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题名: Dimethyl Ether Carbonylation to Methyl Acetate over HZSM-35
作者: Liu, Junlong1;  Xue, Huifu1;  Huang, Xiumin1;  Li, Yong1;  Shen, Wenjie1
通讯作者: 申文杰
关键词: Dimethyl ether ;  Carbonylation ;  Methyl acetate ;  HZSM-35 ;  HMOR ;  Stability
刊名: CATALYSIS LETTERS
发表日期: 2010-10-01
DOI: 10.1007/s10562-010-0411-3
卷: 139, 期:1-2, 页:33-37
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 501
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Dimethyl ether (DME) carbonylation to methyl acetate (MA) was comparatively investigated over HZSM-35 and mordenite (HMOR) zeolites. The HZSM-35 catalyst showed rather high selectivity and stability without obvious deactivation for 32 h on-stream at 473 K with a MA yield of similar to 11%. On the other hand, the HMOR catalyst showed similar initial activity, but the yield of MA rapidly decreased to only 5% after 20 h on-stream. It was further revealed that the deposition rate of coke over the HZSM-35 catalyst was much lower than that on the HMOR zeolite, indicating that the formation rate of coke was strongly dependent on the pore sizes of the zeolites. The pore structure of HZSM-35 having a one-dimensional channel 10 member-ring (10-MR) and a perpendicularly intersected one-dimensional 8 member-ring (8-MR) channel effectively limited the formation of aromatic compounds which act as the precursors of coke.
关键词[WOS]: HALIDE-FREE CARBONYLATION ;  VAPOR-PHASE CARBONYLATION ;  HETEROGENEOUS CATALYSTS ;  ACIDIC ZEOLITES ;  METHANOL ;  SPECIFICITY ;  FERRIERITE ;  REACTIVITY ;  SITES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000282091500005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103371
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, Junlong,Xue, Huifu,Huang, Xiumin,et al. Dimethyl Ether Carbonylation to Methyl Acetate over HZSM-35[J]. CATALYSIS LETTERS,2010,139(1-2):33-37.
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