SAPO-18 molecular sieve is a high-performance silicoaluminophosphate material designed for selective adsorption and catalytic applications in industrial processes. Featuring a unique pore structure and controlled acidity, it provides excellent efficiency in hydrocarbon isomerization, gas separation, and catalytic conversion. This molecular sieve is widely used in petrochemical refining, fine chemical synthesis, and large-scale catalytic processes, ensuring reliable adsorption and catalytic performance for continuous industrial operations.
Product Overview
SAPO-18 molecular sieve features an AEL structural type with a pore size of 3.84Å, consisting of 8-membered, 6-membered, and 4-membered ring channels. This molecular sieve is widely used in various chemical and environmental applications due to its excellent catalytic properties. It excels in processes like methanol-to-olefins (MTO), selective catalytic reduction (SCR) for mobile source exhaust, and flue gas denitrification in fixed sources. With its unique pore structure, SAPO-18 provides exceptional selectivity and high catalytic performance in these fields.
Key Features
- Multi-Ring Pore Structure: With 8-membered, 6-membered, and 4-membered ring channels, SAPO-18 offers a broad catalytic reaction space, enhancing catalytic activity and selectivity.
- High Catalytic Activity: Particularly suitable for the methanol-to-olefins (MTO) process, SAPO-18 efficiently produces important olefins like ethylene and propylene.
- Environmental Performance: Demonstrates outstanding NOx removal ability in both mobile and fixed-source flue gas denitrification, reducing harmful emissions.
- Thermal Stability and Durability: SAPO-18 exhibits excellent thermal stability and durability, making it suitable for long-term use in high-temperature environments.
Applications
- Methanol-to-Olefins (MTO): Widely used in methanol-to-olefins processes, especially for the efficient production of light olefins like ethylene and propylene.
- Mobile Source Exhaust Denitrification: Used in selective catalytic reduction (SCR) for automobile exhaust treatment, significantly reducing NOx emissions.
- Fixed Source Flue Gas Denitrification: Effectively removes NOx from industrial flue gas, meeting environmental emission standards.
Crystal Structure | SAPO-18 | SAPO-18 | SAPO-18 | |
Shape | Powder | Powder | Powder | |
Size | nm | 200-400nm | 200-400nm | 200-400nm |
Surface Area | m²/g | >600 | >600 | >600 |
Si/Al Ratio | mol/mol | 26-28 | 20-22 | 16-18 |
Standard Packaging | kg | 10,100 | 10,100 | 10,100 |