% reduction in flocculant consumption
Case 2: Textile Dyeing Facility
Client: GreenTex Fabrics Co., Ltd.
Challenge: Improve color retention on cotton
Solution: 8% mordant application increased wash fastness from 3 to 5 (ISO 105-C06)
ROI: 22% reduction in dye costs
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