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Type 3A has an effecttive pore openg of about 3 angstoms(0.3nm).This is large enough to allow in moisture,but excludes molecules such as unsaturated hydrocarbons which can potentially form polymers;and this maximises lifetime when dehydrating such molecules.
Formula
0.45 K2O. 0.55 Na2O. Al2O3.2SiO2.4.5H2O
SiO2:Al2O3≈ 2
Technical Data
| Item | Unit | Technical data | |||
| Shape | Pellet | Sphere | |||
| Diameter | mm | 1.5-1.7 | 3.0-3.3 | 1.7-2.5 | 3.0-5.0 |
| Size ratio to grade | % | ≥98 | ≥98 | ≥98 | ≥98 |
| Crushing strength | N | ≥45/cm | ≥60/cm | ≥30/piece | ≥45/piece |
| Static water adsorption | % | ≥20 | ≥20 | ≥20 | ≥20 |
| Ethylene adsorption | % | ≤3 | ≤3 | ≤3 | ≤3 |
| Water content | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
| Bulk density | g/ml | ≥0.64 | ≥0.64 | ≥0.68 | ≥0.68 |
| Wear ratio | % | ≤0.2 | ≤0.2 | ≤0.1 | ≤0.1 |
Application
1.Drying of unsaturated hydrocarbons(eg:ehy;ene,propylene,butadien)
2.Cracked gas drying
3.Drying of natural gas,if COS minimization is essential,or a minimum co-adsorption of hydrocarbons is required
4.Drying of highly polar compounds ,such as methanol and ethanol
5.Drying of liquid alcohol
6. Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
7.Drying of refrigerants.
Size
3A-Zeolites are available in beads of 1-2mm,(10X18mesh),2-3mm(8x12mesh),2.5-5mm(4x8 mesh) and as powder,and in pellet 1.6",3.2"
Attention
To avoid damp and pre-adsorption of orgnic before running ,or must to be reactivated.
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