Selective oxidation of ammonia over copper-silver-based catalysts
文献类型：会议论文
| 作者 | Yang, M; Wu, CQ; Zhang, CB; He, H |
| 出版日期 | 2004 |
| 会议名称 | 1st China/Japan Workshop on Environmental Catalysis and Eco-Materials |
| 会议日期 | OCT 07-10, 2003 |
| 会议地点 | Beijing, PEOPLES R CHINA |
| 关键词 | enolic species selective catalytic reduction of NO (SCR of NO) in situ DRIFT'S reaction mechanism |
| 英文摘要 | The selective catalytic reduction (SCR) of NO by C3H6 in excess oxygen was evaluated and compared over Ag/Al2O3 and Cu/Al2O3 catalysts. Ag/Al2O3 showed a high activity for NO reduction. However, Cu/Al2O3 showed a high activity for C3H6 oxidation. The partial oxidation of C3H6 gave surface enolic species and acetate species on the Ag/Al2O3, but only an acetate species was clearly observed on the Cu/Al2O3. The enolic species is a more active intermediate towards NO + O-2 to yield-NCO species than the acetate species on the Ag/Al2O3 catalyst. The Ag and Cu metal loadings and phase changes on Al2O3 support can affect the activity and selectivity of Ag/Al2O3 and Cu/Al2O3 catalysts, but the formation of enolic species is the main reason why the activity of the Ag/Al2O3 catalyst for NO reduction is higher than that of the Cu/Al2O3 catalyst. (C) 2004 Elsevier B.V. All rights reserved. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/24779]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Yang, M,Wu, CQ,Zhang, CB,et al. Selective oxidation of ammonia over copper-silver-based catalysts[C]. 见:1st China/Japan Workshop on Environmental Catalysis and Eco-Materials. Beijing, PEOPLES R CHINA. OCT 07-10, 2003. |
入库方式： OAI收割
来源：生态环境研究中心
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