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Metal–Organic Frameworks and Their Derived Materials: Emerging Catalysts for a Sulfate Radicals‐Based Advanced Oxidation Process in Water Purification
Small ( IF 13.0 ) Pub Date : 2019-03-18 , DOI: 10.1002/smll.201900744
Chaohai Wang 1, 2 , Jeonghun Kim 2, 3 , Victor Malgras 4 , Jongbeom Na 3, 4 , Jianjian Lin 3 , Jungmok You 5 , Ming Zhang 1 , Jiansheng Li 1 , Yusuke Yamauchi 2, 3, 4, 5
Affiliation  

With the ever‐growing environmental issues, sulfate radical (SO4•−)‐based advanced oxidation processes (SR‐AOPs) have been attracting widespread attention due to their high selectivity and oxidative potential in water purification. Among various methods generating SO4•−, employing heterogeneous catalysts for activation of peroxymonosulfate or persulfate has been demonstrated as an effective strategy. Therefore, the future advances of SR‐AOPs depend on the development of adequate catalysts with high activity and stability. Metal–organic frameworks (MOFs) with large surface area, ultrahigh porosity, and diversity of material design have been extensively used in heterogeneous catalysts, and more recently, enormous effort has been made to utilize MOFs‐based materials for SR‐AOPs applications. In this work, the state‐of‐the‐art research on pristine MOFs, MOFs composites, and their derivatives, such as oxides, metal/carbon hybrids, and carbon materials for SR‐AOPs, is summarized. The mechanisms, including radical and nonradical pathways, are also detailed in the discussion. This work will hopefully promote the future development of MOFs‐based materials toward SR‐AOPs applications.

中文翻译:

金属有机骨架及其衍生材料:用于水净化的硫酸根基高级氧化工艺的新兴催化剂

随着环境问题的日益严重,基于硫酸根(SO 4 •−)的高级氧化工艺(SR-AOP)由于其在水净化中的高选择性和氧化潜力而受到广泛关注。在产生SO 4 •的各种方法中使用多相催化剂活化过氧单硫酸盐或过硫酸盐已被证明是一种有效的策略。因此,SR-AOPs的未来发展取决于开发具有高活性和稳定性的适当催化剂。具有大表面积,超高孔隙率和材料设计多样性的金属有机骨架(MOF)已广泛用于非均相催化剂中,最近,人们做出了巨大努力,将基于MOFs的材料用于SR-AOPs。在这项工作中,总结了对原始MOF,MOF复合材料及其衍生物(例如氧化物,金属/碳杂化物和用于SR-AOP的碳材料)的最新研究。讨论中还详细介绍了包括自由基和非自由基途径在内的机制。
更新日期:2019-03-18
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