| 渗透气化法分离水-乙醇混合物——选择溶解与渗透气化的关系 |
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| 引用本文： | 张玉忠,张可达,徐纪平.渗透气化法分离水-乙醇混合物——选择溶解与渗透气化的关系[J].应用化学,1991(1). |
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| 作者姓名： | 张玉忠 张可达 徐纪平 |
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| 作者单位： | 中国科学院长春应用化学研究所，中国科学院长春应用化学研究所，中国科学院长春应用化学研究所 长春 130022 天津纺织工学院膜分离研究所，长春 130022，长春 130022 |
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| 摘 要： | 本文对热交联,氢氧化钠交联及辐射交联聚乙烯醇膜的溶胀行为进行了研究。整个选择性渗透过程被分解成选择溶解和选择扩散两部分。本文定义了选择溶解因子和选择扩散因子,用以评价上述两部分各自对渗透气化过程的贡献。
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| 关 键 词： | 渗透气化 膜 乙醇和水的分离 |
SEPARATION OF H_2O/EtOH MIXTURE BY PERVAPORATION:THE RELATIONSHIP BETWEEN THE SELECTIVE SORPTION AND PERVAPORATION |
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| Zhang Yuzhong,Zhang Keda,Xu Jiping Changchun Institute of Applied Chemistry,Academia Sinica,Changchun.SEPARATION OF H_2O/EtOH MIXTURE BY PERVAPORATION:THE RELATIONSHIP BETWEEN THE SELECTIVE SORPTION AND PERVAPORATION[J].Chinese Journal of Applied Chemistry,1991(1). |
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| Authors: | Zhang Yuzhong Zhang Keda Xu Jiping Changchun Institute of Applied Chemistry Academia Sinica Changchun |
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| Institution: | Zhang Yuzhong,Zhang Keda,Xu Jiping Changchun Institute of Applied Chemistry,Academia Sinica,Changchun 130022 |
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| Abstract: | The swelling process of the heat, alkali~-, and radiation crosslinked PVA membraneswas investigated. The pervaporation process was divided into two parts: selective sorptionand selective diffusion. The contribution of the two parts respectively into the pervaporationwas evaluated with the selective sorption factor and the selective diffusion factor. |
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| Keywords: | pervaporation membranes separation of ethanol and water |
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