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Methane dehydro-aromatization over Mo/HZSM-5 catalyst prepared by different methods
Shu, YY; Tian, BL; Ma, D; Bao, XH; Xu, YD
关键词Molybdenum-base Catalyst Hzsm-5 Zeolite Preparation Method Characterization. Methane Aromatization
刊名CHINESE JOURNAL OF CATALYSIS
2001-03-01
22期:2页:109-112
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]ZEOLITE CATALYSTS ; DEHYDROGENATION ; MICROWAVE ; ABSENCE ; BENZENE ; OXYGEN
英文摘要Mo/HZSM-5 is a typical catalyst for methane dehydro-aromatization in the absence of oxygen. The catalyst was prepared with impregnation method in previous studies. In this paper, mechanical mixing, solid reaction and microwave methods were used for Mo/HZSM-5 preparation. In addition, the catalytic performance of the catalyst for methane dehydro-aromatization was investigated. Compared with impregnated Mo/HZSM-5 sample, the catalyst samples prepared with mechanical mixing, solid reaction and microwave methods show higher selectivity for aromatics and lower selectivity for coke. BET, XRD and NH3TPD experimental results exhibited that the location of Mo species is heavily dependent on the preparation method. It is suggested that the Mo species located on the external surface of the zeolite is more efficient for methane dehydro-aromatization, and at the same time suppresses the coke formation.
语种英语
WOS记录号WOS:000170359000004
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138933
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Shu, YY,Tian, BL,Ma, D,et al. Methane dehydro-aromatization over Mo/HZSM-5 catalyst prepared by different methods[J]. CHINESE JOURNAL OF CATALYSIS,2001,22(2):109-112.
APA Shu, YY,Tian, BL,Ma, D,Bao, XH,&Xu, YD.(2001).Methane dehydro-aromatization over Mo/HZSM-5 catalyst prepared by different methods.CHINESE JOURNAL OF CATALYSIS,22(2),109-112.
MLA Shu, YY,et al."Methane dehydro-aromatization over Mo/HZSM-5 catalyst prepared by different methods".CHINESE JOURNAL OF CATALYSIS 22.2(2001):109-112.
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