全球变暖加剧了氮和磷的排放,导致水富营养化问题日益严重,严重污染了水生环境。因此,寻求高效、经济、环保的藻类去除技术已成为一个重大热点问题。金属有机骨架材料(MOFs)是由金属离子或团簇与有机配体结合形成的具有纳米孔的结晶材料,具有吸附率高、比表面积大、吸附容量高、反应活性好、孔径可调、功能设计性强等优点。光催化是一种“绿色”技术,在光照射下产生电子和空穴,随后产生强大的活性氧物种(ROS),可以同时破坏藻类细胞结构及其在水体中产生的毒素或其他代谢物。MOFs和光催化在藻类去除领域都具有显著优势。总结了不同MOFs材料通过光催化去除藻类的原理和效果,并展望了该领域的未来研究方向,旨在为后续研究提供参考和指导。
Global warming has exacerbated the emission of nitrogen and phosphorus,leading to an increasingly serious problem of water eutrophication,which has caused severe pollution of the aquatic environment.Therefore,seeking efficient,economical,and environmentally friendly algae removal technologies has become a major hot issue.Metal-organic frameworks (MOFs) are nanoporous crystalline materials formed by the combination of metal ions or clusters with organic ligands.They possess advantages such as high porosity,large specific surface area,high adsorption capacity,excellent reactivity,adjustable pore shape,and strong functional designability.Photocatalysis is a “green” technology based on the generation of electrons and holes under ultraviolet light radiation,subsequently producing powerful reactive oxygen species (ROS).This allows for the destruction of algal cell structures and their produced toxins or other metabolites in the water body simultaneously.Both MOFs and photocatalysis have significant advantages in the field of algae removal.This article summarized the principles and effects of different MOFs materials in algae removal through photocatalysis,and provided a prospect for future research directions in this field,aiming to provide reference and guidance for subsequent studies.
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基金资助
工业园区污染治理与资源化利用安徽省联合共建学科重点实验室开放课题(ZHLH-2024-001,GZAS-2023-4);安徽省重点研究与开发计划项目(2023t07010002);安徽省高校省级自然科学研究项目(KJ2021A0619,2022AH010019,2022AH050236)
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