The debatable role of singlet oxygen in persulfate-based advanced oxidation processes

L Wang, K Xiao, H Zhao - Water Research, 2023 - Elsevier
Abstract Singlet oxygen (1 O 2) attracts much attention in persulfate-based advanced
oxidation processes (PS-AOPs), because of its wide pH tolerance and high selectivity …

Singlet oxygen: Properties, generation, detection, and environmental applications

Y Wang, Y Lin, S He, S Wu, C Yang - Journal of Hazardous Materials, 2023 - Elsevier
Abstract Singlet oxygen (1 O 2) is molecular oxygen in the excited state with high energy
and electrophilic property. It is widely found in nature, and its important role is gradually …

Oxygen Vacancy-Induced Nonradical Degradation of Organics: Critical Trigger of Oxygen (O2) in the Fe–Co LDH/Peroxymonosulfate System

L Wu, Z Sun, Y Zhen, S Zhu, C Yang, J Lu… - Environmental …, 2021 - ACS Publications
Ubiquitous oxygen vacancies (Vo) existing in metallic compounds can activate
peroxymonosulfate (PMS) for water treatment. However, under environmental conditions …

Activation of peroxymonosulfate via mediated electron transfer mechanism on single-atom Fe catalyst for effective organic pollutants removal

P Duan, J Pan, W Du, Q Yue, B Gao, X Xu - Applied Catalysis B …, 2021 - Elsevier
Cheap and abundant Fe based catalysts in advanced oxidation progresses (AOPs) usually
exhibit radicals or high-valent Fe species (HV-Fe) dominated activation mechanism. In this …

Application of persulfate-based oxidation processes to address diverse sustainability challenges: A critical review

D Lin, Y Fu, X Li, L Wang, M Hou, D Hu, Q Li… - Journal of hazardous …, 2022 - Elsevier
Over the past years, persulfate (PS) is widely applied due to their high versatility and efficacy
in decontamination and sterilization. While treatment of organic chemicals, remediation of …

Enhanced oxidation of organic contaminants by iron (II)-activated periodate: the significance of high-valent iron–oxo species

Y Zong, Y Shao, Y Zeng, B Shao, L Xu… - Environmental …, 2021 - ACS Publications
Potassium periodate (PI, KIO4) was readily activated by Fe (II) under acidic conditions,
resulting in the enhanced abatement of organic contaminants in 2 min, with the decay ratios …

Removal of phenols by highly active periodate on carbon nanotubes: A mechanistic investigation

J Peng, P Zhou, H Zhou, B Huang, M Sun… - Environmental …, 2023 - ACS Publications
Carbon nanotubes (CNTs) and their derivatives have been widely exploited to activate
various oxidants for environmental remediation. However, the intrinsic mechanism of CNTs …

Selective formation of reactive oxygen species in peroxymonosulfate activation by metal-organic framework-derived membranes: A defect engineering-dependent …

M Li, S You, X Duan, Y Liu - Applied Catalysis B: Environmental, 2022 - Elsevier
Defect engineering is an effective way to unveil relationship within structures and catalytic
activities of transition metal oxides. Herein, a novel strategy has been developed for in situ …

Identifying the role of oxygen vacancy on cobalt-based perovskites towards peroxymonosulfate activation for efficient iohexol degradation

Z Xu, Y Wu, X Wang, Q Ji, T Li, H He, H Song… - Applied Catalysis B …, 2022 - Elsevier
Oxygen vacancy (VO) is attracting extensive interest in heterogeneous peroxymonosulfate
(PMS) activation, but its role remains elusive for water treatment. Herein, we constructed V O …

The photochemical behaviors of microplastics through the lens of reactive oxygen species: Photolysis mechanisms and enhancing photo-transformation of pollutants

X Shi, Z Chen, X Liu, W Wei, BJ Ni - Science of The Total Environment, 2022 - Elsevier
The photoaging mechanisms of various polymers have been explored based on the basic
autoxidation scheme (BAS) before 10 years ago, however current research verified some …