Merits and limitations of radical vs. nonradical pathways in persulfate-based advanced oxidation processes

Y Yan, Z Wei, X Duan, M Long, R Spinney… - Environmental …, 2023 - ACS Publications
Urbanization and industrialization have exerted significant adverse effects on water quality,
resulting in a growing need for reliable and eco-friendly treatment technologies. Persulfate …

Persulfate-based advanced oxidation: critical assessment of opportunities and roadblocks

J Lee, U Von Gunten, JH Kim - Environmental science & …, 2020 - ACS Publications
Reports that promote persulfate-based advanced oxidation process (AOP) as a viable
alternative to hydrogen peroxide-based processes have been rapidly accumulating in recent …

Nonradicals induced degradation of organic pollutants by peroxydisulfate (PDS) and peroxymonosulfate (PMS): Recent advances and perspective

Y Ding, X Wang, L Fu, X Peng, C Pan, Q Mao… - Science of the Total …, 2021 - Elsevier
Nonradical persulfate oxidation processes have emerged as a new wastewater treatment
method due to production of mild nonradical oxidants, selective oxidation of organic …

Ferrate (VI)/periodate system: synergistic and rapid oxidation of micropollutants via periodate/iodate-modulated Fe (IV)/Fe (V) intermediates

L Niu, J Lin, W Chen, Q Zhang, X Yu… - … Science & Technology, 2023 - ACS Publications
The presence of organic micropollutants in water sources worldwide has created a need for
the development of effective and selective oxidation methods in complex water matrices …

Non-radical reactions in persulfate-based homogeneous degradation processes: A review

W Peng, Y Dong, Y Fu, L Wang, Q Li, Y Liu… - Chemical Engineering …, 2021 - Elsevier
Recently there is vigorous growth of reports on persulfate (PS)-based advanced oxidation
processes (AOPs), inclining to development of newfangled catalysts and treatment of a wide …

Catalytic persulfate activation for oxidation of organic pollutants: A critical review on mechanisms and controversies

N Chen, D Lee, H Kang, D Cha, J Lee, C Lee - Journal of Environmental …, 2022 - Elsevier
Persulfate-based advanced oxidation processes (PS-AOPs) have received increasing
attention as new approaches to oxidize refractory organic pollutants in contaminated water …

Chloride-mediated enhancement in heat-induced activation of peroxymonosulfate: new reaction pathways for oxidizing radical production

YY Ahn, J Choi, M Kim, MS Kim, D Lee… - Environmental …, 2021 - ACS Publications
This study is the first to demonstrate the capability of Cl–to markedly accelerate organic
oxidation using thermally activated peroxymonosulfate (PMS) under acidic conditions. The …

Production of reactive oxygen species by the reaction of periodate and hydroxylamine for rapid removal of organic pollutants and waterborne bacteria

H Sun, F He, W Choi - Environmental Science & Technology, 2020 - ACS Publications
Periodate (PI, IO4–) can be activated by hydroxylamine (HA), resulting in the rapid removal
of organic pollutants within seconds. While the previous studies on PI-based advanced …

Ultrafast degradation of micropollutants in water via electro-periodate activation catalyzed by nanoconfined Fe2O3

D Guo, Y Yao, S You, L Jin, P Lu, Y Liu - Applied Catalysis B …, 2022 - Elsevier
Herein, we developed and evaluated an electrochemical periodate (PI) activation system for
the ultrafast degradation of aqueous micropollutants (τ< 3 s). Filters constructed from carbon …

Revealing intrinsic relations between Cu scales and radical/nonradical oxidations to regulate nucleophilic/electrophilic catalysis

Z Wan, Y Cao, Z Xu, X Duan, S Xu… - Advanced Functional …, 2023 - Wiley Online Library
Copper/carbon catalysts under different electron‐transfer regimes can evolve both radical
and nonradical pathways in peroxide activation. However, the underlying trigger to …