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题名: The chemical nature of carbonaceous deposits and their role in methane dehydro-aromatization on Mo/MCM-22 catalysts
作者: Liu, HM;  Su, LL;  Wang, HX;  Shen, WJ;  Bao, XH;  Xu, YD
关键词: methane ;  dehydro-aromatization ;  Mo/MCM-22 ;  temperature-programmed techniques ;  TGA
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2002-09-01
卷: 236, 期:1-2, 页:263-280
收录类别: SCI
文章类型: Article
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: Various carbonaceous deposits are formed during the course of methane dehydro-aromatization (MDA) under non-oxidative conditions on Mo/MCM-22 catalysts. These carbon species were investigated by various temperature-programmed techniques such as TPH and TPCO2, combining with TPO and TGA results in order to reveal their chemical nature and determine their amounts. The TPO profiles recorded from coked Mo/MCM-22 catalysts show two temperature peaks: one at about 756 K and the other at about 876 K. The coke amounts related to these two peaks were determined on the basis of the corresponding corrected and deconvoluted TPO profiles, combining with the TGA profiles concerned.
关键词[WOS]: MO-BASED CATALYSTS ;  TEMPERATURE-PROGRAMMED TECHNIQUES ;  BIFUNCTIONAL CATALYSIS ;  ZEOLITE CATALYSTS ;  INDUCTION PERIOD ;  MOLECULAR-SIEVE ;  BENZENE ;  CONVERSION ;  MO/HZSM-5 ;  MCM-22
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000178232400024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/84837
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,Su, LL,Wang, HX,et al. The chemical nature of carbonaceous deposits and their role in methane dehydro-aromatization on Mo/MCM-22 catalysts[J]. APPLIED CATALYSIS A-GENERAL,2002,236(1-2):263-280.
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