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题名: Study of the carbonaceous deposits formed on a Mo/HZSM-5 catalyst in methane dehydro-aromatization by using TG and temperature-programmed techniques
作者: Liu, HM;  Li, T;  Tian, BL;  Xu, YD
关键词: methane dehydro-aromatization ;  Mo/HZSM-5 ;  temperature-programmed techniques ;  TG
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2001-05-14
卷: 213, 期:1, 页:103-112
收录类别: SCI
文章类型: Article
部门归属: 5001
项目归属: 501
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: Carbonaceous deposits formed during the temperature-programmed surface reaction (TPSR) of methane dehydro-aromatization (MDA) over Mo/HZSM-5 catalysts have been investigated by TPH, TPCO2 and TPO, in combination with thermal gravimetric analysis (TG). The TPO profiles of the coked catalyst after TPSR of MDA show two temperature peaks: one is at about 776 K and the other at about 865 K. The succeeding TPH experiments only resulted in the diminishing of the area of the high-temperature peak, and had no effect on the area of the low-temperature peak. On the other hand, the TPO profiles of the coked catalyst after succeeding TPCO2 experiments exhibited obvious reduction in the areas of both the high-and low-temperature peaks, particularly in the area of the low-temperature peak. On the basis of TPSR, TPR and TPCO2 experiments and the corresponding TG analysis, quantitative analysis of the coke and the kinetics of its burning-off process have been studied. (C) 2001 Elsevier Science B.V. All rights reserved.
关键词[WOS]: MO-BASED CATALYSTS ;  NONOXIDATIVE CONDITIONS ;  BIFUNCTIONAL CATALYSIS ;  ZEOLITE CATALYSTS ;  BENZENE ;  CONVERSION ;  DEHYDROAROMATIZATION ;  DEHYDROGENATION ;  NAPHTHALENE ;  CO/CO2
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000168458400009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/91987
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Liu, HM,Li, T,Tian, BL,et al. Study of the carbonaceous deposits formed on a Mo/HZSM-5 catalyst in methane dehydro-aromatization by using TG and temperature-programmed techniques[J]. APPLIED CATALYSIS A-GENERAL,2001,213(1):103-112.
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