Low Iron Aluminum Sulfate
✔ Chemical Industry – Acts as a catalyst in Friedel-Crafts alkylation and acylation reactions.
✔ Water & Wastewater Treatment – Used as a coagulant to remove impurities and turbidity.
✔ Pharmaceuticals – Employed in the synthesis of drugs and organic compounds.
✔ Cosmetics & Antiperspirants – Found in antiperspirant products (aluminium chlorohydrate derivatives).
✔ Petroleum Refining – Helps in alkylation processes for fuel production.
Quality standards
| Item
|
Index | |
| Solid | Liquid | |
| Appearance | Gray-green granules or powder | Gray-green liquid |
| Density (gcm³, 20℃) | — | ≥1.28 |
| Aluminum oxide (mass fraction, %) | ≥16 | ≥7.8 |
| Iron oxide (mass fraction, %) | ≤0.5 | ≤0.25 |
| Water insoluble matter (%) | ≤0.15 | ≤0.10 |
| pH value (1% aqueous solution) | ≥3 | ≥3 |
Usage
Inject tap water at room temperature into the dissolving tank, add aluminum sulfate, the ratio of aluminum sulfate to tap water is 1:5~2:5, mix and stir until the uniform light green liquid is used, and then add water to dilute to the required concentration after complete dissolution. During flocculation treatment, the dosage of aluminum sulfate is generally 5~50 mgL, and the dosage can be increased to 90~110 mgL for phosphorus removal.
Packaging, storage and transportation
Solid is 25kg, 50kg; liquid is 1000kg barrel. Store in a cool, ventilated warehouse, away from fire and heat sources.
It should be stored separately from oxidants and should not be mixed. The storage stability period of this product is 12 months.
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