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《Chinese Journal of Catalysis》 2001-03
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Studies on Adsorption of NO on Cu-ZSM-5/Cordierite and Mechanism of NO Decomposition by IR Spectroscopy

GUAN Naijia 1* , SHAN Xuelei 1, ZENG Xiang 1, XIANG Shouhe 1, Anette TRUNSCHKE 2, Manfred BAERNS 2 (1 Institute of New Catalytic Material Science, College of Chemistry, Nankai University, Tianjin 300071, China; 2 Institute of Applied Chemistry  
The adsorption of NO on in situ synthesized Cu ZSM 5/cordierite monolithic catalyst samples with different Si/Al ratios is studied by diffuse reflectance Fourier transform infrared spectroscopy at different NO partial pressure from ω =5×10 -4 to 2×10 -3 and temperatures from 298 K to 773 K. The Cu exists mainly in Cu 2+ state even at room temperature. No Cu +—NO is found under the conditions. Several N 2O species are observed on the catalyst surface as well as on the Cu/cordierite sample. It is supposed that there exists a copper zeolite substrate interaction on the in situ synthesized monolithic catalyst. The band at 2133 cm -1 is attributed to NO +—O lattice and only related to the zeolite matrix. A possible mechanism of NO decomposition over the Cu ZSM 5/cordierite monolithic catalyst is drawn.
【CateGory Index】: O643.3
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【Secondary References】
Chinese Journal Full-text Database 8 Hits
1 LIN Zhi-jiao,WANG Ke,WANG Yun-xing,JIANG Zhi-dong Research Center of Dielectric and Electric Insulation,Shanghai Jiaotong University,Shanghai 200240,China;Preparation of aluminum particulate coating on iron-chromium-aluminum alloy wire mesh by electrophoretic deposition[J];Electroplating & Finishing;2009-04
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8 LUO Min1,2,WANG Zheng1,WANG Yan1,LIANG Jun2,FANG Jun-Zhuo1(1.Key Laboratory of Energy Resources and Chemical Engineering,Ningxia University,Yinchuan 750021,China;2.Department of Chemical Science and Engineering,Ningxia University,Yinchuan 750021,China);Oriented ZSM-5 Zeolite Membranes on Biomorphic SiSiC Ceramics for Microreactors[J];Journal of Inorganic Materials;2009-02
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