Generation and engineering applications of sulfate radicals in environmental remediation

J Xie, C Yang, X Li, S Wu, Y Lin - Chemosphere, 2023 - Elsevier
Abstract Sulfate radical (SO 4•−)-based advanced oxidation processes (AOPs) have become
promising alternatives in environmental remediation due to the higher redox potential (2.6 …

A multiple Kirkendall strategy for converting nanosized zero-valent iron to highly active Fenton-like catalyst for organics degradation

J Qu, Z Li, F Bi, X Zhang, B Zhang… - Proceedings of the …, 2023 - National Acad Sciences
Nanosized zero-valent iron (nZVI) is a promising persulfate (PS) activator, however, its
structurally dense oxide shell seriously inhibited electrons transfer for OO bond cleavage of …

In situ synthesized S-type heterojunction Bi2O2CO3/CuBi2O4 enable efficient NIR light-driven H2O2 activation for water purification

J Qu, D Zhang, Y Li, P Wang, Y Mao, T Zhang… - Applied Catalysis B …, 2024 - Elsevier
Abstract Hydrogen peroxide (H 2 O 2) was the most commonly used oxidant in advanced
oxidation processes to degrade emerging organic pollutants. However, photoactivation of H …

Advancements in biochar-catalyzed peroxides for water decontamination: A future perspective on addressing antibiotics and antibiotic resistance genes

Y Wu, J Bai, X Wang, CP Yu, Z Hu - Chemical Engineering Journal, 2024 - Elsevier
The increasing contamination of water bodies with antibiotics, along with the emergence of
antibiotic resistance genes (ARGs), poses a significant threat to both ecological systems and …

Peroxymonosulfate activation by Fe (III)–picolinate complexes for efficient water treatment at circumneutral pH: Fe (III)/Fe (IV) cycle and generation of oxyl radicals

Z Yang, Y Cui, B Pan, JJ Pignatello - Environmental Science & …, 2023 - ACS Publications
Improving the reactivity of Fe (III) for activating peroxymonosulfate (PMS) at circumneutral pH
is critical to propel the iron-activated PMS processes toward practical wastewater treatment …

pH-dependent generation of radical and nonradical species for sulfamethoxazole degradation in different carbon/persulfate systems

J Liang, K Chen, X Duan, L Zhao, H Qiu, X Xu, X Cao - Water Research, 2022 - Elsevier
The impacts of pH on purification efficiency can be phenomenal in advanced oxidation
processes (AOPs), because solution pH affects persulfate (PS) activation processes …

Mineralization versus polymerization pathways in heterogeneous Fenton-like reactions

Q Zhang, Y Peng, Y Peng, J Zhang, X Yuan, J Zhang… - Water Research, 2024 - Elsevier
Fenton reaction has been widespread application in water purification due to the excellent
oxidation performances. However, the poor cycle efficiency of Fe (III)/Fe (II) is one of the …

Mechanistic Insights into the Markedly Decreased Oxidation Capacity of the Fe(II)/S2O82– Process with Increasing pH

D Rao, H Dong, M Niu, X Wang, J Qiao… - Environmental …, 2022 - ACS Publications
The poor oxidation capacity of the Fe (II)/S2O82–[Fe (II)/PDS] system at pH> 3.0 has limited
its wide application in water treatment. To unravel the underlying mechanism, this study …

Hydrothermally treated peat/magnetite composites as highly efficient heterogeneous Fenton catalyst: Integrating multiple reaction mechanisms to enhance the …

F Deng, Q Chen, Y Zhu, X Liang, R Zhu, Y Xi - Chemical Engineering …, 2023 - Elsevier
Although various strategies have been developed to boost the reactivity of heterogeneous
Fenton catalysts, integrating multiple strategies in one catalyst to achieve high Fenton …

Constant oxidation of atrazine in Fe (III)/PDS system by enhancing Fe (III)/Fe (II) cycle with quinones: Reaction mechanism, degradation pathway and DFT calculation

Y An, X Li, Z Liu, Y Li, Z Zhou, X Liu - Chemosphere, 2023 - Elsevier
Quinones are potential pollutants and redox active compounds widely distributed in
environmental media. In this study, methyl-p-benzoquinone (MBQ) was introduced into Fe …