耐有机溶剂高性能超薄复合纳滤膜的研制及其应用基础研究

项目名称： 耐有机溶剂高性能超薄复合纳滤膜的研制及其应用基础研究

项目编号： No.21476218

项目类型： 面上项目

立项/批准年度： 2015

项目学科： 数理科学和化学

项目作者： 苏保卫

作者单位： 中国海洋大学

项目金额： 86万元

中文摘要： 化工、医药、精细化工中均大量用到有机溶剂，传统的蒸馏过程能耗较高，溶剂损耗大，并易造成严重环境污染。耐有机溶剂纳滤（SRNF）膜过程可实现目标产物与有机溶剂的分离，是解决能源、资源和环境问题的重要绿色化学工艺，应用前景广阔。良好的分离性能和耐溶剂性能是SRNF膜应用的关键。本项目拟通过深入研究界面聚合SRNF膜制备方法，并通过石墨烯嵌入、自组装和交联等方法，制备出具有良好耐溶涨性和截留率的SRNF膜，研究单体结构、成膜工艺以及反应条件与SRNF膜的结构与性能之间的规律，并通过先进分析测试手段分析SRNF膜的表面特性，深入研究有机溶剂与膜分离皮层、溶质与膜分离皮层之间的作用机理，探究膜溶涨机制和调控SRNF膜结构和耐溶涨的有效方法，形成SRNF膜制备新技术，深化对界面聚合法制备SRNF膜成膜规律的认识，并探索SRNF膜对有机溶液的分离机理，为高性能SRNF膜的制备和实际应用提供理论支撑。

中文关键词： 耐有机溶剂纳滤膜；氧化石墨烯；界面聚合；自组装；交联

英文摘要： Organic solvents are vastly used in chemical, pharmaceutical, fine chemical industry. Traditionally distillation is used to recovery organic solvents, during which high energy and solvent consumption is encountered, as well as serious environmental pollution. Organic solvent-resistant nanofiltration (SRNF) membrane process could achieve excellent separation of target product from organic solvent and the reuse of the organic solvent, which is an important green chemical technology to solve the problem of energy, resource and environmental issues, and has broad application prospects. Good separation performance and solvent-resistance is the key of SRNF membrane preparation. In this research, a kind of SRNF membrane with good resistance to swelling and high rejection rate is intended to be prepared and investigated through an in-depth study of the interfacial polymerization preparation method of SRNF membrane, and through embedment of carbon nanotubes, self-assembly and cross-linking method,. Meanwhile, an in-depth study is intended to be performed on the interaction between the structure and properties of the monomer structure, the membrane forming process and reaction condition of SRNF membrane, the surface characteristics of SRNF membrane, the interaction mechanism of organic solvent and membrane separation layer, as well as that of solute and membrane separation layer. We are intended to explore swelling mechanism and method of structure regulation and effective swelling-resistance of SRNF membrane, and to develop new preparation technology of SRNF membrane and to deepen the understanding of the forming regularity of SRNF membrane by interfacial polymerization method, and to explore the mechanism of SRNF membrane separation of organic solution, and to provide theoretical support for high performance SRNF membrane preparation and application.

英文关键词： Solvent-Resistant Nanofiltration (SRNF) membrane;Graphene oxide;Interfacial polermization;Self-assembly;Cross-linking