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Alumina Catalyst Carrier Raschig Rings & Microspheres | CAS 21645-51-2
High-performance Alumina Catalyst Carriers: Raschig Rings & Microspheres with high surface area & crush strength. Customized for hydrogenation, petrochemical & gas processing.
Product Overview
Engineered for reliability in demanding catalytic processes, our alumina catalyst carriers (CAS 21645-51-2) are available in Raschig Ring and Microsphere forms. They provide the ideal combination of high surface area, superior mechanical strength, and thermal stability to maximize catalyst efficiency and lifespan in petroleum refining, chemical synthesis, and environmental applications.
Key Advantages
Optimized Pore Structure: Available in macroporous, mesoporous, and microporous configurations to suit specific reaction kinetics.
Exceptional Mechanical Strength: High crush strength and low attrition minimize breakdown and active component loss, reducing reactor pressure drop and operational costs.
High Thermal Stability: Maintain structural integrity under high temperatures and during thermal cycling.
A widely used shape for increasing the distribution area of gases or liquids, providing excellent support and protection for catalyst active ingredients.
Typical Chemical Composition
Component
Specification
SiO₂
0.02 - 0.06 %
Fe₂O₃
≤ 0.015 %
Na₂O
≤ 0.1 %
LOI
1 - 10 %
Physical Properties by Pore Type
Pore Type
Pore Volume (ml/g)
Surface Area (m²/g)
Macroporous
0.8 - 1.2
100 - 300
Mesoporous
0.6 - 0.8
100 - 300
Microporous
0.3 - 0.5
100 - 280
Alumina Microsphere Carriers
White spherical carriers with even structure, high crush strength, and excellent resistance to thermal shock and water exposure.
Typical Data Sheet
Type
BET SA (m²/g)
Pore Volume (ml/g)
Crush Strength (N/particle)
Diameter (mm)
γ -sphere
127.0
0.690
57.7
3-4
α -sphere
6.7
0.013
26.5
1.2-1.4
Other sizes (e.g., 4mm, 100-350μm) are available upon request.
Industrial Applications
Petroleum Refining: Especially as a catalyst carrier for petroleum distillate hydrogenation.
Chemical Processing: Used in reactors for various chemical syntheses.
Environmental & Gas Processing: Employed in drying towers, absorption towers, scrubbing towers, and water purification systems.
Steel & Metallurgy: For gas treatment and purification processes.
As Adsorbents & Desiccants: Can be used directly for drying and separation processes.
Your Partner in Catalytic Solutions
We understand that catalyst performance hinges on the carrier. Our strength lies in our ability to tailor the physical and chemical properties—from pore size distribution to shape and purity—to meet the exact requirements of your process. Contact us today to discuss your specific application needs. Our technical team is ready to provide a customized carrier solution that enhances your catalyst's activity, selectivity, and lifetime.
