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题名: The performance of HMCM-22 zeolite catalyst on the olefin alkylation thiophenic sulfur in gasoline
作者: Zhang Zekai1, 2;  Niu Xionglei1, 2;  Liu Shenglin1;  Zhu Xiangxue1;  Yu Haiwei1, 2;  Xu Longya1
通讯作者: 徐龙伢
关键词: desulfurization ;  alkylation ;  HMCM-22 ;  gasoline
刊名: CATALYSIS COMMUNICATIONS
发表日期: 2008
DOI: 10.1016/j.catcom.2007.05.026
卷: 9, 期:1, 页:60-64
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 804
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: The catalytic performance of the HMCM-22 zeolites with different Si/Al-2 ratios for the olefin alkylation thiophenic sulfur (OATS) process was investigated. With the Si/Al-2 ratio decreasing, the catalytic activity of the HMCM-22 zeolite was increased clearly due to the acidity increment. Further, the thiophene alkylation activity was increased much faster than the xylene alkylation and the hexene oligomerization for the reactivity difference of thiophene, xylene and hexene. When the Si/Al-2 ratio decreased from 473 to 98, the thiophene alkylation activity first reached its quasi-plateau value and its selectivity got a maximum, while after that the increased acid sites would more transfer to the hexene oligomerization and the xylene alkylation, thus improved their activity and decreased the selectivity of thiophene alkylation. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: LIQUID-PHASE ALKYLATION ;  DEEP DESULFURIZATION ;  REFINERY STREAMS ;  ISOPROPANOL ;  NAPHTHALENE ;  MCM-22 ;  FUELS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000251573100012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100081
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, Dalian 116023, Peoples R China
2.Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhang Zekai,Niu Xionglei,Liu Shenglin,et al. The performance of HMCM-22 zeolite catalyst on the olefin alkylation thiophenic sulfur in gasoline[J]. CATALYSIS COMMUNICATIONS,2008,9(1):60-64.
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