ZSM-22 molecular sieve is a high-performance aluminosilicate zeolite designed for selective adsorption and catalytic applications in industrial processes. Featuring a unique one-dimensional pore structure and controlled acidity, it provides superior efficiency in hydrocarbon isomerization, selective cracking, and industrial gas separation. This molecular sieve is widely used in petrochemical refining, fine chemical synthesis, and large-scale catalytic reactions, ensuring reliable adsorption and catalytic performance for continuous industrial operations.
Product Overview
ZSM-22 molecular sieve is a TON structure type with a pore size of 5.71Å, featuring a unique pore structure consisting of 10-membered, 6-membered, and 5-membered rings. Its excellent pore characteristics make it highly efficient in isomerization reactions, especially suitable for paraffin isomerization and straight-chain hydrocarbon isomerization in biodiesel production processes. ZSM-22 has strong acidic sites and good thermal stability, maintaining high catalytic performance even under high temperature and complex reaction conditions.
Key Features
- Porous Structure: With 10-membered, 6-membered, and 5-membered ring channels, ZSM-22 provides a larger reaction space and higher catalytic activity.
- Excellent Isomerization Performance: Shows outstanding catalytic effects in paraffin isomerization and straight-chain hydrocarbon isomerization, improving product quality and yield.
- High Catalytic Selectivity: Effectively and selectively converts straight-chain hydrocarbons into branched hydrocarbons, enhancing the flowability and combustion performance of petroleum products.
- Good Thermal Stability: Excellent heat stability, making it suitable for long-term operation in high-temperature reaction environments.
- High Acidic Sites: Moderately strong acidic sites, which help improve catalytic efficiency and reaction rates.
Applications
- Paraffin Isomerization: ZSM-22 is widely used in paraffin isomerization processes, improving product quality, particularly in the production of lubricating oils and high-octane gasoline.
- Biodiesel Production: In biodiesel production, ZSM-22 molecular sieve is used in the isomerization of straight-chain hydrocarbons, improving the biodiesel's performance, providing better low-temperature flowability and lower cloud point.
Crystal Structure | ZSM-22 | ZSM-22 | |
Shape | Powder | Powder | |
Size | μm | 1.0-2.0μm | 1.0-2.0μm |
Surface Area | m²/g | >300 | >300 |
Ti/Si Ratio | mol/mol | 40-60 | 60-60 |
Standard Packaging | kg | 10,100 | 10,100 |