Kinetics of acetic acid esterification with 2-ethoxyethanol over an Al-pillared clay catalyst
文献类型：期刊论文
| 作者 | Wang, YJ; Li, WZ |
| 刊名 | reaction kinetics and catalysis letters
 |
| 出版日期 | 2004 |
| 卷号 | 83期号:1页码:195-203 |
| 关键词 | Al-exchanged pillared clay catalyst 2-ethoxyethanol esterification kinetics |
| 产权排序 | 2;2 |
| 英文摘要 | the al-pillared clay catalyst obtained by exposing activated clay powder to sulfuric acid and aluminium salts and calcining in air at 373-673 k, was found to be highly active for the title reaction. the results indicated that pillared layer clay of the mixed oxide has been employed as parent catalysts for their definite structure and special properties which can be modified by the substitution of l and b acid sites cations. solid acid catalyst of supported aluminium was found to be highly active and selective at the 373-473 k temperature range for heterogeneous esterification. the activity is mainly attributed to the lewis (and a considerably small number of bronsted) acid sites whose number and strength increased due to pillaring. the water produced in the esterification can be induced by al3+, which makes the catalyst surface to form strong b acid. their acidities are obtained by ph measurement. if only b acid sites are > 70%, and ph < 1 in the 2-ethoxyethanol, there exists an activity of esterification. the used catalyst gave identical results with that of the fresh one. x-ray diffraction spectra show that the composition and active phase of the used catalysts are the same as the fresh ones. the kinetic study of the reaction was carried out by an integral method of analysis. the kinetic equation of surface esterification is y = 2.36x - 0.98. |
| WOS标题词 | science & technology ; physical sciences |
| 类目[WOS] | chemistry, physical |
| 研究领域[WOS] | chemistry |
| 关键词[WOS] | friedel-crafts alkylation ; montmorillonite |
| 收录类别 | SCI |
| 原文出处 | true |
| 语种 | 英语 |
| WOS记录号 | WOS:000224049400026 |
| 公开日期 | 2010-11-30 |
| 源URL | [http://159.226.238.44/handle/321008/83019]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Shenyang Univ Technol, Sch Petrochem Engn, Liaoyang 111003, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, YJ,Li, WZ. Kinetics of acetic acid esterification with 2-ethoxyethanol over an Al-pillared clay catalyst[J]. reaction kinetics and catalysis letters,2004,83(1):195-203. |
| APA | Wang, YJ,&Li, WZ.(2004).Kinetics of acetic acid esterification with 2-ethoxyethanol over an Al-pillared clay catalyst.reaction kinetics and catalysis letters,83(1),195-203. |
| MLA | Wang, YJ,et al."Kinetics of acetic acid esterification with 2-ethoxyethanol over an Al-pillared clay catalyst".reaction kinetics and catalysis letters 83.1(2004):195-203. |
入库方式： OAI收割
来源：大连化学物理研究所
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