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题名: Reaction Coupling of Methane Steam Reforming and Methane Dehydroaromatization for Improving Durability of Mo/MCM-49 Catalyst
作者: Yao Songdong1;  Sun Changyong1;  Li Juan1;  Gu Lijun1;  Shen Wenjie1
关键词: methane dehydroaromatization ;  methane stream reforming ;  reaction coupling ;  molybdenum ;  MCM-49 ;  coke deposition
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2009-10-01
卷: 30, 期:10, 页:1022-1028
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
英文摘要: The durability of methane dehydroaromatization (MDA) has been improved by its combination with methane steam reforming (MSR). The methane conversion in the combined MSR/MDA system decreases very slowly from 11.5% at 12.5 h to 6.5% at 60 h, whereas it decreases rapidly from 14.5% at 0.5 h to 3.5% at 15 h for the MDA reaction alone. CO and H(2) produced in-situ through the MSR reaction may reduce the amount of CH, species during the reaction, which in turn reduces the formation of coke deposited on the catalyst, prolonging the durability of the MDA reaction. High content of H, from the MSR process plays a major role in suppressing coke accumulation on the catalyst, especially the coke associated with the Bronsted acidic sites that are mainly responsible for the deactivation.
关键词[WOS]: MO/HZSM-5 CATALYST ;  DEHYDRO-AROMATIZATION ;  NONOXIDATIVE CONDITIONS ;  HZSM-5 ZEOLITE ;  CO2 ;  PERFORMANCE ;  STABILITY ;  NAPHTHALENE ;  CONVERSION ;  MO/H-ZSM-5
语种: 英语
WOS记录号: WOS:000271814400011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141532
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:
Yao Songdong,Sun Changyong,Li Juan,et al. Reaction Coupling of Methane Steam Reforming and Methane Dehydroaromatization for Improving Durability of Mo/MCM-49 Catalyst[J]. CHINESE JOURNAL OF CATALYSIS,2009,30(10):1022-1028.
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