Water vapor condensation on iron minerals spontaneously produces hydroxyl radical

Y Pan, X Zheng, G Zhao, Z Rao, W Yu… - Environmental …, 2023 - ACS Publications
The hydroxyl radical (• OH) is a potent oxidant and key reactive species in mediating
element cycles and pollutant dynamics in the natural environment. The natural source of• …

Mechanistic insights into Sb (III) and Fe (II) co-oxidation by oxygen and hydrogen peroxide: Dominant reactive oxygen species and roles of organic ligands

Y Wang, L Kong, M He, C Lin, W Ouyang, X Liu… - Water Research, 2023 - Elsevier
Abstract Sole O 2 or H 2 O 2 oxidant hardly oxidize Sb (III) on a time scale of hours to days,
but Sb (III) oxidation can simultaneously occur in Fe (II) oxidation by O 2 and H 2 O 2 due to …

Aptamer-controlled reversible colorimetric assay: High-activity bimetallic organic frameworks for the efficient sensing of marine biotoxins

S Liu, Y Huo, G Li, L Huang, T Wang, Z Gao - Chemical Engineering …, 2023 - Elsevier
Marine biotoxins poison seafood under conditions of eutrophication induced by harmful
algal blooms, threatening life. It is challenging to construct efficient sensing technologies for …

Sunlight-induced interfacial electron transfer of ferrihydrite under oxic conditions: mineral transformation and redox active species production

Z Shu, Z Pan, X Wang, H He, S Yan, X Zhu… - Environmental …, 2022 - ACS Publications
Fe (II)-catalyzed ferrihydrite transformation under anoxic conditions has been intensively
studied, while such mechanisms are insufficient to be applied in oxic environments with …

Selective production of singlet oxygen for harmful cyanobacteria inactivation and cyanotoxins degradation: Efficiency and mechanisms

B Yu, X Li, M He, Y Li, J Ding, Y Zhong… - Journal of Hazardous …, 2023 - Elsevier
Abstract Knowledge about the impact of singlet oxygen (1 O 2) on the characteristics and
inactivation of harmful cyanobacterial organic matter is limited. In this study, the feasibility of …

Iron plaque formation, characteristics, and its role as a barrier and/or facilitator to heavy metal uptake in hydrophyte rice (Oryza sativa L.)

P Zandi, J Yang, A Darma, E Bloem, X Xia… - Environmental …, 2023 - Springer
The persistent bioavailability of toxic metal (oids)(TM) is undeniably the leading source of
serious environmental problems. Through the transfer of these contaminants into food …

Secondary mineral formation and carbon dynamics during FeS oxidation in the presence of dissolved organic matter

H Ma, P Wang, A Thompson, Q Xie, M Zhu… - Environmental …, 2022 - ACS Publications
Iron (Fe) minerals constitute a major control on organic carbon (OC) storage in soils and
sediments. While previous research has mainly targeted Fe (oxyhydr) oxides, the impact of …

Phosphate removal by low-cost industrial byproduct iron shavings: Efficacy and longevity

H Ai, K Zhang, CJ Penn, H Zhang - Water Research, 2023 - Elsevier
Iron shavings (IS) are low-cost industrial byproducts that show great potential in removing
phosphorus (P) from contaminated water. This work investigates the effectiveness of IS for P …

Redox behavior of secondary solid iron species and the corresponding effects on hydroxyl radical generation during the pyrite oxidation process

Z Zhao, S Peng, C Ma, C Yu, D Wu - Environmental Science & …, 2022 - ACS Publications
During the pyrite oxidation process, aqueous ferrous/ferric ions (Fe2+/Fe3+), as well as
surface-adsorbed Fe2+/Fe3+, have been widely recognized to dominate hydroxyl radical (• …

Vanadium as co-catalyst for exceptionally boosted Fenton and Fenton-like oxidation: Vanadium species mediated direct and indirect routes

F Cheng, Y Tong, Y Liu, Y Yuan, Z Chen, J Liang… - Journal of Hazardous …, 2023 - Elsevier
In this study, vanadium powder (V) was employed as a cocatalyst to enhance the Fenton-like
system. The V-Fe (III)/H 2 O 2 system can rapidly produce hydroxyl radicals and completely …