Activated Alumina Catalyst Support
1.Activated alumina catalyst support is widely used in the oil industry
2.Characteristics:adjustable pore structure, large specific surface area, good adsorption performance, acidity and good thermal stability on the surface
3.It plays an important role in the reaction process of petroleum hydrocracking, hydrorefining, hydroreforming, dehydrogenation and automobile exhaust gas purification.
Product Introduction
Alumina is an important chemical raw material and is widely used in ceramics, medicine, adsorption materials, catalysts and catalyst carriers.
Characteristics of activated alumina catalyst support :
① Adjustable pore structure
② Large specific surface area
③ Good adsorption performance, acidity
④ Good thermal stability on the surface
so it has become a chemical and stone material.
It is most widely used catalyst or catalyst carrier in the oil industry.
It plays an important role in the reaction process of petroleum hydrocracking, hydrorefining, hydroreforming, dehydrogenation and automobile exhaust gas purification.
The pore structure of activated alumina catalyst support (including specific surface area, pore volume and pore size distribution) not only has an important influence on the dispersion of the supported active components, but also directly affects the mass transfer and diffusion during the reaction.
The source of the pores of the activated alumina catalyst carrier depends on the voids between the particles, and the size and shape of the pores completely depend on the size, shape and packing method of the particles.
Different catalytic reactions have different requirements on the pore structure of it, and the pore structure of the catalyst is determined by the pore structure of the avtivateds alumina catalyst support. Therefore, the modulation of the structure is the selection of the appropriate it for each catalytic reaction. important steps.
Technical Index:
Technical Data Sheet | ||||||||||
Series | Specification (mm) | AL2O3 (%) | SiO2 (%) | Fe2O3 (%) | Na2O (%) | Bulk Density (g/ml) | Surface Area (m2/g) | Pore Volume (ml/g) | Crushing Strength (N/Granule) | |
Precious metal catalyst carrier | AM-PMS | Φ2.5-3.8 | ≥92 | ≤0.10 | ≤0.04 | ≤0.1 (Max≤0.40) | 0.5-0.7 | ≥200 | ≥0.42 | ≥50 |
Φ2-4 | ≥92 | ≤0.10 | ≤0.04 | ≤0.1 (Max≤0.40) | 0.5-0.7 | ≥200 | ≥0.42 | ≥60 | ||
Thin-shell type AL2O3 supported Pt-Pd double noble metal catalyst | AVANT- CC-OO | Φ2-3 | ≥92 | ≤0.10 | ≤0.04 | ≤0.45 | ≤0.7 | ≥200 | ≥0.40 | ≥30 |
Precious metal catalyst carrier | AM- PMS-B | Φ3-5 | ≥92 | ≤0.10 | ≤0.04 | ≤0.1 | ≤0.1 | ≥200 | ≥0.42 | ≥50 |
Φ2.5-3.8 | ≥92 | ≤0.10 | ≤0.04 | ≤0.40 | 0.5-0.7 | ≥200 | ≥0.42 | ≥50 | ||
Φ2-4 | ≥92 | ≤0.10 | ≤0.04 | ≤0.40 | 0.5-0.7 | ≥200 | ≥0.45 | ≥60 | ||
Application:
1) Preparation of supported catalysts;
2) Catalyst for petrochemical fluidized bed(Hydrogenation, dehydrogenation, reforming, thermal cracking, reduction, catalytic cracking catalyst, etc.);
3) Pharmaceutical industry catalyst;
4) Chemical Purifier;
5) Surface acidity and supported active components constitute a bifunctional catalyst.
Significant influence:
(1) Remove the volatile components and chemically binds water to convert the carrier material into the desired chemical composition, forming stable structure.
(2) Through the recrystallization process that occurs during calcination, the carrier obtains a
determine the crystal form, grain size, pore structure and surface.
(3) Improve mechanical strength through microcrystalline sintering.
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