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 …

[HTML][HTML] Schwertmannite: occurrence, properties, synthesis and application in environmental remediation

Z Zhang, X Bi, X Li, Q Zhao, H Chen - RSC advances, 2018 - pubs.rsc.org
Schwertmannite is a typical iron-derived mineral, which was originally discovered in acid
mine drainings and subsequently synthesized in the laboratory. Increasingly, it is seen as …

Superior photo–Fenton activity towards chlortetracycline degradation over novel g–C3N4 nanosheets/schwertmannite nanocomposites with accelerated Fe (III)/Fe (II) …

XX Qiao, XJ Liu, WY Zhang, YL Cai, Z Zhong… - Separation and …, 2021 - Elsevier
Abstract The low Fe (III)/Fe (II) conversion rate seriously hinders the progress of
heterogeneous Fenton reactions. In this work, g–C 3 N 4 nanosheets/schwertmannite …

Effects of hydrogen-peroxide supply rate on schwertmannite microstructure and chromium (VI) adsorption performance

Z Zhang, G Guo, X Li, Q Zhao, X Bi, K Wu… - Journal of hazardous …, 2019 - Elsevier
Schwertmannite has attracted increasing interest for its excellent sorption for pollutants such
as arsenite [As (III)] and arsenate [As (V)]. Limited studies were conducted with hexavalent …

Stability and trace element composition of natural schwertmannite precipitated from acid mine drainage

Q Chen, DR Cohen, MS Andersen, AM Robertson… - Applied …, 2022 - Elsevier
Schwertmannite is an iron hydroxo sulfate secondary mineral (Fe 8 O 8 (OH) 8-2x (SO 4) x•
nH 2 O; 1≤ x≤ 1.75) that commonly precipitates in sulfate-rich acid and metalliferous …

Synergy of oxalic acid and sunlight triggered Cr (III)-bearing Schwertmannite transformation: Reaction mechanism, Cr and C spatial distribution and speciation on the …

Q Yao, C Guo, X Li, X Jin, G Lu, X Yi, W Huang… - … et Cosmochimica Acta, 2022 - Elsevier
Cr (III)-bearing iron minerals are widely present in acid mine drainage (AMD)-contaminated
areas. In the light-transmitting layer of natural systems, dissolved organic matter (DOM) can …

Multifunctional schwertmannite-loaded nano zero-valent iron for highly efficient removal of hexavalent chrome from aqueous solution

H Jia, Z Zhang, S Sun, Y Li, Z Song, H Huang… - Journal of …, 2024 - Elsevier
Adsorption and reduction are important ways to remediate hexavalent chrome [Cr (VI)] which
is extremely hazardous to human health. Previous studies have shown that schwertmannite …

Environmental stability of schwertmannite: a review

S Paikaray - Mine Water and the Environment, 2021 - search.proquest.com
Schwertmannite is sensitive to changes in geochemical, thermal, and microbial conditions.
Changes in aqueous pH beyond its stability, ie pH 2.5–4.5, triggers its transformation to …

[HTML][HTML] New perspectives on iron-based nanostructures

SM Taghizadeh, A Berenjian, M Zare… - Processes, 2020 - mdpi.com
Among all minerals, iron is one of the elements identified early by human beings to take
advantage of and be used. The role of iron in human life is so great that it made an era in the …

A coupled electrochemical process for schwertmannite recovery from acid mine drainage: Important roles of anodic reactive oxygen species and cathodic alkaline

Z Huang, H Ma, C Liu, F Meng, JF Lee, YJ Lin… - Journal of Hazardous …, 2023 - Elsevier
The increasing need for sustainable acid mine drainage (AMD) treatment has spurred much
attention to strategic development of resource recovery. Along this line, we envisage that a …