| Roles of Lewis and Brnsted acid sites in NO reduction with ammonia on CeO_2-ZrO_2-NiO-SO_4~(2-) catalyst |
| |
| 引用本文： | 司知蠢,翁端,吴晓东,江洋.Roles of Lewis and Brnsted acid sites in NO reduction with ammonia on CeO_2-ZrO_2-NiO-SO_4~(2-) catalyst[J].中国稀土学报(英文版),2010(5). |
| |
| 作者姓名： | 司知蠢 翁端 吴晓东 江洋 |
| |
| 作者单位： | State Key Laboratory of New Ceramics & Fine Process Department of Materials Science and Engineering Tsinghua University |
| |
| 基金项目： | Project supported by the “863 Project” (2009AA06Z304 and 2009AA064801) |
| |
| 摘 要： | Nickel and sulfate co-modified CeO2-ZrO2 catalysts were prepared by sol-gel method. The catalysts were characterized by XRD, FTIR, XPS, NH3 chemisorption and NH3-SCR activity tests. The results showed that the enhanced acidity of CeO2-ZrO2 catalysts by nickel and sulfate co-modification was responsible for the broadened temperature window and improved the selectivity to N2 in NH3-SCR deNOx. The introduction of nickel to CeO2-ZrO2 solid solutions resulted in more Ce3+ on surface of catalyst, leading to an in...
|
| 本文献已被 维普 等数据库收录！ |
|
