Industrial Grade 3A Molecular Sieve Zeolite Adsorbent Used for Natural Gas Dehydration and Insulated Glass Moisture Removal
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Model |
3A |
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Color |
Light gray |
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Nominal pore diameter |
3 angstroms |
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Shape |
Sphere |
Pellet |
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Diameter (mm) |
1.7-2.5 |
3.0-5.0 |
1.6 |
3.2 |
Size ratio up to grade (%) |
≥98 |
≥98 |
≥96 |
≥96 |
Bulk density (g/ml) |
≥0.72 |
≥0.70 |
≥0.66 |
≥0.66 |
Wear ratio (%) |
≤0.20 |
≤0.20 |
≤0.2 |
≤0.2 |
Crushing strength (N) |
≥55/piece |
≥85/piece |
≥30/piece |
≥40/piece |
Static H2O adsorption (%) |
≥21 |
≥21 |
≥21 |
≥21 |
Ethylene adsorption (‰) |
≤3.0 |
≤3.0 |
≤3.0 |
≤3.0 |
Water content (%) |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
Typical Chemical Formula |
0.4K2O . 0.6Na2O . Al2O3 . 2SiO2 . 4.5 H2O SiO2 : Al2O3 ≈2 |
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Typical Application |
a) Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien) b) Cracked Gas Drying c) Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required. d) Drying of highly polar compounds, such as methanol and ethanol e) Drying of liquid alcohol f) Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled. g) Drying of CNG. |
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3A Molecular Sieve Product Introduction
3A Molecular Sieve is a kind of alkali metal aluminosilicate zeolite with 3 angstrom pore diameter, also known as Type 3A Zeolite Desiccant. Its unique microporous structure only allows water molecules to enter and be adsorbed, while blocking larger molecules such as ethane, propane and other hydrocarbons, so it features exclusive selective dehydration function that other desiccants cannot match.
The core application scenarios include insulated glass unit anti-fog treatment, natural gas and cracked gas dehydration, olefin and refrigerant drying, air separation system dehumidification as well as pipeline gas and organic solvent moisture elimination. After being saturated with adsorbed water, the molecular sieve can be regenerated via high temperature heating for repeated use, which effectively cuts down running cost for industrial projects.
We provide complete size options and flexible packaging including 25kg small woven bags and 1 ton jumbo bulk bags, and customized specifications are acceptable to match different filling devices and bulk transportation needs from global clients.






