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Selective dealumination of mordenite for enhancing its stability in dimethyl ether carbonylation
Xue, Huifu; Huang, Xiumin; Zhan, Ensheng; Ma, Meng; Shen, Wenjie
关键词Dme Carbonylation Mordenite Selective-dealumination Steam-treatment Stability
刊名CATALYSIS COMMUNICATIONS
2013-07-05
DOI10.1016/j.catcom.2013.03.033
37页:75-79
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]VAPOR-PHASE CARBONYLATION ; SOLID ACID CATALYSTS ; METHYL ACETATE ; BRONSTED ACIDITY ; H-MORDENITE ; ACETIC-ACID ; ZEOLITES ; METHANOL ; SITES ; SPECIFICITY
英文摘要Selective dealumination of mordenite by high-temperature steam treatment improved its stability in dimethyl ether carbonylation. Most of the framework Al species in the 12-membered ring channels of mordenite was removed while those in the 8-membered ring channels were retained. On the resulting mordenite catalyst, the formation rate of methyl acetate was only slightly decreased and maintained at 1.71 mol (mol H+)(-1) h(-1) at 15 h. Temperature-programmed oxidation analyses on the used sample evidenced that the deposition of hard coke was effectively suppressed in the selectively dealuminated catalyst because of the reduced number of acidic sites in the 12-membered ring channels. (C) 2013 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000319645000017
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137795
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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Xue, Huifu,Huang, Xiumin,Zhan, Ensheng,et al. Selective dealumination of mordenite for enhancing its stability in dimethyl ether carbonylation[J]. CATALYSIS COMMUNICATIONS,2013,37:75-79.
APA Xue, Huifu,Huang, Xiumin,Zhan, Ensheng,Ma, Meng,&Shen, Wenjie.(2013).Selective dealumination of mordenite for enhancing its stability in dimethyl ether carbonylation.CATALYSIS COMMUNICATIONS,37,75-79.
MLA Xue, Huifu,et al."Selective dealumination of mordenite for enhancing its stability in dimethyl ether carbonylation".CATALYSIS COMMUNICATIONS 37(2013):75-79.
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