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《High Voltage Apparatus》 2010-07
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Activation and Reduction of CH_4 and NO_x in Different Discharge Plasmas

NIU Jin-hai1,ZHANG Zhi-hui2,LIU Dong-ping1 (1. Institute of Optoelectronic Technology,Dalian Nationalities University,Dalian 116600,China; 2. Dalian Railway Medical School,Dalian 116001,China)  
Pure pulsed spark discharge,pulsed streamer discharge(needle to plane,wire to cylinder),and dielectric barrier discharge (DBD,positive pulsed,alternative current)have been investigated in application to CH4 activation and reduction of NOx. Results show that CH4 can be effectively activated in pulsed spark discharge and needle to plane streamer discharge,the maximum value is 100% and 36%,respectively. But large amounts of NOx are generated in the mixtures of N2 and O2 atmosphere,such as NO output is 449 μL/L,when 9.8% O2 added to needle to plane pulsed streamer discharge. In wire to cylinder pulsed streamer discharge,CH4 conversion efficiency is smaller than 3% and the maximum removal efficiency of NO is only 25%. In positive pulsed DBD plasmas,NO and CH4 conversion are 31% and 4.4% at input voltage of 21.6 kV and input power of 6.4 W. In alternative current DBD plasmas,low temperature is beneficial to NO conversion,34.5% of NO is eliminated at 100 ℃ and input power of 6 W. While CH4 conversion is quite lower.
【Fund】: 国家自然科学基金(20803007 10875025);; 辽宁省教育厅高等学校科研项目(2009B049);; 大连民族学院人才引进基金资助项目(20076205)
【CateGory Index】: O539
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Cheng Guohong, Li Shengli and Zhang Yinghui(Environmental Science and Engineering College of Huazhong Science and Technology University);ACTIVATION OF CH4 AND CATALYTIC REDUCTION OF NOX BY HIGH VOLTAGE PULSE DISCHARGING PLASMA[J];Natural Gas Industry;2004-12
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 SU Qingfa,LIU Yamin,CHEN Jie,PAN Hua,SHI Yao (Institute of Environment Pollution Control Technology,College of Environmental and Resource Sciences,Zhejiang University,Hangzhou 310028,Zhejiang,China);Research advance in non-thermal plasma induced selective catalytic reduction NO_x with low hydrocarbon compounds[J];Chemical Industry and Engineering Progress;2009-08
【Secondary Citations】
Chinese Journal Full-text Database 4 Hits
1 ZHANG Tao *, REN Lili, LIN Liwu (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116023, Liaoning, China);Advances in Selective Catalytic Reduction of NO with Methane[J];Chinese Journal of Catalysis;2004-01
2 CHEN Li-min, SUN Hao-lin (Department of Environmental Science & Engineering, Fudan University, Shanghai 200433, China);Catalytic Selective Reduction of NO with Methane[J];Journal of Fudan University;2001-04
3 LI Zhenghua FU Yilu LIN Peiyan (Department of Chemical Physics University of Science and Technology of China Hefei 230026);Reactivity and Characterization of Co ZSM 5 Catalyst for Methane Reducing NO x in an Oxidizing Atmosphere[J];JOURNAL OF MOLECULAR CATALYSIS (CHINA);1997-03
4 Zhang Yueping (College of Science,Tianjin University,Tianjin 300072) Liu Changjun,Xu Genhui (State Key Laboratory of C 1 Chemical Technology,Tianjin University,Tianjin 300072);Progress in Plasma Methane Conversion[J];Chemical Industry and Engineering Progress;2001-03
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