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- Zeolite 3A Molecular Sieve
Zeolite 3A Molecular Sieve
Product Description
Ball-tec Molecular Sieve type 3A is an alkali metal alumina-silicate; it is the potassium form of the type A crystal structure. Type 3A has an effective pore opening of about 3 angstroms (0.3nm).
Typical Chemical Formula:
0.4K2O. 0.6Na2O. Al2O3. 2SiO2. 4.5 H2O (SiO2: Al2O3 ≈2)
Typical Application:
• Dehydration of unsaturated hydrocarbons (e.g. ethylene, propylene, butadiene).
• Cracked Gas Dehydration.
• Dehydration of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
• Dehydration of highly polar compounds, such as methanol and ethanol Dehydration of liquid alcohol.
• Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
• Dehydration of CNG.
Physical Properties
| Model | 3A | |||
| Color | Light gray | |||
| Nominal pore diameter | 3 angstroms | |||
| Shape | Sphere | Pellet | ||
| Diameter (mm) | 1.7-2.5 (8*12 mesh) | 3.0-5.0 (4*8 mesh) | 1.6 (1/16 inch) | 3.2 (1/8 inch) |
| Size ratio up to grade (%) | ≥98 | ≥98 | ≥96 | ≥96 |
| Bulk density (g/ml) | ≥0.70 | ≥0.70 | ≥0.68 | ≥0.68 |
| Wear ratio (%) | ≤0.20 | ≤0.20 | ≤0.40 | ≤0.40 |
| Crushing strength(N) | ≥35/piece | ≥85/piece | ≥30/piece | ≥50/piece |
| Static H2O adsorption(%) | ≥21 | ≥21 | ≥21 | ≥21 |
| Dynamic capacity(%) | ≥20 | ≥20 | ≥20 | ≥20 |
| Ethylene adsorption (‰) | ≤3.0 | ≤3.0 | ≤3.0 | ≤3.0 |
| Water content(%) | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
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