Biogeochemical Cycling of Fe, Mn, and S and Their Impact on Contaminant Dynamics
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Environmental Mineralogy and Biogeochemistry".
Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 1089
Special Issue Editors
Interests: soil mineralogy; environmental geochemistry; iron and sulfur cycling; X-ray absorption spectroscopy; Fe oxides; mobility of antimony; arsenic and phosphate
Interests: environmental geochemistry; mineralogy; trace metals contamination; redox; iron cycle; sulfur cycle; arsenic; antimony; XAS; manganese minerals; acid sulfate soils
Special Issue Information
Dear Colleagues,
A complex interplay between hydrology, redox conditions, and iron (Fe), manganese (Mn), and sulfur (S) cycling leads to diverse reactions that determine geochemical behaviour of contaminants and nutrients in near-surface environments. Transformation of metastable Fe and Mn phases affects speciation, partitioning, and mobility of associated contaminants and nutrients. Under anaerobic conditions, such mineral transformations may be induced or catalysed by the presence of microbially produced Fe(II), Mn(II), or S(−II). Under aerated conditions, oxidation of Fe(II), Mn(II), or S(−II) results in the co-precipitation and incorporation of toxic and essential elements. Recent research has shown that co-occurring contaminants and nutrients can also have a severe impact on the nature, pathways, and kinetics of mineral (trans)formations.
With this Special Issue, we invite you to submit current work that explores the coupling of contaminant (e.g., arsenic (As), antimony (Sb), organic pollutants) and nutrient (e.g., phosphate (PO₄³⁻), sulfate (SO₄²⁻)) dynamics with Fe, Mn, and S mineral transformations in natural or engineered environments. We welcome original research and reviews from experimental work, field studies, and theoretical approaches, and we especially encourage contributions that use multidisciplinary approaches to explore biogeochemical processes across multiple scales. Studies using cutting-edge analytical techniques such as synchrotron-based spectroscopic and scattering methods are very welcome.
Dr. Kerstin Hockmann
Dr. Niloofar Karimian
Guest Editors
Manuscript Submission Information
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Keywords
- contaminant mobility
- Fe sulfides
- Fe and Mn oxides
- redox reactions
- mineral transformations
- wetland soils and sediments
- mining sites
- speciation
- elemental cycling
- soil quality
- remediation
- spectroscopy
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