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Catalytic Dehydration of Ethanol to Ethylene Over Steam-Treated ZSM-5 Zeolites
Meng, Qiyan1,2; Xin, Hongchuan2; Zhang, Yufei2; Huang, Yan1; Yi, Xianfeng3; Sun, Yuanyuan2; Zhong, Shifa2; Li, Xuebing2
2015-11-01
发表期刊SCIENCE OF ADVANCED MATERIALS
卷号7期号:11页码:2343-2351
摘要The steam-treated ZSM-5 zeolites are characterized by XRD, N-2 sorption, SEM, Al-27 MAS NMR and NH3-TPD techniques. The steaming procedures do not alter textural structures, but generate significant variations in the acidity. The catalytic properties of steam-treated ZSM-5 catalysts in dehydration of ethanol into ethylene are investigated in a fixed bed reactor at 150-350 degrees C and an atmospheric pressure. The decreased total acid sites and increased ratio of weak acid to strong acid after steam treatment may suppress ethylene from secondary reactions, and therefore lead to improved ethylene selectivity at higher temperature. Compared to parent ZSM-5, ZSM-5 treated at 600 degrees C (ZSM-600) shows excellent stability for ethylene production. The reaction conditions (space velocity and ethanol partial pressure) have significant influences on ethanol conversion and ethylene selectivity.
文章类型Article
关键词Zsm-5 Steam Treatment Ethanol Dehydration Ethylene Acidity
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1166/sam.2015.2388
关键词[WOS]SOLID ACID CATALYSTS ; HZSM-5 ZEOLITE ; THEORETICAL CALCULATION ; AQUEOUS-ETHANOL ; STATE NMR ; P-31 NMR ; CONVERSION ; H-ZSM-5 ; DEALUMINATION ; METHANOL
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Physics
项目资助者Natural Science Foundation of China(21262036) ; Doctoral Fund of Shandong Province(BS2013CL029) ; Key Laboratory of Oil and Gas Fine Chemicals, Ministry of Education ; Xinjiang Uyghur Autonomous Region, Xinjiang University(XJDX0908-2012-5) ; Xinjiang Uygur Autonomous Region science and technology plans(201416101)
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号WOS:000366295900010
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6839
专题多相催化转化研究组
作者单位1.Xinjiang Univ, Coll Chem & Chem Engn, Key Lab Oil & Gas Fine Chem, Minist Educ, Urumqi 830046, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuels, Qingdao 266101, Peoples R China
3.Chinese Acad Sci, Wuhan Inst Phys & Math, Natl Ctr Magnet Resonance Wuhan, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
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GB/T 7714
Meng, Qiyan,Xin, Hongchuan,Zhang, Yufei,et al. Catalytic Dehydration of Ethanol to Ethylene Over Steam-Treated ZSM-5 Zeolites[J]. SCIENCE OF ADVANCED MATERIALS,2015,7(11):2343-2351.
APA Meng, Qiyan.,Xin, Hongchuan.,Zhang, Yufei.,Huang, Yan.,Yi, Xianfeng.,...&Li, Xuebing.(2015).Catalytic Dehydration of Ethanol to Ethylene Over Steam-Treated ZSM-5 Zeolites.SCIENCE OF ADVANCED MATERIALS,7(11),2343-2351.
MLA Meng, Qiyan,et al."Catalytic Dehydration of Ethanol to Ethylene Over Steam-Treated ZSM-5 Zeolites".SCIENCE OF ADVANCED MATERIALS 7.11(2015):2343-2351.
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