描述
Molecular sieve is a micro-porous crystal of alumino-silicate. it has the characteristics of uniform pore size, strong adsorption performance. Due to their different uses, they are divided into 3A, 4A, 5A, 13X, 13X APG, 13X HP, CaX, Li-X, carbon molecular sieves, etc.
Advantage is selected according to the size and shape of the molecules. Only those molecules smaller than the pore size of the molecular sieve are adsorbed. For small polar &unsaturated molecules, it has selective adsorption properties. The greater the polarity and the higher the degree of unsaturation, the stronger the selective adsorption. Even in higher temperature, larger space velocity and lower water content, there is still a relatively high water absorption capacity.
| Item | Unit | Technical data | |||
| Shape | Pellet | Sphere | |||
| Diameter | mm | 1.6 (1/16 inch) | 3.2 (1/8 inch) | 1.7-2.5 (8*12 mesh) | 3.0-5.0 (4*8 mesh) |
| Size ratio up to grade | % | ≥96 | ≥96 | ≥98 | ≥98 |
| Bulk density | g/ml | ≥0.65 | ≥0.65 | ≥0.68 | ≥0.68 |
| Wear ratio | % | ≤0.40 | ≤0.40 | ≤0.20 | ≤0.20 |
| Crushing strength | N | ≥25/piece | ≥65/piece | ≥30/piece | ≥85/piece |
| Static water adsorption | % | ≥25 | ≥25 | ≥25 | ≥25 |
| Static CO2 adsorption | ‰ | ≥17 | ≥17 | ≥17 | ≥17 |
| Water content, as shipped | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
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