Toward selective oxidation of contaminants in aqueous systems

Z Yang, J Qian, C Shan, H Li, Y Yin… - Environmental Science & …, 2021 - ACS Publications
The presence of diverse pollutants in water has been threating human health and aquatic
ecosystems on a global scale. For more than a century, chemical oxidation using strongly …

Insights into reactive species generation and organics selective degradation in Fe-based heterogeneous Fenton-like systems: a critical review

L Li, Z Yin, M Cheng, L Qin, S Liu, H Yi, M Zhang… - Chemical Engineering …, 2023 - Elsevier
Abstract Currently, iron (Fe)-based heterogeneous Fenton-like processes have been widely
employed for treating organic pollutants in wastewater. During such processes, organic …

Revealing *OOH key intermediates and regulating H2O2 photoactivation by surface relaxation of Fenton-like catalysts

X Xu, Y Zhang, Y Chen, C Liu… - Proceedings of the …, 2022 - National Acad Sciences
Hydrogen peroxide (H2O2) molecules play important roles in many green chemical
reactions. However, the high activation energy limits their application efficiency, and there is …

Revealing the Generation of High-Valent Cobalt Species and Chlorine Dioxide in the Co3O4-Activated Chlorite Process: Insight into the Proton Enhancement Effect

R Su, N Li, Z Liu, X Song, W Liu, B Gao… - Environmental …, 2023 - ACS Publications
A Co3O4-activated chlorite (Co3O4/chlorite) process was developed to enable the
simultaneous generation of high-valent cobalt species [Co (IV)] and ClO2 for efficient …

In situ ligand-modulated activation of inert Ce (III/IV) into ozonation catalyst for efficient water treatment

J Zhang, C Shan, W Zhang… - Proceedings of the …, 2023 - National Acad Sciences
As a classic strategy to maximize catalytic activity, modulation of the electronic structure of
central metal using organic ligands encounters great challenge in radical reactions …

The Fenton reaction in water assisted by picolinic acid: accelerated iron cycling and co-generation of a selective Fe-based oxidant

Z Yang, C Shan, B Pan… - Environmental Science & …, 2021 - ACS Publications
The Fenton reaction is limited by a narrow acidic pH range, the slow reduction of Fe (III), and
susceptibility of the nonselective hydroxyl radical (HO•) to scavenging by water constituents …

Selective hydroxyl generation for efficient pollutant degradation by electronic structure modulation at Fe sites

H Zhan, R Zhou, P Wang… - Proceedings of the …, 2023 - National Acad Sciences
Hydrogen peroxide (H2O2) is an important green oxidant in the field of sewage treatment,
and how to improve its activation efficiency and generate free radicals with stronger …

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 dependence of hydroxyl radical, ferryl, and/or ferric peroxo species generation in the heterogeneous Fenton process

Y Chen, CJ Miller, TD Waite - Environmental Science & …, 2021 - ACS Publications
The heterogeneous Fenton process in the presence of Fe-containing minerals is ubiquitous
in nature and widely deployed in wastewater treatment. While there have been extensive …

Generation of Reactive Oxygen Species and Degradation of Pollutants in the Fe2+/O2/Tripolyphosphate System: Regulated by the Concentration Ratio of Fe2+ and …

C Zhang, C Kong, PG Tratnyek… - Environmental Science & …, 2022 - ACS Publications
Tripolyphosphate (TPP) has many advantages as a ligand for the optimization of the
Fe2+/O2 system in environmental remediation applications. However, the relationship …