Macrodynamic study and catalytic reduction of NO by ammonia under mild conditions over Pt-La-Ce-O/Al_2O_3 catalysts

Yanhui Wang; Jingli Zhu; Runyu Ma

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Macrodynamic study and catalytic reduction of NO by ammonia under mild conditions over Pt-La-Ce-O/Al_2O_3 catalysts

机译：Pt-La-Ce-O / Al_2O_3催化剂在温和条件下的宏观动力学研究及氨氮催化还原NO的作用

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Catalytic reduction of NO using ammonia upon series prepared catalysts under 423-573 K in a fixed bed reactor was investigated. Results showed that the performance of supported platinum catalyst could be improved by addition of La and Ce to it. Experimental studies indicated that the suitable molar ratio of Pt:La:Ce would be 1.0:3.78:3.56, Pt-La-Ce (c). Results also found Pt-La-Ce (c) catalyst had good stability and tolerance to certain amounts of sulfur compounds under the used experimental conditions. Characterization for the fresh and used catalysts showed the Pt-La-Ce (c) catalyst had a stable structure. In addition, based on experimental data and using a nonlinear regression algorithm method, an empirical macrodynamic equation was obtained in this study.

机译：研究了在固定床反应器中于423-573 K下使用氨对系列制备的催化剂进行的NO催化还原。结果表明，通过添加La和Ce可以改善负载型铂催化剂的性能。实验研究表明，Pt：La：Ce的合适摩尔比应为1.0：3.78：3.56，Pt-La-Ce（c）。结果还发现，在使用的实验条件下，Pt-La-Ce（c）催化剂具有良好的稳定性和对一定量硫化合物的耐受性。新鲜和使用过的催化剂的表征表明，Pt-La-Ce（c）催化剂具有稳定的结构。此外，基于实验数据并使用非线性回归算法方法，本研究获得了经验宏动力学方程。

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来源
《Energy Conversion & Management》 |2007年第7期|p.1936-1942|共7页
作者
Yanhui Wang; Jingli Zhu; Runyu Ma;
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作者单位

Beijing University of Chemical Technology, P. O. Box 53, Beijing 100029, PR China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类能源与动力工程;
关键词
catalyst; nitric oxides; SCR; lanthanides; macrodynamic study;

机译：催化剂;一氧化氮;SCR;镧系元素;宏观动力学研究;

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专利

1. In situ infrared study of NO reduction over Pd/Al_2O_3 and Ag-Pd/Al_2O_3 catalysts under H_2-rich and lean-burn conditions [J] . Miller D.D., Chuang S.S.C. Journal of the Taiwan Institute of Chemical Engineers . 2009,第6期

机译：在富H_2和稀燃条件下Pd / Al_2O_3和Ag-Pd / Al_2O_3催化剂上NO还原的原位红外研究
2. In situ infrared study of NO reduction over Pd/Al_2O_3 and Ag-Pd/Al_2O_3 catalysts under H_2-rich and lean-burn conditions [J] . Miller D.D., Chuang S.S.C. Journal of the Taiwan Institute of Chemical Engineers . 2009,第6期

机译：在富H_2和稀燃条件下Pd / Al_2O_3和Ag-Pd / Al_2O_3催化剂上NO还原的原位红外研究
3. Ammonia activation over catalysts for the selective catalytic reduction of NO_x and the selective catalytic oxidation of NH_3. An FT-IR study [J] . G. Ramis, Li Yi, G. Busca Catalysis Today . 1996,第4期

机译：催化剂上的氨活化用于选择性催化还原NO_x和选择性催化氧化NH_3。 FT-IR研究
4. A Comparative Study of Ag/Al_2O_3 and Cu/Al_2O_3 Catalysts for the Selective Catalytic Reduction of NOx [C] . Changbin Zhang, Hong He, Yunbo Yu, Asia-Pacific Congress on Catalysis . 2003

机译：Ag / Al_2O_3和Cu / Al_2O_3催化剂对NOx选择性催化还原的比较研究
5. Solid-state NMR studies of vanadium pentoxide/titanium dioxide catalysts for the selective catalytic reduction of nitrogen oxides with ammonia. [D] . Nowosielski, Danica A. 2001

机译：五氧化二钒/二氧化钛催化剂的固态NMR研究，用于用氨选择性催化还原氮氧化物。
6. Preparation of Mn-Based Selective Catalytic Reduction Catalysts by Three Methods and Optimization of Process Conditions [O] . Yi Xing, Chen Hong, Bei Cheng, -1

机译：三种方法制备锰基选择性催化还原催化剂及工艺条件的优化
7. SELECTIVE CATALYTIC REDUCTION (SCR) OF NO BY AMMONIA OVER V2O5/TiO2 CATALYST IN A CATALYTIC FILTER MEDIUM AND HONEYCOMB REACTOR: A KINETIC MODELING STUDY [O] . M. Nahavandi 2015

机译：催化过滤介质和蜂窝反应器中V2O5 / TiO2催化剂上氨的选择性催化还原（sCR）：动力学模拟研究

Macrodynamic study and catalytic reduction of NO by ammonia under mild conditions over Pt-La-Ce-O/Al_2O_3 catalysts

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