The Effect of Si/Al Ratio on Selective Catalytic Reduction of NOx with NH3 over Pt/Al-SBA-15 |
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| Journal | Solid State Phenomena (Volume 135) |
|---|---|
| Volume | Nanocomposites and Nanoporous Materials VIII |
| Edited by | Chang Kyu Rhee |
| Pages | 61-64 |
| DOI | 10.4028/www.scientific.net/SSP.135.61 |
| Citation | Min Kang et al., 2008, Solid State Phenomena, 135, 61 |
| Online since | February, 2008 |
| Authors | Min Kang, Jae Hyun Park, Eun Duck Park, Ji Man Kim, Dae Jung Kim, Jae Eui Yie |
| Keywords | AI-SBA-15, Aluminum Content, Low Temperature, NH3-SCR, Pt |
| Abstract | The selective catalytic reduction of NOx with NH3 (NH3-SCR) was investigated over Pt catalysts supported on various supports such as alumina, ZSM-5, SBA-15, and Al-SBA-15 with different amounts of alumina. Among them, Pt catalysts supported on Al-SBA-15 showed the higher NOx conversion at low temperatures than those of others. These also showed high NOx conversions over a wide reaction temperature. As the Si/Al ratio in Al-SBA-15 decreased, the NH3-SCR activity increased. This was closely related to the amount of strongly-adsorbed NH3. |
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