废水中离子液体高级氧化降解研究进展  

Research Progress on Degradation of Ionic Liquids in Wastewater Through Advanced Oxidative Processes

作　　者：陈晓缘 金春英[2] 林金清[1] CHEN Xiaoyuan;JIN Chunying;LIN Jinqing(College of Materials Science and Engineering,Huaqiao University,Xiamen 361021,China;College of Chemical Engineering,Huaqiao University,Xiamen 361021,China)

机构地区：[1]华侨大学材料科学与工程学院,福建厦门361021 [2]华侨大学化工学院,福建厦门361021

出　　处：《华侨大学学报（自然科学版）》2024年第4期423-438,共16页Journal of Huaqiao University(Natural Science)

基　　金：国家自然科学基金资助项目(22278165,21803021,21246008);福建省自然科学基金资助项目(2020J01065)。

摘　　要：离子液体(ionic liquids,ILs)是一类具有特殊性质的新兴材料,但其在水中的溶解度相对较高,容易通过废水排放进入水生系统并在环境中积累,且其结构非常稳定,难以被生物降解,具有潜在的生物毒性,因此被认为是一类持久污染物。高级氧化技术(advanced oxidation processes,AOPs)是一种高效降解难降解有机污染物的新技术,已被用于降解废水中的离子液体。文中综述芬顿和类芬顿氧化、阳极氧化、电芬顿氧化、光氧化、光催化氧化、光芬顿氧化及电光芬顿氧化等高级氧化技术降解处理废水中离子液体的研究进展;着重讨论各种氧化技术的降解动力学、降解机理、降解途径和优缺点,以及操作条件、离子液体的阴阳离子、侧链长度等因素对降解反应的影响规律,总结目前存在的问题,并对高级氧化技术降解处理离子液体的未来的研究方向及其前景进行了展望。Ionic liquids(ILs)are a class of emerging materials with special properties,but their solubility in water is relatively high,making them easy to enter aquatic systems through wastewater discharge and accumulate in the environment.Their structure is very stable and difficult to biodegrade,making them a persistent pollutant with potential biological toxicity.Advanced oxidation processes(AOPs)is a new technology which can degrade recalcitrant organic pollutants efficiently and has been used to degrade ionic liquids in wastewater.This article reviews the research progress on the degradation and treatment of ILs in wastewater using various AOPs including Fenton and Fenton like oxidation,anodic oxidation,electro Fenton oxidation,photo oxidation,photocatalytic oxidation,photo Fenton oxidation,and photoelectro Fenton oxidation.The review mainly focuses on discussing the degradation kinetics,mechanisms,pathways,advantages and disadvantages of these oxidation technologies.Additionally,the impact of operating conditions,anions and cations of ILs,and side chain length on degradation reactions are examined.The current challenges are summarized,and future research directions and prospects for AOPs in the degradation and treatment of ILs are proposed.

关 键 词：离子液体 高级氧化技术 废水处理 氧化降解 

分 类 号：X703.1[环境科学与工程—环境工程] O645.1[理学—物理化学]