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 …

Facet-dependent contaminant removal properties of hematite nanocrystals and their environmental implications

X Huang, X Hou, X Zhang, KM Rosso… - Environmental Science …, 2018 - pubs.rsc.org
Hematite nanocrystals are ubiquitous in natural environments, and because of their strong
sorption properties these particles can influence the mobility and fate of toxic elements such …

Facet-dependent Cr (VI) adsorption of hematite nanocrystals

X Huang, X Hou, F Song, J Zhao… - Environmental Science & …, 2016 - ACS Publications
In this study, the adsorption process of Cr (VI) on the hematite facets was systematically
investigated with synchrotron-based Cr K-edge extended X-ray absorption fine structure …

Facet‐mediated photodegradation of organic dye over hematite architectures by visible light

X Zhou, J Lan, G Liu, K Deng, Y Yang, G Nie, J Yu… - Angewandte …, 2011 - infona.pl
Flächenwirkung: Der Photoabbau von Rhodamin B an α‐Fe 2 O 3 in Gegenwart von H 2 O 2
durch sichtbares Licht wurde untersucht (siehe Bild; von links nach rechts: 1D‐Nanostäbe …

Are the biogeochemical cycles of carbon, nitrogen, sulfur, and phosphorus driven by the “FeIII–FeII redox wheel” in dynamic redox environments?

Y Li, S Yu, J Strong, H Wang - Journal of Soils and Sediments, 2012 - Springer
Purpose Iron's fluctuation between the II (ferrous) and III (ferric) oxidation states has been
coined as the “Fe III–Fe II redox wheel.” Numerous studies have coupled the “iron redox …

Hydrogen generation from low-temperature water–rock reactions

LE Mayhew, ET Ellison, TM McCollom, TP Trainor… - Nature …, 2013 - nature.com
Hydrogen is commonly produced during the high-temperature hydration of mafic and
ultramafic rocks, owing to the oxidation of reduced iron present in the minerals …

Response of topsoil Fe-bound organic carbon pool and microbial community to Spartina alterniflora invasion in coastal wetlands

M Lin, Y Chen, L Cheng, Y Zheng, W Wang, J Sardans… - Catena, 2023 - Elsevier
Wetland ecosystems have dual functions as both carbon (C) sources and C sinks, playing a
vital role in the world's C budget. Wetlands are prone to suffer from plant invasions, and for …

Hematite facet confined ferrous ions as high efficient Fenton catalysts to degrade organic contaminants by lowering H2O2 decomposition energetic span

X Huang, X Hou, J Zhao, L Zhang - Applied Catalysis B: Environmental, 2016 - Elsevier
In this study, we demonstrate that ferrous ions confined on the hematite facets can
significantly promote the H 2 O 2 decomposition to produce• OH for more efficient organic …

Ascorbate-promoted surface iron cycle for efficient heterogeneous Fenton alachlor degradation with hematite nanocrystals

X Huang, X Hou, F Jia, F Song, J Zhao… - ACS Applied Materials …, 2017 - ACS Publications
This study reports the H2O2 activation with different hematite nanocrystals and ascorbate
ions for the herbicide alachlor degradation at pH 5. We found that hematite nanoplates …

Thermodynamic Characterization of Iron Oxide–Aqueous Fe2+ Redox Couples

CA Gorski, R Edwards, M Sander… - … science & technology, 2016 - ACS Publications
Iron is present in virtually all terrestrial and aquatic environments, where it participates in
redox reactions with surrounding metals, organic compounds, contaminants, and …