Explore our primary manufacturing catalog. Certified high crushing strength, optimize dew point limits down to -70°C, and exceptional dynamic adsorption capacity.
Activated alumina (highly porous aluminum oxide, $\gamma$-$\text{Al}_2\text{O}_3$) is generated via the controlled thermal dehydroxylation of aluminum trihydroxide (gibbsite). This process induces a vast matrix of interconnected capillary networks and sub-nanometer pores. The resulting beads feature a massive specific surface area—frequently exceeding 300 to 360 m²/g—making them one of the most reliable and highly efficient chemical adsorbents globally.
Our advanced formulation utilizes structural modifiers to suppress phase transformation, ensuring that the gamma-phase transition remains stable even during repetitive, high-temperature thermal regeneration cycles. Crucially, the internal geometry of the pore distribution is calibrated to target water vapor, acid radicals, and fluoride ions while maintaining a high mechanical crush strength that minimizes dust generation down to negligible industrial ppm limits.
"The optimized balance between pore volume ($>0.45 \text{ cm}^3/\text{g}$) and bulk density ($0.68-0.74 \text{ g/cm}^3$) yields maximum static adsorption capacity, guaranteeing continuous instrument air drying without pressure drop penalties inside massive desiccant towers."
For global engineering consultants and procurement heads, sourcing activated alumina involves balancing technical criteria against pricing models. The global pricing for activated alumina is closely tied to the cost of raw chemical grade bauxite, aluminum hydroxide reserves, calcination energy tariffs (primarily natural gas and electricity), and specialized additives (e.g., potassium permanganate for air treatment chemistry).
| Grade Classification | Standard Particle Size | Surface Area (m²/g) | Bulk Density (g/ml) | Crush Strength (N) | Indicative Price Range (USD/MT) |
|---|---|---|---|---|---|
| JZ-K1 Standard Desiccant | 3.0 - 5.0 mm | > 320 | 0.68 - 0.72 | > 120 | $1,150 - $1,450 |
| JZ-K1W Water Resistance | 4.0 - 6.0 mm | > 300 | 0.70 - 0.74 | > 140 | $1,300 - $1,650 |
| JZ-K3 Fluoride Removal | 2.0 - 4.0 mm | > 340 | 0.68 - 0.72 | > 110 | $1,250 - $1,550 |
| JZ-M1 Permanganate Blend | 3.0 - 5.0 mm | > 280 | 0.75 - 0.82 | > 90 | $1,600 - $2,100 |
Our activated alumina beads play a critical role in major global industrial sectors:
Located in Shanghai, the largest economic development hub in China, Jiuzhou has consistently prioritized "quality control and innovation." For decades, we have focused on the research, manufacturing, and development of premium, innovative chemical adsorbents.
Our comprehensive portfolio includes molecular sieve powders, active alumina beads, catalysts, ceramic support balls, and specialized packing materials. Certified under the ISO9001:2008 Quality Management System, TUV, and SGS, our products meet rigorous international standards.
With advanced, multi-functional automated production lines and a highly equipped central laboratory, Jiuzhou ensures consistent quality control and excellent performance across all distribution channels worldwide.
Our two specialized factories in Shanghai and Wuxi feature advanced process controls, ensuring a reliable supply of molecular sieves and active alumina products.
Focuses on high-capacity chemical synthesis, quality control, and international logistics management.
Features state-of-the-art rotary kilns and calcination systems designed for precise pore-structure engineering.
Jiuzhou is actively involved in drafting and defining regional and national industrial standards, helping guide manufacturing requirements across the adsorption industry.
We are committed to cleaner air and low-emission production. Our energy-efficient manufacturing processes align with carbon-reduction goals while delivering reliable industrial solutions.
Common inquiries from process engineers and procurement specialists regarding specifications, selection, and operations.
Check the specifications and pricing for our specialized carbon molecular sieves, alumina catalysts, and custom desiccants.
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