Recent progress in understanding the mechanism of heavy metals retention by iron (oxyhydr) oxides

M Shi, X Min, Y Ke, Z Lin, Z Yang, S Wang… - Science of the Total …, 2021 - Elsevier
Heavy metals are widespread toxic environmental pollutants that can generate enormous
health and public concern. Iron (oxyhydr) oxides are ubiquitous in both natural and …

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 …

Microscopic Evidence for Liquid-Liquid Separation in Supersaturated CaCO3 Solutions

AF Wallace, LO Hedges, A Fernandez-Martinez… - Science, 2013 - science.org
Recent experimental observations of the onset of calcium carbonate (CaCO3) mineralization
suggest the emergence of a population of clusters that are stable rather than unstable as …

High efficiency and selectivity of MgFe-LDH modified wheat-straw biochar in the removal of nitrate from aqueous solutions

L Xue, B Gao, Y Wan, J Fang, S Wang, Y Li… - Journal of the Taiwan …, 2016 - Elsevier
Mg–Fe layered double hydroxide (MgFe-LDH) particles were incorporated into wheat-straw
biochar by liquid-phase deposition. The obtained biochar/MgFe-LDH composite was used to …

Producing OH, SO4− and O2− in heterogeneous Fenton reaction induced by Fe3O4-modified schwertmannite

T Li, X Wang, Y Chen, J Liang, L Zhou - Chemical Engineering Journal, 2020 - Elsevier
Heterogeneous Fenton has become a promising economical and environmentally-friendly
method for water treatment, however, the production of abundant radical resources (eg …

Antimony (V) incorporation into schwertmannite: critical insights on antimony retention in acidic environments

M Rastegari, N Karimian, SG Johnston… - … science & technology, 2022 - ACS Publications
This study examines incorporation of Sb (V) into schwertmannite─ an Fe (III)
oxyhydroxysulfate mineral that can be an important Sb host phase in acidic environments …

Arsenic-imposed effects on schwertmannite and jarosite formation in acid mine drainage and coupled impacts on arsenic mobility

ED Burton, N Karimian, SG Johnston… - ACS Earth and Space …, 2021 - ACS Publications
This study explores interactions between As and Fe (III) minerals, predominantly
schwertmannite and jarosite, in acid mine drainage (AMD) via observations at a former mine …

Comparison of arsenate, chromate and molybdate binding on schwertmannite: Surface adsorption vs anion-exchange

J Antelo, S Fiol, D Gondar, R López, F Arce - Journal of colloid and …, 2012 - Elsevier
The presence of iron oxides may play an important role in controlling the mobility and
availability of contaminants in soils and waters affected by acid mine drainage. The present …

Photochemical Origins of Iron Flocculation in Acid Mine Drainage

H Ma, S Zhu, Z Huang, W Zheng, C Liu… - Environmental …, 2024 - ACS Publications
Acid mine drainage (AMD) raises a global environmental concern impacting the iron cycle.
Although the formation of Fe (III) minerals in AMD-impacted waters has previously been …

Alkaline modification on schwertmannite promoted the simultaneous immobilization of arsenite and cadmium

X Wang, J Fu, Y Dong, L Wang, L Zhou - Chemical Engineering Journal, 2023 - Elsevier
Abstract Arsenic (As) and cadmium (Cd) co-contamination is of most concern in the
environment. Schwertmannite (Sch), a poorly crystalline Fe (III) oxyhydroxy-sulfate mineral …