| 乙酸乙酯水溶液中水在3A分子筛上的吸附平衡与动力学 |
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| 引用本文： | 梁会珺,彭彩红,陈钟秀. 乙酸乙酯水溶液中水在3A分子筛上的吸附平衡与动力学[J]. 应用化学, 2006, 23(3): 328-0 |
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| 作者姓名： | 梁会珺 彭彩红 陈钟秀 |
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| 作者单位： | 浙江大学材料与化学工程学院 |
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| 摘 要： | 乙酸乙酯水溶液中水在3A分子筛上的吸附平衡与动力学;乙酸乙酯;水;吸附平衡与动力学;表面扩散系数;3A分子筛
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| 关 键 词： | 乙酸乙酯水溶液中水在3A分子筛上的吸附平衡与动力学 乙酸乙酯 水 吸附平衡与动力学 表面扩散系数 3A分子筛 |
| 文章编号： | 1000-0518(2006)03-0328-04 |
| 收稿时间： | 2005-05-05 |
| 修稿时间： | 2005-10-20 |
Adsorption Equilibrium and Kinetics of Water in Ethyl Acetate on 3A Molecular Sieve |
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| LIANG Hui-Jun,PENG Cai-Hong,CHEN Zhong-Xiu. Adsorption Equilibrium and Kinetics of Water in Ethyl Acetate on 3A Molecular Sieve[J]. Chinese Journal of Applied Chemistry, 2006, 23(3): 328-0 |
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| Authors: | LIANG Hui-Jun PENG Cai-Hong CHEN Zhong-Xiu |
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| Affiliation: | College Of Materials And Chemical Engeering, Zhejiang University, Hangzhou 310027 |
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| Abstract: | The adsorption of water in ethyl acetate on zeolite 3A was carried out in a batch system.The equilibrium behaviour was shown to fit a Langmuir isotherm.A surface diffusion model,coupled with the observed Langmuir isotherm equations,was used to interpret the observed experimental adsorption kinetic curves at(different) initial concentrations,temperatures and particle sizes.Surface diffusivity D_(s) can be calculated.The surface diffusivity increased as temperature and initial concentration increased,but it was independent of particles size.The pre-exponential factor D_(so) and the activation energy E was also calculated. |
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| Keywords: | ethyl acetate water adsorption kinetics surface diffusivity zeolite 3A |
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