Adsorbent |
Pore Diameter dp, Å |
Particle Porosity,εp |
Particle Density ρp, g/cm3 |
Surface Area Sg, m2/g |
Capacity for H2O Vapor at 25℃ and 4.6 mmHg, wt% (Dry Basis) |
|---|---|---|---|---|---|
| Activated alumina | 10-75 | 0.5 | 1.25 | 320 | 7 |
| Silica gel： Small pore Large pore |
22-26 100-150 |
0.47 0.71 |
1.09 0.62 |
750-850 300-350 |
11 -- |
| Activated Carbon： Small pore Large pore |
10-25 >30 |
0.4-0.6 -- |
0.5-0.9 0.6-0.8 |
400-1200 200-600 |
1 -- |
| Molecular-sieve carbon | 2-10 | -- | 0.98 | 400 | -- |
| Molecular-sieve zeolites | 3-10 | 0.2-0.5 | 1.4 | 600-700 | 20-25 |
| Polymeric adsorbents | 40-25 | 0.4-0.55 | -- | 80-700 | -- |