| Co3O4/介孔分子筛催化剂对苯催化完全氧化的研究 |
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| 引用本文： | 段明华,牟真,李进军,解强.Co3O4/介孔分子筛催化剂对苯催化完全氧化的研究[J].环境工程学报,2008,2(8):1087-1091. |
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| 作者姓名： | 段明华 牟真 李进军 解强 |
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| 作者单位： | 1.中国矿业大学(北京)化学与环境工程学院，北京 100083； 2.中国科学院生态环境研究中心，北京 100085,2.中国科学院生态环境研究中心，北京 100085,2.中国科学院生态环境研究中心，北京 100085,1.中国矿业大学(北京)化学与环境工程学院，北京 100083 |
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| 摘 要： | 分别以介孔分子筛MCM-41、MCM-48、SBA-15为载体，采用等体积浸渍法制备了氧化钴/介孔分子筛催化剂，利用N2吸附、X射线衍射、程序升温还原等技术对催化剂进行了表征，考察了Co3O4的负载量及载体的孔结构对催化剂完全催化氧化苯的性能的影响。结果表明，Co3O4的负载量为20%时，催化剂的催化活性最好；载体的孔径和催化剂的可还原性能是影响催化活性的主要因素，催化剂活性顺序为Co3O4 /SBA-15> Co3O4 /MCM41> Co3O4 /MCM-48。
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| 关 键 词： | 介孔分子筛 Co3O4 VOCs 催化氧化 孔径 |
Complete catalytic oxidation of benzene on Co3O4 catalysts supported on mesoporous molecular sieves |
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| Duan Minghu,Mu Zhen,Li Jinjun and Xie Qiang.Complete catalytic oxidation of benzene on Co3O4 catalysts supported on mesoporous molecular sieves[J].Techniques and Equipment for Environmental Pollution Control,2008,2(8):1087-1091. |
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| Authors: | Duan Minghu Mu Zhen Li Jinjun and Xie Qiang |
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| Abstract: | Co3O4 catalysts supported on various mesoporous molecular sieves, including MCM-41, MCM-48 and SBA-15, were prepared by incipient wetness impregnation method, and these catalysts were characterized by Nitrogen adsorption-desorption, XRD and TPR techniques. Then the influences of cobalt loading and mesoporous molecular sieves on the catalytic activity of catalysts in the complete oxidation of benzene were investigated. The results show that the activity of the catalyst with 20% Co3O4 loading was the best. Besides, the pore diameter of the supports and the reducibility of the catalysts play a key role, and the activity of the cobalt catalysts on different supports is in the following order: Co3O4/SBA-15> Co3O4/MCM-41> Co3O4/MCM-48. |
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| Keywords: | mesoporous molecular sieves Co3O4 VOCs catalytic oxidation pore diameter |
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