new material
Amorphous silica-alumina is a high-performance catalytic support material designed with optimized acidity and surface properties for enhanced hydrocarbon processing efficiency. Featuring a non-crystalline structure, it offers superior thermal stability, controlled porosity, and improved catalytic activity. This material is widely used in petrochemical refining, fluid catalytic cracking, and hydroprocessing applications, delivering reliable performance for continuous industrial processing.
Product Overview
Amorphous silica-alumina is a material with high acidity, high specific surface area, large pore volume, concentrated pore distribution, and high purity. It is developed using a sol-gel method. The silicon and aluminum atoms are bonded through atomic bonds and evenly distributed, making it ideal for use as a catalyst support in processes like wax oil hydrocracking and diesel hydrofining. This material helps protect the acidic active centers of molecular sieves, extending catalyst life, and exhibits excellent performance when processing high-nitrogen, high-density oils.
Key Features
- Atomic Bonding:Silicon and aluminum ratios can be adjusted based on requirements, offering flexible customization.
- Adjustable Pore Structure:Large pore volume, concentrated pore distribution, and customizable to meet different catalytic needs.
- High Purity and Low Cost:Produced through a gradient exchanger concentration technique, ensuring low production costs and high purity.
- High Acidity and Specific Surface Area:Optimized for catalytic performance, enhancing catalyst efficiency.
Applications
- Wax Oil Hydrocracking:Used as a catalyst support to provide an ideal pore structure, effectively protecting the acidic active centers of molecular sieves and prolonging catalyst life.
- Diesel Hydrofining:When combined with alumina, it enhances catalyst acidity and improves performance in processing high-nitrogen, high-density oils without altering acidity strength.
- Petrochemical Industry:Suitable for use as a catalyst support in various petrochemical processes, significantly improving catalytic reaction efficiency.
| Property | Specification |
| Shape | Powder |
| Pore Volume (mL·g⁻¹) | ≥1.0 |
| Surface Area (m²·g⁻¹) | ≥400 |
| Si Content (wt%) | 30~35 |
| Na Content (wt%) | ≤0.1 |
| Total Acid Value (mmol/g) | 0.8 |
