紫外光和基于紫外光的高级氧化工艺降解农药的研究进展

由于农药的环境持久性及毒性,饮用水源中的农药微污染日益受到水处理行业的关注.在众多水处理工艺中,紫外光及基于紫外光的高级氧化工艺因其灭菌效率高、产生消毒副产物少等特点受到广泛关注.本文综述了紫外光及其相关高级氧化工艺对多类广泛使用的农药(包括有机氯、有机磷、氨基甲酸酯、氯乙酰胺和三嗪等)的降解效果,详细讨论了农药的降解...

Degradation of pesticides by UV and UV-based advanced oxidation processes:State-of-the-art

The micro-contamination of drinking water resources with pesticides is of great concern nowadays due to their persistence in aquatic environment and potential adverse health effects. Among various water treatment processes, UV and UV-based advanced oxidation processes (AOPs) have gained great attention due to their effectiveness in bacteria inactivation and low yield of disinfection byproducts. This work reviewed, in a comprehensive manner, the degradation of several classes of pesticides including organochlorines, organophosphates, carbamates, chloroacetamides and triazines by UV and UV-based AOPs. The degree of pesticide removal, reaction kinetics, degradation byproducts identification and possible degradation pathways, and evaluation of toxicity of degradation byproducts are covered and discussed.