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wlyne06金虫 (小有名气)
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希望大家给帮个忙，谢谢！ 题目：甲醇转化制丙烯中HZSM-5分子筛的尺寸效应 英文题目：size effect of HZSM-5 zeolite on catalytic conversion of methanol to propylene 期刊：物理化学学报，2012年28卷，第9期 |
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sunshan4379
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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
wlyne06: 金币+10, ★★★★★最佳答案 2014-04-25 10:09:25
oven1986: 检索EPI+1, 感谢应助！ 2014-04-25 10:33:35
感谢参与，应助指数 +1
wlyne06: 金币+10, ★★★★★最佳答案 2014-04-25 10:09:25
oven1986: 检索EPI+1, 感谢应助！ 2014-04-25 10:33:35
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这是这篇文章的SCI收录信息 Size Effect of HZSM-5 Zeolite on Catalytic Conversion of Methanol to Propylene 作者:Yao, M (Yao Min)[ 1,2 ] ; Hu, S (Hu Si)[ 3 ] ; Wang, J (Wang Jian)[ 2 ] ; Dou, T (Dou Tao)[ 3 ] ; Wu, YP (Wu Yong-Ping)[ 1 ] ACTA PHYSICO-CHIMICA SINICA 卷: 28 期: 9 页: 2122-2128 DOI: 10.3866/PKU.WHXB201206211 出版年: SEP 2012 查看期刊信息 摘要 Catalytic conversion of methanol to propylene (MTP) by HZSM-5 zeolite is of great importance in industrial applications. In this paper, a series of HZSM-5 zeolites with different crystal sizes were synthesized by adjusting the initial gel composition, crystallization temperature, and crystallization time. The crystal structure, size, morphology, pore structure, and acidity of HZSM-5 were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), nitrogen adsorption, and temperature-programmed desorption of ammonia (NH3-TPD). The catalytic activity and stability of HZSM-5 with different crystal sizes for MTP were evaluated on a continuous flowing fixed-bed reactor. Coke deposited on HZSM-5 was analyzed by thermogravimetric (TG) analyzer. Results indicated that with smaller crystal size, HZSM-5 zeolite had larger surface area and pore volume, higher density of pore openings, and shorter path length of micropore channels that prevent side reactions. For MTP reaction, smaller crystal sizes of HZSM-5 showed a higher resistance and better tolerance to coke, and longer catalytic lifetime. The lowering of both the total and strong acidity on HZSM-5 with smaller crystal size favored a higher selectivity of target product, propylene. 关键词 作者关键词:HZSM-5 zeolite; Crystal size; Methanol; Propylene; Acid property; Coke deposition KeyWords Plus  IMETHYL ETHER; LIGHT OLEFINS; MTP REACTION; SAPO-34; ZSM-5; PERFORMANCE; H-ZSM-5; SPECTROSCOPY; PHOSPHORUS; CRACKING作者信息 通讯作者地址: Wu, YP (通讯作者) 显示增强组织信息的名称 Xian Univ Sci & Technol, Sch Energy Engn, Xian 710054, Peoples R China. 地址: 显示增强组织信息的名称 [ 1 ] Xian Univ Sci & Technol, Sch Energy Engn, Xian 710054, Peoples R China [ 2 ] Shen Hua Ningxia Coal Ind Grp Co Ltd, Yinchuan 750011, Peoples R China 显示增强组织信息的名称 [ 3 ] China Univ Petr, China Natl Petr Corp, Key Lab Catalysis, Beijing 102249, Peoples R China 电子邮件地址:wuyp@xust.edu.cn 基金资助致谢 基金资助机构 授权号 National Key Technologies R & D Program of China 2007BAA08B05 查看基金资助信息 出版商 PEKING UNIV PRESS, PEKING UNIV, CHEMISTRY BUILDING, BEIJING 100871, PEOPLES R CHINA 类别 / 分类 研究方向:Chemistry Web of Science 类别:Chemistry, Physical 文献信息 文献类型:Article 语种:Chinese 入藏号: WOS:000308627200016 ISSN: 1000-6818 期刊信息 Impact Factor (影响因子): Journal Citation Reports® 其他信息 IDS 号: 003QU Web of Science 核心合集中的 "引用的参考文献": 23 Web of Science 核心合集中的 "被引频次": 1 |
2楼2014-04-25 09:30:35
wlyne06
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3楼2014-04-25 10:01:30
wlyne06
金虫 (小有名气)
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4楼2014-04-25 10:03:39
sunshan4379
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5楼2014-04-25 10:07:22
