水中PFAS光化学降解技术研究进展  

Research progress of photochemical technologies for PFAS degradation in water

作　　者：包一翔 杨烨 王靖宇 胡嘉敏 吴敏 李井峰 李杰 BAO Yixiang;YANG Ye;WANG Jingyu;HU Jiamin;WU Min;LI Jingfeng;LI Jie(State Key Laboratory of Water Resource Protection and Utilization in Coal Mining,National Institute of Clean and Low Carbon Energy,Beijing 102209,China;Technology Research Institute,China Energy Shendong Coal Group Co.,Ltd.,Yulin 719315,China)

机构地区：[1]北京低碳清洁能源研究院煤炭开采水资源保护与利用全国重点实验室,北京102209 [2]国家能源神东煤炭集团有限责任公司技术研究院,陕西榆林719315

出　　处：《工业用水与废水》2025年第1期1-6,共6页Industrial Water & Wastewater

基　　金：国家自然科学基金项目(52100070);国家能源集团科技创新项目(SZY93002219N,GKNY-21-46)。

摘　　要：混凝沉淀、臭氧氧化、生化降解等传统的水处理技术对全氟与多氟烷基化合物(PFAS)处理效果有限,但一些光化学降解技术可有效去除水中的PFAS。综述了不同光化学体系中活性物种生成原理及其与PFAS之间的氧化还原作用过程,介绍了光生空穴、水合电子、硫酸根自由基、碳酸根自由基和硝酸根自由基等主导的PFAS降解引发过程、产物生成和脱氟机理。分析了目前光化学降解技术用于PFAS污染水体处理存在的主要问题,从工程应用角度展望了未来技术的研究重点。The treatment efficiency of coagulation sedimentation, ozonation and biological degradation etc.towards perfluor and poly-fluoroalkyl substances(PFAS) are limited, however, some photochemical degradation technologies could effectively remove PFAS from water. The generation principles of reactive species in different photochemical systems and their redox interation processes between PFAS were reviewed;besides, photogenerated hole, aqueous electron, sulfate radicals, carbonate radicals, and nitrate radicals etc. dominated PFAS degradation initiation processes, generation of products and defluorination mechanism were introduced. The current major problems of photochemical degradation technologies for PFAS contaminated water treatment were analyzed, and the research priorities of the technologies were proposed from the perspective of engineering application.

关 键 词：光化学 PFAS 氧化还原 降解 机理 脱氟 产物 

分 类 号：X703.1[环境科学与工程—环境工程]