3A Molecular Sieve For Drying Petroleum Cracked Gas
3A molecular sieves have a bulk density between 0.60 and 0.68 g/ ml and are mainly used in the petroleum and oil industry for the desiccation of alkenes and the purification of petroleum gas. Since molecular sieves have high adsorbent properties and selective adsorption properties, they are widely used in the selective absorption of H2O into polyurethane, and insulated glass.
3A molecular sieves are mainly used for drying petroleum cracked gas, olefin, refinery gas, and oilfield gas, due to their pore size and as a desiccant material in chemical, pharmaceutical, insulating glass, and other important industries. They are also used for drying liquids such as ethanol, air drying of insulating glass, nitrogen and hydrogen mixed gas drying, and refrigerant drying, which makes it a great adsorbent material to be used across various industries and applications.
The 3A molecular sieve size has faster adsorption speed, good crushing resistance, and pollution resistance, and is a sustainable option as it can be reused multiple times upon regeneration.
Technical Parameter:
| Model | 3A | |
| CAS Number | 308080-99-1 | |
| Nominal pore diameter | 3 angstroms | |
| Shape | Sphere | Pellet |
| Diameter (mm) | 3.0-5.0(4*8 mesh) | 3.2(1/8 inch) |
| Size ratio up to grade (%) | ≥98 | ≥96 |
| Bulk density (g/ml) | ≥0.70 | ≥0.68 |
| Wear ratio (%) | ≤0.20 | ≤0.40 |
| Crushing strength (N) | ≥85/piece | ≥50/piece |
| Static H2O adsorption (%) | ≥21 | ≥21 |
| Ethylene adsorption (‰) | ≤3.0 | ≤3.0 |
| Water content (%) | ≤1.5 | ≤1.5 |
| Typical Chemical Formula |
0.4K2O . 0.6Na2O . Al2O3 . 2SiO2 . 4.5 H2O (SiO2 : Al2O3 ≈2) |
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