离子液体降解性的研究进展

doi:10.16085/j.issn.1000-6613.2015.08.040

化工进展 ›› 2015, Vol. 34 ›› Issue (08): 3158-3164.DOI: 10.16085/j.issn.1000-6613.2015.08.040

离子液体降解性的研究进展

董士嘉¹, 张必弦², 高云飞², 胡小梅³

1 东北农业大学农学院, 黑龙江哈尔滨 150030;
2 黑龙江省农业科学院, 黑龙江哈尔滨 150086;
3 东北农业大学生命科学学院, 黑龙江哈尔滨 150030

收稿日期:2015-03-24 修回日期:2015-05-15 出版日期:2015-08-05 发布日期:2015-08-05
通讯作者: 胡小梅,博士,副教授,研究方向为生物化工。E-mail huxiaomei1982@163.com。
作者简介:董士嘉(1990—),男,硕士研究生。E-mail haodsj@163.com。
基金资助:
东北农业大学博士启动基金(2010RCB58)、国家基础科学人才培养基金(J1210069)及黑龙江省博士后科研启动基金(LBH-Q13019)项目。

Research progress in degradation of ionic liquids

DONG Shijia¹, ZHANG Bixian², GAO Yunfei², HU Xiaomei³

1 College of Agricultural Sciences, Northeast Agricultural University, Harbin 150030, Heilongjiang, China;
2 Heilongjiang Academy of Agricultural Sciences, Harbin 150086, Heilongjiang, China;
3 College of Life and Science, Northeast Agricultural University, Harbin 150030, Heilongjiang, China

Received:2015-03-24 Revised:2015-05-15 Online:2015-08-05 Published:2015-08-05

摘要/Abstract

摘要： 离子液体作为绿色溶剂,在电化学、有机化学、生物化学等领域获得了广泛重视,但目前研究主要集中于离子液体的合成和应用,而与环保问题直接相关的降解性方面的研究不足,实现离子液体的降解是离子液体大规模使用之前必须要解决的问题。本文综述了离子液体的降解方法:化学降解法和生物降解法。化学降解法主要通过UV/H₂O₂体系、Fe(Ⅲ)/H₂O₂体系、电解体系实现对离子液体的降解;生物降解法则通过引入可以提供酶解位点的基团,或者单加氧酶将离子液体阳离子烷基侧链甲基末端氧化为羟基、醛基,形成羧基,再进行β-氧化过程。提出了针对化学降解法和生物降解法机理的不同,需要对离子液体的化学结构进行设计、适当控制烷基侧链的长度、引入易降解的功能基团等;同时筛选微生物,进而提高离子液体的降解效率。

关键词: 离子液体, 化学降解, 生物降解

Abstract: As “green solvents”, ionic liquids have attracted much attention in the area of electrochemistry, organic chemistry and biochemistry. Recent studies focus on the synthesis and application of ionic liquids.However, the studies on degradation of ionic liquids which concerned with environment are not enough. The degradation of ionic liquids is required before the large-scale use of ionic liquids. In this study, chemical degradation method and biodegradation method are summarized. The chemical degradation is mainly achieved by UV/H₂O₂, Fe (Ⅲ)/H₂O₂ and electrolysis system. Biological degradation is achieved by introducing functional groups with enzymatic site, or using monooxygenase to oxidize the methyl terminal of alkyl side chain on the cation of ionic liquids into hydroxyl and aldehyde to form carboxylic groups, and then β-oxidation is proceed. Different chemical structures of ionic liquids is designed according to different mechanism between chemical and biological degradation, for example, changing the length of alkyl chain or introducing the functional groups that are easily degradable and selection of microorganism could improve efficiency of degradation of ionic liquids.

Key words: ionic liquids, chemical degradation, biodegradation

中图分类号:

O621.3

董士嘉, 张必弦, 高云飞, 胡小梅. 离子液体降解性的研究进展[J]. 化工进展, 2015, 34(08): 3158-3164.

DONG Shijia, ZHANG Bixian, GAO Yunfei, HU Xiaomei. Research progress in degradation of ionic liquids[J]. Chemical Industry and Engineering Progree, 2015, 34(08): 3158-3164.

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离子液体降解性的研究进展

Research progress in degradation of ionic liquids

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