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Effect of Ion Cluster on Concentration of Long-Alkyl-Chain Ionic Liquids Aqueous Solution by Nanofiltration
Industrial & Engineering Chemistry Research ( IF 4.2 ) Pub Date : 2018-05-23 , DOI: 10.1021/acs.iecr.8b01403
Jianguo Qian 1, 2 , Xiaomin Liu 1 , Ruiyi Yan 1 , Chunshan Li 1 , Xiangping Zhang 1 , Suojiang Zhang 1
Affiliation  

As a kind of green solvent and new material, recycling of ionic liquids (ILs) especially from aqueous solution is becoming a key barrier for industrial application. In this study, concentration process of long-alkyl-chain ILs solution with nanofiltration was proposed. The influence of ion cluster on filtration performance such as volume flux (Jv), observed rejection (Robs) was systematically studied. Formation and properties of ion cluster including aggregation and heterogeneity were detected and validated by experiment and molecular simulation, and influence of ion cluster on membrane fouling and reuse was studied by various characterizations. Besides, the separation process was developed for typical long-alkyl-chain IL aqueous solutions with different concentrations (1-decyl-3-methylimidazolium chloride, [C10mim]Cl). These fundamental data will strongly support the industrial application for ILs concentration with nanofiltration technology.

中文翻译:

纳米过滤对离子簇对长链链离子液体浓度的影响

作为一种绿色溶剂和新材料,尤其是从水溶液中回收离子液体(ILs)成为工业应用的主要障碍。在这项研究中,提出了具有纳滤作用的长烷基链ILs溶液的浓缩过程。离子簇对过滤性能的影响,例如体积通量(J v),观察到的截留率(R obs)进行了系统的研究。通过实验和分子模拟检测并验证了离子团簇的形成和性质,包括聚集和异质性,并通过各种表征研究了离子团簇对膜结垢和再利用的影响。此外,还针对具有不同浓度(1-癸基-3-甲基咪唑鎓氯化物,[C 10 mim] Cl)的典型长烷基链IL水溶液开发了分离方法。这些基本数据将为纳滤技术在ILs浓缩方面的工业应用提供强有力的支持。
更新日期:2018-05-24
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