| An IR Study on Adsorption of CO and NO on Copper Ion-exchanged Zeolite Beta |
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| 引用本文： | ZHOU Qun,QIU Shi-lun and PANG Wen-qin(Key Laboratory of Inorgaanic Hydrothermal Synthesis,Department of Chemistry,Jilin University,Changchun,130023)XIN Qin and LI Guo-qiang(Key Laboratory of Catalysis,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian,116023). An IR Study on Adsorption of CO and NO on Copper Ion-exchanged Zeolite Beta[J]. 高等学校化学研究, 1995, 0(2) |
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| 作者姓名： | ZHOU Qun QIU Shi-lun and PANG Wen-qin(Key Laboratory of Inorgaanic Hydrothermal Synthesis Department of Chemistry Jilin University Changchun 130023)XIN Qin and LI Guo-qiang(Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023) |
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| 作者单位： | ZHOU Qun，QIU Shi-lun and PANG Wen-qin(Key Laboratory of Inorgaanic Hydrothermal Synthesis，Department of Chemistry，Jilin University，Changchun，130023)XIN Qin and LI Guo-qiang(Key Laboratory of Catalysis，Dalian Institute of Chemical Physics，Chinese Academy of Sciences，Dalian，116023) |
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| 摘 要： | Thee adsorption of CO and NO on copper ion-exchanged zeolite Beta was investigated using IR method.It was found that the thermalvacuum pretreatment procedure could result in the reduction of Cu2 ions in zeolite Beta.The adsorption of CO on Cu sites in zeolite Beta closely follows Langmuir isotherm.Another Cu species may form during the reaction between water and CO.The catalytic decomposition of NO on the zeolite was observed at room temperature,indicating that the decomposition reaction may occur between two coordinated NO ligands of the same dinitrosyhc complex.Furthermore,the appearance of two series of NO adsorption bands reveals that copper ions existing at different cation sites may have different effect on the adsorption and decomposition of NO molecules.
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An IR Study on Adsorption of CO and NO on Copper Ion-exchanged Zeolite Beta |
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| ZHOU Qun,QIU Shi-lun and PANG Wen-qin. An IR Study on Adsorption of CO and NO on Copper Ion-exchanged Zeolite Beta[J]. Chemical Research in Chinese University, 1995, 0(2) |
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| Authors: | ZHOU Qun QIU Shi-lun PANG Wen-qin |
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| Abstract: | Thee adsorption of CO and NO on copper ion-exchanged zeolite Beta was investigated using IR method.It was found that the thermalvacuum pretreatment procedure could result in the reduction of Cu2 ions in zeolite Beta.The adsorption of CO on Cu sites in zeolite Beta closely follows Langmuir isotherm.Another Cu species may form during the reaction between water and CO.The catalytic decomposition of NO on the zeolite was observed at room temperature,indicating that the decomposition reaction may occur between two coordinated NO ligands of the same dinitrosyhc complex.Furthermore,the appearance of two series of NO adsorption bands reveals that copper ions existing at different cation sites may have different effect on the adsorption and decomposition of NO molecules. |
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| Keywords: | Copper Zeolite Beta CO adsorption NO adsorption IR spectroscopy |
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