Activated Alumina for Hydrogen Peroxide Regeneration
1.Activated alumina is a special adsorbent for the production of hydrogen peroxide by anthraquinone method
2.It has the advantages of non-pulverizing and non-softening in the water and alkali, long service life, strong ability
3.Process:it is activated in the activation furnace, cooled, broken, screened and packed.
Product Introduction
The special adsorbent for hydrogen peroxide produced by Shandong Avant is white, spherical and porous material, non-toxic, odorless, tasteless, insoluble in water, esters, hydrocarbons, alcohols, and other organic solvents. Activated alumina for hydrogen peroxide regeneration is a special adsorbent for the production of hydrogen peroxide by anthraquinone method with strong degradation and regeneration ability.
Technical Index
Chemical analysis: | Al2O3, % | ≥92 | ≥92 |
SiO2, % | ≤0.10 | ≤0.10 | |
Fe2O3, % | ≤0.04 | ≤0.04 | |
Na2O, % | 0.3-1.0 | 0.3-1.0 | |
Physical properties: | |||
L.O.I | % | ≤7.0 | ≤7.0 |
Bulk density | g/ml | 0.60-0.70 | 0.60-0.70 |
Surface area | m2/g | ≥200 | ≥200 |
Pore volume | ml/g | ≥0.40 | ≥0.40 |
Water adsorption | % | ≥50 | ≥50 |
Regeneration capacity | g/l | ≥12 | ≥12 |
Crystal phase | γ-Al2O3 | γ-Al2O3 | |
Crushing strength | N/Granule | ≥100 3-5mm | ≥120 4-6mm |
In addition to absorbing the alkali in the working liquid, activated alumina has a strong regeneration ability to the hydride degradation, which can convert the increased degradants in the hydrogenation reaction into effective anthraquinone, ensuring the stability of the total effective anthraquinone, which is conducive to the oxidation reaction, reducing the addition of anthraquinone, and saving the operating cost.At the same time, considering the need of regeneration, avtivated alumina is used to ensure good mechanical properties of hydrogen peroxide, and the activity changes little after regeneration.
Aluminum oxide used for catalyst or catalyst support has certain requirements in terms of physical properties and structure.
The most basic features are specific surface area, pore structure, crystal structure, etc. For example, the reforming catalyst is the precious metals platinum and rhenium supported on γ-Al2O3 or η-Al2O3. The structure of AL2O3 has a great influence on the reaction activity. When it is loaded on other forms of aluminum oxide, its activity is very low.
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