Enhanced NOx conversion by coupling NOx storage-reduction with CO adsorption-oxidation over the combined Pd-K/MgAlO and Pd/MgAlO catalysts
文献类型：期刊论文
| 作者 | Chen, H; Zhang, YX; Xin, Y; Li, Q; Zhang, ZL; Jiang, Z; Ma, YP; Zhou, H; Zhang, J |
| 刊名 | CATALYSIS TODAY
 |
| 出版日期 | 2015 |
| 卷号 | 258期号:pt2页码:416—423 |
| 关键词 | LEAN-BURN ENGINE THERMAL-STABILITY TRAP CATALYSTS MIXED OXIDES TEMPERATURE CAPACITY PERFORMANCE PT/AL2O3 BEHAVIOR SUPPORT |
| ISSN号 | 0920-5861 |
| 通讯作者 | Zhang, YX (reprint author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Inst New Energy Technol, 1219 Zhongguan West Rd, Ningbo 315201, Zhejiang, Peoples R China. |
| 英文摘要 | NOx conversion was enhanced by coupling NOx storage-reduction (NSR) with CO adsorption-oxidation (CAO), which was observed in NSR lean-rich cycle tests with CO as a reductant on catalysts of Mg-Al mixed oxides supported Pd (Pd/MgAlO) and Pd-K (Pd-K/MgAlO). CO was adsorbed on Pd sites in the rich condition and then oxidized by gaseous NO via Eley-Rideal mechanism during the transition from the rich condition to the lean condition, which results in an enhanced NO conversion. This is confirmed by different configuration experiments of Pd-K/MgAlO and Pd/MgAlO, acting as NSR and CAO catalysts, respectively. The intimate mixture of Pd-K/MgAlO and Pd/MgAlO showed much higher activity due to the resultant coupling effect of NSR with CAO in comparison with a zone-arranged catalyst system no matter whether Pd-K/MgAlO or Pd/MgAlO was in the front. The coupling also worked in the presence of H2O and CO2 despite that the efficiency were spoiled. This strategy is ease to be implemented and thereby is potential for the practical after-treatment technology for lean-burn and diesel engines. (C) 2014 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000364438700023 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/24920]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 推荐引用方式 GB/T 7714 | Chen, H,Zhang, YX,Xin, Y,et al. Enhanced NOx conversion by coupling NOx storage-reduction with CO adsorption-oxidation over the combined Pd-K/MgAlO and Pd/MgAlO catalysts[J]. CATALYSIS TODAY,2015,258(pt2):416—423. |
| APA | Chen, H.,Zhang, YX.,Xin, Y.,Li, Q.,Zhang, ZL.,...&Zhang, J.(2015).Enhanced NOx conversion by coupling NOx storage-reduction with CO adsorption-oxidation over the combined Pd-K/MgAlO and Pd/MgAlO catalysts.CATALYSIS TODAY,258(pt2),416—423. |
| MLA | Chen, H,et al."Enhanced NOx conversion by coupling NOx storage-reduction with CO adsorption-oxidation over the combined Pd-K/MgAlO and Pd/MgAlO catalysts".CATALYSIS TODAY 258.pt2(2015):416—423. |
入库方式： OAI收割
来源：上海应用物理研究所
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