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《科学通报(英文版)》 2003-03
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Simultaneously catalytic removal of NO_x and particulate matter on diesel particulate filter

LIU Guanghui, HUANG Zhen, SHANGGUAN Wenfeng & YAN Cunxian School of Mechanical and Power Engineering, Shanghai Jiao Tong Uni-versity, Shanghai 200030, China  
The simultaneous removal of NOx and particu-late matter (PM) exhausted from diesel engine was studied with a diesel particulate filter (DPF) on which a mixed metal oxide catalyst, Cu0.95K0.05Fe2O4 was loaded. The NOx reduc-tion was observed in the same temperature range of the CO2 formation, implying the occurrence of the simultaneous re-moval of NOx and PM in an oxidizing atmosphere. It was shown that SOF and soot in PM are attributed to the reduc-tion of NOx at lower and higher temperatures, respectively. The oxidation of PM was enhanced by the coexistence of NO and O2. The ignition and exhaustion temperatures of PM decrease as the order NOO2NO+O2. This is a combined process of PM trapping as well as the catalytic reactions of soot oxidation and NOx reduction, promising the most de-sirable after-treatment of diesel exhausts.
【CateGory Index】: TK423
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【Co-references】
Chinese Journal Full-text Database 10 Hits
1 FENG Chang-gen, ZHANG Jiang-shan, WANG Ya-jun (State Key Laboratory of Prevention and Control of Explosion Disasters, Beijing Institute of Technology, Beijing 100081, China);Advances on research of perovskite catalyst for purification of motor-vehicle's exhaust (part 1)[J];Journal of Safety and Environment;2004-03
2 LI Hai-jiang, WANG Shou-guo, ZHAO Ling-li, YIE Tian-chun(Institute of Microelectronics of Chinese Academy of Sciences, Beijing 100010,China);Stripping of Photoresist by an Atmospheric Pressure Radio-Frequency Plasma[J];Semiconductor Technology;2004-12
3 Xiao Yi, Ma Jun, Yang Xiyao (College of Chemistry and Molecular Engineering, Peking University, Beijing 100871);DIRECT DECOMPOSITION OF NITRIC OXIDE UPON CATALYST DERIVED FROM CALCINED Co Al HYDROTALCITE LIKE COMPOUND[J];CHINESE JOURNAL OF CATALYSIS;1999-05
4 YU Yunbo, HE Hong *(Research Center for Eco Environmental Sciences, The Chinese Academy of Sciences, Beijing 100085, China);Mechanistic Study of Lean NO_x Reduction with Propene over Ag/Al_2O_3 by in Situ DRIFTS[J];Chinese Journal of Catalysis;2003-05
5 ZHAO Dan, LIU Changhou *, WANG Liqiu, ZHANG Shouchen(School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liaoning, China);Catalytic Decomposition of N_2O over Some Calcined Products of Hydrotalcite-like Compounds Containing Co,Cu and Ni[J];Chinese Journal of Catalysis;2003-08
6 HE Hong *, YU Yunbo, LIU Junfeng, ZHANG Runduo, ZHANG Changbin, WANG Jin(Research Center for Eco-Environmental Sciences, The Chinese Academy of Sciences, Beijing 100085, China);Selective Catalytic Reduction of NO_x in the Presence of Excess OxygenⅡ. SCR of NO_x with Oxo-Organic Compounds over Ag/Al_2O_3[J];Chinese Journal of Catalysis;2004-06
7 LIU Jian, ZHAO Zhen *, XU Chunming(State Key Laboratory of Heavy Oil Processing, University of Petroleum, Beijing 102249, China);Research Progress in Catalysts for Removal of Soot Particulates from Diesel Engines[J];Chinese Journal of Catalysis;2004-08
8 CHEN Guangwen*, LI Shulian, YUAN Quan, JIAO Fengjun ( Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 11 6023, Liaoning , China);Effect of Potassium Promoter on Reaction Performance of Rh/Al_2O_3 Catalyst for CO Selective Oxidation in H_2-Rich Streams[J];Chinese Journal of Catalysis;2005-09
9 KE Rui~1,LI Junhua~(2*),HAO Jiming~2,FU Lixin~2,CHEN Qiang~1,ZHAO Daqing~1(1 Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China;2 Department of Environmental Science and Engineering,Tsinghua University,Beijing 100084,China);In Situ DRIFTS Study on Non-thermal Plasma-Assisted NO_x Reduction by Propene over Ag/Al_2O_3 Catalyst[J];Chinese Journal of Catalysis;2005-11
10 PENG Xiaosheng,LIN He,SHANGGUAN Wenfeng,HUANG Zhen*(Center for Combustion and Environmental Technology,Shanghai Jiao Tong University,Shanghai 200030,China);Effect of Partial Substitution of K and Cu in LaMnO_3 on Simultaneously Catalytic Removal of NO_x and Soot[J];Chinese Journal of Catalysis;2006-09
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