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Carbonaceous deposition on Mo/HMCM-22 catalysts for methane aromatization: A TP technique investigation
Ma, D; Wang, DZ; Su, LL; Shu, YY; Xu, Y; Bao, XH
刊名JOURNAL OF CATALYSIS
2002-06-10
DOI10.1006/jcat.2002.3540
208期:2页:260-269
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]TEMPERATURE-PROGRAMMED OXIDATION ; MO-BASED CATALYSTS ; DEHYDRO-AROMATIZATION ; MO/HZSM-5 CATALYSTS ; ZEOLITE CATALYST ; METAL-CATALYSTS ; HZSM-5 ZEOLITE ; BENZENE ; CONVERSION ; MCM-22
英文摘要TPO (temperature-programmed oxidation), TPSR (temperature-programmed surface reaction), and TPH (temperature-programmed hydrogenation) techniques are used to investigate carbonaceous deposition on Mo/HMCM-22 catalysts for methane aromatization. Different carbonaceous species and their amounts are distinguished. There are at least three kinds of cokes: carbidic carbon in molybdenum carbide, molybdenum-associated coke, and aromatic-type cokes on acid sites. It is suggested that the aromatic-type cokes on Bronsted acid sites are responsible for catalyst deactivation. Catalytic activity can be restored after temperature-programmed hydrogenation. (C) 2002 Elsevier Science (USA).
语种英语
WOS记录号WOS:000176073900002
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被引频次:86[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/321008/139164
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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Ma, D,Wang, DZ,Su, LL,et al. Carbonaceous deposition on Mo/HMCM-22 catalysts for methane aromatization: A TP technique investigation[J]. JOURNAL OF CATALYSIS,2002,208(2):260-269.
APA Ma, D,Wang, DZ,Su, LL,Shu, YY,Xu, Y,&Bao, XH.(2002).Carbonaceous deposition on Mo/HMCM-22 catalysts for methane aromatization: A TP technique investigation.JOURNAL OF CATALYSIS,208(2),260-269.
MLA Ma, D,et al."Carbonaceous deposition on Mo/HMCM-22 catalysts for methane aromatization: A TP technique investigation".JOURNAL OF CATALYSIS 208.2(2002):260-269.
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