有机溶剂对从木质素-离子液体混合物中分离离子液体的影响。
Influence of organic solvent on the separation of an ionic liquid from a lignin-ionic liquid mixture.
机构信息
School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore.
School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore.
出版信息
Bioresour Technol. 2014 Mar;156:404-7. doi: 10.1016/j.biortech.2014.01.077. Epub 2014 Jan 28.
Sixteen solvents added in lignin-ionic liquid mixture provide four types of solubility characteristics. The distinct characteristics can be classified by considering solubility parameters including ET Scale, Kamlet-Taft parameters and solubility parameters. Group 1 solvent shows promising solvents for lignin-ionic liquid separation, contributing full dissolution of ionic liquid with lignin precipitation. Isopropanol, the most potential solvent has solubility properties as following normalized molar electronic transition energies (ET(N))=0.57, hydrogen-bond acidity (α)=0.76 and Hildebrand solubility parameter (δT)=23.58. This study examines potential solvents for ionic recovery, provides simple method of separation and leads to the feasibility of using ionic liquids in industrial applications.
十六种溶剂加入木质素-离子液体混合物中，提供了四种类型的溶解特性。通过考虑溶解度参数，包括 ET 标度、卡姆莱特-塔夫特参数和溶解度参数，可以对这些特性进行分类。第一组溶剂是木质素-离子液体分离的有前途的溶剂，可使离子液体完全溶解，木质素沉淀。异丙醇是最有潜力的溶剂，其溶解度性质为归一化摩尔电子跃迁能 (ET(N))=0.57，氢键酸度 (α)=0.76，Hildebrand 溶解度参数 (δT)=23.58。本研究考察了离子回收的潜在溶剂，提供了一种简单的分离方法，并使离子液体在工业应用中具有可行性。
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