Fe (II) redox chemistry in the environment

J Huang, A Jones, TD Waite, Y Chen, X Huang… - Chemical …, 2021 - ACS Publications
Iron (Fe) is the fourth most abundant element in the earth's crust and plays important roles in
both biological and chemical processes. The redox reactivity of various Fe (II) forms has …

Schwertmannite: A review of its occurrence, formation, structure, stability and interactions with oxyanions

VA Schoepfer, ED Burton - Earth-Science Reviews, 2021 - Elsevier
In this article, we provide a critical review on the occurrence, formation, structure and stability
of schwertmannite–an enigmatic Fe (III) oxyhydroxy-sulfate mineral that is of widespread …

Redox oscillations activate thermodynamically stable iron minerals for enhanced reactive oxygen species production

G Zhao, M Tan, B Wu, X Zheng, R Xiong… - Environmental …, 2023 - ACS Publications
Reactive oxygen species (ROS) play key roles in driving biogeochemical processes. Recent
studies have revealed nonphotochemical electron transfer from redox-active substances …

Coexisting goethite promotes Fe (II)-catalyzed transformation of ferrihydrite to goethite

L Notini, LK ThomasArrigo, R Kaegi… - … Science & Technology, 2022 - ACS Publications
In redox-affected soil environments, electron transfer between aqueous Fe (II) and solid-
phase Fe (III) catalyzes mineral transformation and recrystallization processes. While these …

Stabilization of ferrihydrite and lepidocrocite by silicate during Fe (II)-catalyzed mineral transformation: Impact on particle morphology and silicate distribution

K Schulz, LK ThomasArrigo, R Kaegi… - Environmental …, 2022 - ACS Publications
Interactions between aqueous ferrous iron (Fe (II)) and secondary Fe oxyhydroxides
catalyze mineral recrystallization and/or transformation processes in anoxic soils and …

Cadmium isotope fractionation during adsorption and substitution with iron (oxyhydr) oxides

X Yan, M Zhu, W Li, CL Peacock, J Ma… - … science & technology, 2021 - ACS Publications
Cadmium (Cd) isotopes have great potential for understanding Cd geochemical cycling in
soil and aquatic systems. Iron (oxyhydr) oxides can sequester Cd via adsorption and …

Multiple effects of humic components on microbially mediated iron redox processes and production of hydroxyl radicals

R Han, Z Wang, J Lv, Z Zhu, GH Yu, G Li… - … Science & Technology, 2022 - ACS Publications
Microbially mediated iron redox processes are of great significance in the biogeochemical
cycles of elements, which are often coupled with soil organic matter (SOM) in the …

Coupled redox cycling of Fe and Mn in the environment: The complex interplay of solution species with Fe-and Mn-(oxyhydr) oxide crystallization and transformation

J Liu, Q Chen, Y Yang, H Wei, M Laipan, R Zhu… - Earth-Science …, 2022 - Elsevier
The chemistry of Fe and Mn in natural geochemical systems are closely coupled, as Fe and
Mn always co-exist in various forms (eg, hydrated ions, soluble complexes, and particles) in …

Ferrihydrite transformation impacted by coprecipitation of lignin: Inhibition or facilitation?

L Liu, Z Yang, W Yang, W Jiang, Q Liao, M Si… - Journal of Environmental …, 2024 - Elsevier
Lignin is a common soil organic matter that is present in soils, but its effect on the
transformation of ferrihydrite (Fh) remains unclear. Organic matter is generally assumed to …

Effects of Fe oxides and their redox cycling on Cd activity in paddy soils: A review

Y Gao, H Tong, Z Zhao, N Cheng, P Wu - Journal of Hazardous Materials, 2023 - Elsevier
Cadmium (Cd) contamination of soils is a global problem, particularly in paddy soils. Fe
oxides, as a key fraction of paddy soils, can significantly affect the environmental behavior of …