Insights into the removal of organic contaminants by calcium sulfite activation with Fe (III): Performance, kinetics, and mechanisms

Z Zhou, J Huang, G Zeng, R Yang, Z Xu, Z Zhou, S Lyu - Water Research, 2022 - Elsevier
S (IV)-based advanced oxidation process has been applied for contaminants remediation.
However, as a traditional source of sulfite (SO 3 2−), Na 2 SO 3 is extremely soluble in water …

Persistent free radicals in biochar enhance superoxide-mediated Fe (III)/Fe (II) cycling and the efficacy of CaO2 Fenton-like treatment

S Zhang, Y Wei, J Metz, S He, PJJ Alvarez… - Journal of Hazardous …, 2022 - Elsevier
Abstract Superoxide radicals (O 2•-) produced by the reaction of Fe (III) with H 2 O 2 can
regenerate Fe (II) in Fenton-like reactions, and conditions that facilitate this function enhance …

Recent developments in electrochemical reduction for remediation of chlorinated hydrocarbons contaminated groundwater

R Zhang, L Ding, B Cai, P Zhao, M Ding… - Journal of …, 2024 - Elsevier
Chlorinated hydrocarbons are among the most prevalent toxic pollutants in groundwater
worldwide, prompting significant research into their safe degradation technologies. This …

Activation of calcium peroxide by nitrogen and sulfur co-doped metal-free lignin biochar for enhancing the removal of emerging organic contaminants from waste …

CD Dong, JW Cheng, CW Chen, CP Huang… - Bioresource …, 2023 - Elsevier
The accumulation of emerging organic contaminants (EOCs) in waste activated sludge
(WAS) is a global concern. In this study, a multi-heteroatom nitrogen and sulfur was …

A comprehensive review on BPA degradation by heterogeneous Fenton-like processes

A Nath, S Biswas, A Pal - Water Science & Technology, 2022 - iwaponline.com
Synthetic organic pollutants emanating continuously in the ecosystem have become a
global concern because of their toxicity and persistent nature. Bisphenol A (BPA) is one …

Comparative studies of organic contaminant removal in different calcium sulfite-enhanced oxidant/Fe (II) systems: Kinetics, mechanisms, and differentiated …

Z Zhou, J Huang, G Zeng, R Yang, Z Xu… - Journal of Hazardous …, 2023 - Elsevier
The application of S (IV) for the regeneration of Fe (II) has been widely investigated. As the
common S (IV) sources, sodium sulfite (Na 2 SO 3) and sodium bisulfite (NaHSO 3) are …

Insight into n-CaO2/SBC/Fe (II) Fenton-like system for glyphosate degradation: pH change, iron conversion, and mechanism

Y **e, R **ong, J Li, W Li, X Yang, H Tong - Journal of Environmental …, 2023 - Elsevier
Glyphosate has significant adverse effects on creature and ecological balance. Therefore,
the efficient treatment of glyphosate wastewater is of great significance. In this study, nano …

A self-circulating electro-fenton-like process over Fe3O4–CaO2 cathode for highly efficient degradation of levofloxacin

Y Bai, X Sun, Y Dang, S Yu, JJ Zhu, Y Zhou - Chemosphere, 2023 - Elsevier
Electro-Fenton reaction was limited by the generation of H 2 O 2 and the circulation of Fe
(Ⅱ)/Fe (Ⅲ). Herein, an efficient electro-Fenton-like process was constructed based on Fe 3 …

Performance and bacterial community dynamics of lignin-based biochar-coupled calcium peroxide pretreatment of waste-activated sludge for the removal of 4 …

CM Hung, CW Chen, CP Huang, SS Lam… - Bioresource …, 2022 - Elsevier
Waste activated sludge contaminated with high levels of 4-nonylphenol (4-NP) is a major
environmental concern. We have synthesized lignin-based biochar (LGBC) for use as a …

Comparative study of the performance of controlled release materials containing mesoporous MnOx in catalytic persulfate activation for the remediation of tetracycline …

T Wang, K Xu, K Yan, L Wu, K Chen, J Wu… - Science of the Total …, 2022 - Elsevier
Controlled release materials (CRMs) are an emerging oxidant delivery technique for in-situ
chemical oxidation (ISCO) that solve the problems of contaminant rebound, backflow and …