随着难降解有机污染物在水体中的频繁检出,环境污染问题愈发严峻,寻找简单、高效且低成本的有机污染物处理方法刻不容缓。金属有机骨架材料(MOFs)因超高比表面积、可调孔结构、不饱和金属位点和可定制性等优点,被广泛应用于处理难降解有机污染物。MOFs及其衍生材料常用于活化过硫酸盐(PS)或过一硫酸盐(PMS),产生硫酸根自由基,从而氧化降解有机污染物。详细介绍了MOFs及其衍生材料的合成方法,并总结了基于MOFs的非均相过硫酸盐氧化降解体系在处理有机污染物方面的研究现状。还分析了MOFs作为催化剂所面临的问题,并探讨了其未来发展方向,以期为环境治理和污染防治提供理论支持。
With the frequent detection of persistent organic contaminants in aquatic environment,the environmental pollution problem has become increasingly severe,making it urgent to find simple,efficient,and low-cost methods for treating organic contaminants.Due to the advantages of ultra-high specific surface area,adjustable pore structure,and customizability,metal-organic frameworks (MOFs) have been widely applied in the treatment of refractory organic contaminants.MOFs and their derivatives are often used to activate persulfate (PS) or peroxymonosulfate (PMS) to produce SO4·- for the oxidative degradation of organic contaminants.Herein,this review elaborated on the preparation approaches of MOFs and their derivatives.The research status of heterogeneous persulfate oxidation degradation systems based on MOFs and their derivatives for treating organic contaminants was systematically summarized.This article also analyzed the existing problems of MOFs as catalysts and their future development directions in order to provide theoretical support for subsequent environmental governance and pollution prevention.
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基金资助
国家自然科学基金(52072275);湖北理工学院大学生创新创业项目(S202210920008);湖北理工学院青年项目(22xjz01q);湖北理工学院人才引进项目(23xjz07R)
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