Advances in molecular and microscale characterization of soil organic matter: current limitations and future prospects

J Lv, Z Huang, L Luo, S Zhang… - Environmental science & …, 2022 - ACS Publications
Soil organic matter (SOM) comprises a continuum of organic materials from granular organic
debris to small organic molecules and contains more organic carbon than global vegetation …

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 …

Radical perfluoroalkylation of aliphatic substrates

DE Yerien, S Barata-Vallejo, A Postigo - ACS Catalysis, 2023 - ACS Publications
A selection of perfluoroalkylation reactions of aliphatic substrates that display
methodological and synthetic amplitude will be studied, giving examples of their …

Microbial reduction of Fe (III) in nontronite: role of biochar as a redox mediator

H Dong, ES Coffin, Y Sheng, ML Duley… - … et Cosmochimica Acta, 2023 - Elsevier
Biochar naturally occurs in soils and sediments as a result of wildfire, but its role in Fe redox
cycling is poorly known. In this study, bioreduction experiments were conducted with lactate …

Facet-dependent reactivity of α-Fe2O3 nanosheet on reactive oxygen species generation in Fenton-like process

Y Yin, Y Zhang, B Wu, L Hu, Y Wang, J Wan… - Applied Catalysis B …, 2024 - Elsevier
Differences in physical structure (eg, size, morphology, and exposed facets) will lead to
divergence in the understanding of Fenton-like mechanisms. Herein, an iron oxide …

Mercury isotope fractionation during dark abiotic reduction of Hg (II) by dissolved, surface-bound, and structural Fe (II)

L Schwab, N Gallati, SM Reiter, RL Kimber… - Environmental …, 2023 - ACS Publications
Stable mercury (Hg) isotope ratios are an emerging tracer for biogeochemical
transformations in environmental systems, but their application requires knowledge of …

Activation of persulfate with natural organic acids (ascorbic acid/catechin hydrate) for naproxen degradation in water and soil: Mechanism, pathway, and toxicity …

R Feng, L Chen, W Li, T Cai, C Jiang - Journal of Hazardous Materials, 2023 - Elsevier
In this study, we investigated the effects of different natural organic acids (NOAs), L-ascorbic
acid (AA) and (+)-catechin hydrate (CAT), on the activation of persulfate (PDS) for the …

Defect‐Engineering‐Mediated Long‐Lived Charge‐Transfer Excited‐State in Fe–Gallate Complex Improves Iron Cycle and Enables Sustainable Fenton‐Like …

Y Shi, G Zhang, C Xiang, C Liu, J Hu… - Advanced …, 2024 - Wiley Online Library
Fenton reactions are inefficient because the Fe (II) catalyst cannot be recycled in time due to
the lack of a rapid electron transport pathway. This results in huge H2O2 wastage in …

Metallic iron (Fe0)-based materials for aqueous phosphate removal: A critical review

B Konadu-Amoah, R Hu, AI Ndé-Tchoupé… - Journal of …, 2022 - Elsevier
The discharge of excessive phosphate from wastewater sources into the aquatic
environment has been identified as a major environmental threat responsible for …

A New Approach for Investigating Iron Mineral Transformations in Soils and Sediments Using 57Fe-Labeled Minerals and 57Fe Mössbauer Spectroscopy

L Notini, K Schulz, LJ Kubeneck… - Environmental …, 2023 - ACS Publications
Iron minerals in soils and sediments play important roles in many biogeochemical processes
and therefore influence the cycling of major and trace elements and the fate of pollutants in …