Abstract
The π-complexation adsorbent AgNO3/γ-Al2O3 was prepared from AgNO3 supported on γ-Al2O3 by the method of impregnation. The adsorbent is used for ethylene-ethane separation. The monolayer dispersion of AgNO3 on γ-Al2O3 was characterized with BET and XRD, and the maximum monolayer dispersion capacity of AgNO3 on γ-Al2O3 was calculated by XRD quantitative phase analysis. The adsorption equilibrium isotherms of ethylene and ethane on this adsorbent were measured at 38°C. The adsorption equilibrium data of ethylene and ethane could be properly fitted by the Langmuir-Freundlich model. The π-complexation adsorbent AgNO3/γ-Al2O3 had high equilibrium selectivity of ethylene, and the selective adsorption ratio of ethylene to ethane at 38°C and 100 kPa was 10.1, showing its potential for commercial application.
| Original language | English |
|---|---|
| Pages (from-to) | 1933-1937 |
| Number of pages | 5 |
| Journal | Huagong Xuebao/CIESC Journal |
| Volume | 57 |
| Issue number | 8 |
| State | Published - Aug 2006 |
Keywords
- Adsorption equilibrium
- AgNO/γ-AlO
- Ethane
- Ethylene
- Impregnation