Activated Alumina For The Production Of Hydrogen Peroxide
Hydrogen peroxide is an oxidant, H2O2 is an important inorganic chemical product, due to the use of non-polluting characteristics, known as the "cleanest" chemical products, as an oxidant, bleaching agent, disinfectant is widely used in chemical, textile, paper, environmental protection, organic synthesis, electroplating, sewage treatment, chemical medicine It is widely used in chemical, textile, paper, environmental protection, organic synthesis, electroplating, sewage treatment, chemical medicine, electronics and cosmetics industries. Anthraquinone method is one of the more mature production methods in this industry in the world, and almost all manufacturers at home and abroad use anthraquinone method to produce hydrogen peroxide. Activated alumina is the necessary raw material for the production of hydrogen peroxide by anthraquinone method.
Hydrogen peroxide adsorbent is actually a dealkalizer. Activated alumina balls are used in the hydrogenated solution regeneration bed and white clay bed in the hydrogenated solution regeneration bed to regenerate the anthraquinone degradation in the hydrogenated solution, and in the white clay bed to regenerate the possible anthraquinone degradation and adsorb the potassium carbonate solution droplets in the working solution. It can be seen that the role of activated alumina balls in the production process of hydrogen peroxide is not small, mainly dealkaline adsorption and anthraquinone regeneration agent.
1. Activated alumina is mainly used to regenerate the degradation of working fluid in the process of hydrogenation and oxidation, increase the effective anthraquinone content in the working fluid and stabilize the working fluid components.
2. Activated alumina is used to adsorb the small amount of alkali entrained in the working solution in the post-treatment process, which is actually a dealkalizer. It avoids catalyst poisoning and hydrogen peroxide decomposition caused by too much alkali in the working fluid.
Technical Parameter:
| Model | Activated Alumina for Hydrogen Peroxide | |
| Crystal Type | y | |
| Chemical Composition | Al2O3 % | ≥93 |
|
Na2O % |
≤0.3 | |
| LOI | % | ≤8 |
| Bulk Density | g/ml | 0.65-0.75 |
| Surface Area | m2/g | 260-300 |
| Pore Volume | ml/g | 0.40-0.46 |
| Static Absorption (RH=60%) | % |
Water Absorption |
| 50 | ||
| Active | % | 56-62 |
| Attrition Loss |
% |
≤1.0 |
| Crushing Strength (mm) | 3-5mm | ≥150 |
| 4-6mm | ≥180 | |
Activated Alumina use precautions.
1. When the activated alumina adsorbs the alkali in the working fluid and reaches saturation, it can no longer continue to work and must be replaced in time.
2. Activated alumina in the process of use by water, acid, alkali long-term corrosion and impregnation will be crushed, should be replaced in a timely manner.
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