Activated Alumina for Hydrogen Peroxide
Purification media that removes organic impurities from H₂O₂
Specially treated activated alumina for removing anthraquinone, alkali and organic impurities during hydrogen peroxide production and recycling.
Product Overview
In the anthraquinone process for hydrogen peroxide production, the working solution must be continuously purified to remove degradation products such as tetrahydroanthraquinone derivatives, organic acids and alkali. Activated alumina selectively adsorbs these impurities, protecting the hydrogenation catalyst and ensuring stable peroxide decomposition control.
Our hydrogen peroxide grade is manufactured with tight quality control to guarantee very low iron and sodium content, preventing catalytic decomposition of H₂O₂ and maximizing yield. Particle sizes of 2-4mm and 3-5mm are supplied for fixed-bed purification towers.
Key Features
- Selective removal of anthraquinone degradation products
- Very low Fe₂O₃ content (< 0.02%) prevents H₂O₂ decomposition
- High adsorption capacity for organic acids and alkali
- Stable structure resistant to working-solution fouling
- Available in 2-4mm and 3-5mm grades
Technical Specifications
| Al₂O₃ content | ≥ 93% |
|---|---|
| Fe₂O₃ content | ≤ 0.02% |
| Na₂O content | ≤ 0.3% |
| Surface area | 280-320 m²/g |
| Bulk density | 0.68-0.75 g/cm³ |
| Crush strength | ≥ 80 N/particle |
Applications
Frequently Asked Questions
Why is iron content critical for H₂O₂ grade alumina?
Even trace iron catalyzes the decomposition of hydrogen peroxide into water and oxygen, reducing yield and creating safety risks. Our grade is controlled to under 0.02% Fe₂O₃.
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