Multiple roles of dissolved organic matter in advanced oxidation processes

X Yang, FL Rosario-Ortiz, Y Lei, Y Pan… - Environmental …, 2022 - ACS Publications
Advanced oxidation processes (AOPs) can degrade a wide range of trace organic
contaminants (TrOCs) to improve the quality of potable water or discharged wastewater …

Effect of inorganic anions on the performance of advanced oxidation processes for degradation of organic contaminants

J Wang, S Wang - Chemical Engineering Journal, 2021 - Elsevier
Inorganic anions, such as chloridion, carbonate, phosphate, sulfate and nitrate are
ubiquitous in water, they will react with hydroxyl radical and sulfate radical produced during …

Advanced activation of persulfate by polymeric g-C3N4 based photocatalysts for environmental remediation: a review

V Hasija, VH Nguyen, A Kumar, P Raizada… - Journal of hazardous …, 2021 - Elsevier
Photocatalytic materials for photocatalysis is recently proposed as a promising strategy to
address environmental remediation. Metal-free graphitic carbon nitride (gC 3 N 4), is an …

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 …

Identifying the nonradical mechanism in the peroxymonosulfate activation process: singlet oxygenation versus mediated electron transfer

ET Yun, JH Lee, J Kim, HD Park… - Environmental science & …, 2018 - ACS Publications
Select persulfate activation processes were demonstrated to initiate oxidation not reliant on
sulfate radicals, although the underlying mechanism has yet to be identified. This study …

Chemistry of persulfates in water and wastewater treatment: a review

S Wacławek, HV Lutze, K Grübel, VVT Padil… - Chemical Engineering …, 2017 - Elsevier
Persulfate decontamination technologies either utilizing radical driven processes or direct
electron transfer are very powerful tools for the treatment of a broad range of impurities …

Graphene-and CNTs-based carbocatalysts in persulfates activation: Material design and catalytic mechanisms

X Chen, WD Oh, TT Lim - Chemical Engineering Journal, 2018 - Elsevier
This article aims to present a state-of-art critical review on the recent practical and theoretical
development in graphene and carbon nanotubes (CNTs)-based materials as carbocatalysts …

Both Fe (IV) and radicals are active oxidants in the Fe (II)/peroxydisulfate process

H Dong, Y Li, S Wang, W Liu, G Zhou… - … Science & Technology …, 2020 - ACS Publications
The question of whether Fe (IV) or SO4•–is the dominant intermediate in the Fe (II)-activated
peroxydisulfate process [Fe (II)/PDS process] remains unanswered. In this study, besides Fe …

Generation of sulfate radical through heterogeneous catalysis for organic contaminants removal: current development, challenges and prospects

WD Oh, Z Dong, TT Lim - Applied Catalysis B: Environmental, 2016 - Elsevier
Sulfate radical-based advanced oxidation processes (SR-AOPs) employing heterogeneous
catalysts to generate sulfate radical (SO 4 radical dot−) from peroxymonosulfate (PMS) and …