{"title":"Fenton(类)反应中的Fe(IV)和Cu(III)水溶液:化学和环境应用","authors":"Erwin Jongwoo Park , Min Sik Kim , Changha Lee","doi":"10.1016/j.watres.2025.124169","DOIUrl":null,"url":null,"abstract":"<div><div>The chemistry of high-valent metal species (HVMs) generated via Fenton (-like) reactions has been extensively reported in the literature. HVMs are recognised as highly reactive yet selective oxidants, in contrast to hydroxyl radicals—one of the most potent but nonselective oxidants—exhibiting distinct reactivity towards a broad range of organic compounds. Owing to their target-specific behaviour, HVM-based oxidation processes have garnered considerable attention for applications in water and wastewater treatment. This review focuses on ferryl and trivalent copper species (i.e. Fe<sup>IV</sup>O<sup>2+</sup> and Cu(III)), which are among the most environmentally relevant and widely studied HVMs. The formation mechanisms of these species via Fenton (-like) reactions are examined, followed by a detailed discussion of their chemical properties, including structural features, redox potentials, and hydrolytic behaviours. The unique reactivity of HVMs towards diverse organic molecules is then discussed in relation to substrate structures and corresponding oxidation mechanisms. Analytical methods for detecting Fe<sup>IV</sup>O<sup>2+</sup> and Cu(III) are also reviewed, including chemical probe techniques, scavenger-based inhibition assays, electron paramagnetic resonance, and other complementary approaches. Case studies of diverse Fe<sup>IV</sup>O<sup>2+</sup>- and Cu(III)-based homogeneous and heterogeneous systems are presented to illustrate their practical applications in organic pollutant degradation and microbial inactivation, as well as the influence of water matrix components on treatment efficacy. The review concludes with a perspective on key research directions needed to advance HVM-based oxidation as a sustainable and effective strategy for water treatment.</div></div>","PeriodicalId":443,"journal":{"name":"Water Research","volume":"287 ","pages":"Article 124169"},"PeriodicalIF":12.4000,"publicationDate":"2025-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Aqueous Fe(IV) and Cu(III) species from Fenton (-like) reactions: Chemistry and environmental applications\",\"authors\":\"Erwin Jongwoo Park , Min Sik Kim , Changha Lee\",\"doi\":\"10.1016/j.watres.2025.124169\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The chemistry of high-valent metal species (HVMs) generated via Fenton (-like) reactions has been extensively reported in the literature. HVMs are recognised as highly reactive yet selective oxidants, in contrast to hydroxyl radicals—one of the most potent but nonselective oxidants—exhibiting distinct reactivity towards a broad range of organic compounds. Owing to their target-specific behaviour, HVM-based oxidation processes have garnered considerable attention for applications in water and wastewater treatment. This review focuses on ferryl and trivalent copper species (i.e. Fe<sup>IV</sup>O<sup>2+</sup> and Cu(III)), which are among the most environmentally relevant and widely studied HVMs. The formation mechanisms of these species via Fenton (-like) reactions are examined, followed by a detailed discussion of their chemical properties, including structural features, redox potentials, and hydrolytic behaviours. The unique reactivity of HVMs towards diverse organic molecules is then discussed in relation to substrate structures and corresponding oxidation mechanisms. Analytical methods for detecting Fe<sup>IV</sup>O<sup>2+</sup> and Cu(III) are also reviewed, including chemical probe techniques, scavenger-based inhibition assays, electron paramagnetic resonance, and other complementary approaches. Case studies of diverse Fe<sup>IV</sup>O<sup>2+</sup>- and Cu(III)-based homogeneous and heterogeneous systems are presented to illustrate their practical applications in organic pollutant degradation and microbial inactivation, as well as the influence of water matrix components on treatment efficacy. The review concludes with a perspective on key research directions needed to advance HVM-based oxidation as a sustainable and effective strategy for water treatment.</div></div>\",\"PeriodicalId\":443,\"journal\":{\"name\":\"Water Research\",\"volume\":\"287 \",\"pages\":\"Article 124169\"},\"PeriodicalIF\":12.4000,\"publicationDate\":\"2025-07-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Water Research\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0043135425010760\",\"RegionNum\":1,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, ENVIRONMENTAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Water Research","FirstCategoryId":"93","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0043135425010760","RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, ENVIRONMENTAL","Score":null,"Total":0}
Aqueous Fe(IV) and Cu(III) species from Fenton (-like) reactions: Chemistry and environmental applications
The chemistry of high-valent metal species (HVMs) generated via Fenton (-like) reactions has been extensively reported in the literature. HVMs are recognised as highly reactive yet selective oxidants, in contrast to hydroxyl radicals—one of the most potent but nonselective oxidants—exhibiting distinct reactivity towards a broad range of organic compounds. Owing to their target-specific behaviour, HVM-based oxidation processes have garnered considerable attention for applications in water and wastewater treatment. This review focuses on ferryl and trivalent copper species (i.e. FeIVO2+ and Cu(III)), which are among the most environmentally relevant and widely studied HVMs. The formation mechanisms of these species via Fenton (-like) reactions are examined, followed by a detailed discussion of their chemical properties, including structural features, redox potentials, and hydrolytic behaviours. The unique reactivity of HVMs towards diverse organic molecules is then discussed in relation to substrate structures and corresponding oxidation mechanisms. Analytical methods for detecting FeIVO2+ and Cu(III) are also reviewed, including chemical probe techniques, scavenger-based inhibition assays, electron paramagnetic resonance, and other complementary approaches. Case studies of diverse FeIVO2+- and Cu(III)-based homogeneous and heterogeneous systems are presented to illustrate their practical applications in organic pollutant degradation and microbial inactivation, as well as the influence of water matrix components on treatment efficacy. The review concludes with a perspective on key research directions needed to advance HVM-based oxidation as a sustainable and effective strategy for water treatment.
期刊介绍:
Water Research, along with its open access companion journal Water Research X, serves as a platform for publishing original research papers covering various aspects of the science and technology related to the anthropogenic water cycle, water quality, and its management worldwide. The audience targeted by the journal comprises biologists, chemical engineers, chemists, civil engineers, environmental engineers, limnologists, and microbiologists. The scope of the journal include:
•Treatment processes for water and wastewaters (municipal, agricultural, industrial, and on-site treatment), including resource recovery and residuals management;
•Urban hydrology including sewer systems, stormwater management, and green infrastructure;
•Drinking water treatment and distribution;
•Potable and non-potable water reuse;
•Sanitation, public health, and risk assessment;
•Anaerobic digestion, solid and hazardous waste management, including source characterization and the effects and control of leachates and gaseous emissions;
•Contaminants (chemical, microbial, anthropogenic particles such as nanoparticles or microplastics) and related water quality sensing, monitoring, fate, and assessment;
•Anthropogenic impacts on inland, tidal, coastal and urban waters, focusing on surface and ground waters, and point and non-point sources of pollution;
•Environmental restoration, linked to surface water, groundwater and groundwater remediation;
•Analysis of the interfaces between sediments and water, and between water and atmosphere, focusing specifically on anthropogenic impacts;
•Mathematical modelling, systems analysis, machine learning, and beneficial use of big data related to the anthropogenic water cycle;
•Socio-economic, policy, and regulations studies.