Abstract
Carbon nanotubes, nanofibers and powders were used for acetylene adsorption experiments. A total of 15 different experiments were designed by 3-level of Box-Behnken Design (BBD) with 3 factors including the Pd concentration of 0 to 5%, adsorption temperature of 30 to 80 ℃ and C 2 H 2 /CO 2 of 3 to 10. Based on those data, a second order polynomial regression analysis was used to derive the adsorption amount prediction equation according to operating conditions. The adsorption temperature showed the greatest influence index while the C 2 H 2 /CO 2 ratio showed the smallest according to the F-value measurement of the ANOVA analysis. However, there was little interaction between major factors. In the adsorption optimization analysis, a 22.0 mmol/g was adsorbed under the conditions of Pd concentration of 3.0%, adsorption temperature of 47 ℃ and C 2 H 2 /CO 2 of 10 with 95.9% accuracy.
| Original language | English |
|---|---|
| Pages (from-to) | 29-33 |
| Number of pages | 5 |
| Journal | Applied Chemistry for Engineering |
| Volume | 30 |
| Issue number | 1 |
| DOIs | |
| State | Published - Feb 2019 |
Keywords
- Acetylene adsorption
- Pd/C Adsorbent
- Response surface method
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