Interactions of ferrous iron with clay mineral surfaces during sorption and subsequent oxidation

Interactions of ferrous iron with clay mineral surfaces during sorption and subsequent oxidation

In submerged soils and sediments, clay minerals are often exposed to anoxic waters containing ferrous iron (Fe 2+ ). Here, we investigated the sorption of Fe 2+ onto a synthetic montmorillonite (Syn-1) low in structural Fe (

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Veröffentlicht in:Environmental science--processes & impacts 2020-06, Vol.22 (6), p.1355-1367
Hauptverfasser: Van Groeningen, Natacha, ThomasArrigo, Laurel K, Byrne, James M, Kappler, Andreas, Christl, Iso, Kretzschmar, Ruben
Format: Artikel
Sprache:eng
Schlagworte:
Absorption spectroscopy
air
Anoxic conditions
Anoxic waters
Clay
Clay minerals
Clay soils
Data collection
environmental science
Exposure
ferrihydrite
Iron
Iron 57
lepidocrocite
Minerals
Montmorillonite
Mossbauer spectroscopy
Oxidation
Precipitates
Sediments
Solid phases
Sorption
Speciation
Spectroscopic analysis
Spectrum analysis
Synchrotron radiation
X ray absorption
X-ray absorption spectroscopy
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Beschreibung
Zusammenfassung:In submerged soils and sediments, clay minerals are often exposed to anoxic waters containing ferrous iron (Fe 2+ ). Here, we investigated the sorption of Fe 2+ onto a synthetic montmorillonite (Syn-1) low in structural Fe (
ISSN:2050-7887
2050-7895
2050-7895
DOI:10.1039/d0em00063a