| PEG/PEI复合膜渗透汽化汽油脱硫研究(Ⅰ)制膜条件影响 |
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| 引用本文： | 陈剑,李继定,亓荣彬,叶宏,陈翠仙.PEG/PEI复合膜渗透汽化汽油脱硫研究(Ⅰ)制膜条件影响[J].膜科学与技术,2009,29(4). |
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| 作者姓名： | 陈剑 李继定 亓荣彬 叶宏 陈翠仙 |
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| 作者单位： | 清华大学,化工系,膜材料与工程研究中心,北京,100084 |
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| 基金项目： | 国家"973"项目，国家自然科学基金项目，国家"863"计划项目，教育部博士点基金，中石化科技开发研究基金 |
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| 摘 要： | 以PEI超滤膜为支撑层,PEG为复合层,制备了PEG/PEI渗透汽化RCC汽油脱硫复合膜.通过傅立叶红外光谱仪对PEG/PEI复合膜表面进行了结构分析,考察了交联前后官能团的变化.通过扫描电子显微镜分析了复合膜表面和断面的形态.将制备的复合膜应用于正庚烷和噻吩体系,首先考察了膜的溶胀性和稳定性.研究了不同聚合物PEG浓度、交联剂浓度,交联温度和交联时间对分离性能的影响,从而得到最佳制膜条件.
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| 关 键 词： | 渗透汽化 汽油脱硫 PEG/PEI复合膜 正庚烷/噻吩 |
Pervaporation performance of polyethylene glycol membranes for separation of thiophene/heptane mixtures (Ⅰ) Effect of PEG/PEI composite membrane preparation condition |
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| CHEN Jian,LI Jiding,QI Rongbin,YE Hong,CHEN Cuixian.Pervaporation performance of polyethylene glycol membranes for separation of thiophene/heptane mixtures (Ⅰ) Effect of PEG/PEI composite membrane preparation condition[J].Membrane Science and Technology,2009,29(4). |
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| Authors: | CHEN Jian LI Jiding QI Rongbin YE Hong CHEN Cuixian |
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| Affiliation: | Membrane Technology & Engineering Research Center;Department of Chemical Engineering;Tsinghua University;Beijing 100084;China |
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| Abstract: | Crosslinked PEG/PEI composite membranes were prepared by using PEI ultrafiltration membrane as the substrate and PEG dense membrane as the composite layer.The compositions of the PEG/PEI composite membranes were characterized by FTIR spectra.The morphologies of the surface and cross-section structures of the PEG/PEI composite membranes were characterized by scanning electron microscope(SEM).The PEG/PEI composite membranes were used in the pervaporation separation of n-heptane/thiophene mixtures.The swelling... |
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| Keywords: | pervaporation desulfurization PEG/PEI composite membrane thiophene/heptane mixtures |
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