Brand：SY CHEMICAL
Models：13X
Molecular formula：Na₂O·Al₂O₃·2.45SiO₂·6.0H₂O
Application: 13X molecular sieve is a synthetic porous aluminosilicate crystal with an X-type zeolite structure. Its unique pore structure and excellent adsorption properties have led to its widespread application in various industrial fields.
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Pore size and adsorption range: The pore size is 10 A, which can adsorb molecules with a critical diameter smaller than this value.
High specific surface area and adsorption capacity: High specific surface area provides a large number of adsorption sites.
Mechanical strength: High mechanical strength reduces pulverization loss during use.
Thermal stability: The standard type can withstand temperatures up to 800℃, while the specially treated type can withstand temperatures up to 900℃, making it suitable for high-temperature environments.
Main application areas: Commonly used industrial models for gas purification in air separation devices. Catalyst support: Due to its excellent ion exchange performance, it is often used in petrochemical catalytic reactions.
| Model | 13X APG | |||
| Color | Light gray | |||
| Nominal pore diameter | 10 angstroms | |||
| Shape | Sphere | Pellet | ||
| Diameter (mm) | 1.7-2.5 | 3.0-5.0 | 1.6 | 3.2 |
| Size ratio up to grade (%) | ≥98 | ≥98 | ≥98 | ≥98 |
| Bulk density (g/ml) | ≥0.7 | ≥0.68 | ≥0.65 | ≥0.65 |
| Wear ratio (%) | ≤0.20 | ≤0.20 | ≤0.20 | ≤0.20 |
| Crushing strength (N) | ≥35/piece | ≥85/piece | ≥30/piece | ≥45/piece |
| Static H2O adsorption (%) | ≥27 | ≥27 | ≥27 | ≥27 |
| Static CO2 adsorption (%) | ≥18 | ≥18 | ≥18 | ≥18 |
| Water content (%) | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
| Typical Chemical Formula | Na2O . Al2O3 . 2.45SIO2 . 6.0H2O
SiO2 : Al2O3 ≈2.6-3.0 |
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| Typical Application | Removal of H2O from air fro air cryo-separation application | |||
The heating rate should not be too fast (5-10℃/min is recommended) to avoid cracking and pulverization of molecular sieve particles due to thermal expansion and contraction.
The gas used for regeneration must be dry (dew point ≤ -40℃), otherwise it will introduce new moisture into the molecular sieve bed and affect the regeneration effect;
Regeneration endpoint determination: When the outlet gas temperature rises to 110-150℃ and remains there for more than 30 minutes, it indicates that the moisture in the bed has been completely desorbed, and heating can be stopped to enter the cooling stage.
If the molecular sieve has not been used for a long time or has been severely damp, the first regeneration time can be appropriately extended (4-6 hours) to ensure complete activation.
