Enhanced removal of antimony by acid birnessite with doped iron ions: Companied by the structural transformation

H Lu, W Zhang, L Tao, F Liu, J Zhang - Chemosphere, 2019 - Elsevier
In the environment, antimony as a priority control pollutant is mainly associated with Fe-or
Mn-related minerals. In this work, acid birnessite (AB) doped with iron was synthesized as …

Antimony oxidation and sorption behavior on birnessites with different properties (δ-MnO2 and triclinic birnessite)

Q Sun, PX Cui, C Liu, SM Peng, ME Alves… - Environmental …, 2019 - Elsevier
Birnessites are abundant naturally occurring minerals with high sorption and oxidation
capacity that could therefore play an important role in antimony (Sb) migration and …

Co2+-exchange mechanism of birnessite and its application for the removal of Pb2+ and As (III)

H Yin, F Liu, X Feng, M Liu, W Tan, G Qiu - Journal of hazardous materials, 2011 - Elsevier
Co-containing birnessites were obtained by ion exchange at different initial concentrations
of Co2+. Ion exchange of Co2+ had little effect on birnessite crystal structure and …

Characterization of Co-doped birnessites and application for removal of lead and arsenite

H Yin, X Feng, G Qiu, W Tan, F Liu - Journal of hazardous materials, 2011 - Elsevier
Nanostructured Co-doped birnessites were successfully synthesized, and their application
for the removal of Pb2+ and As (III) from aquatic systems was investigated. Powder X-ray …

Efficient removal of antimony with natural secondary iron minerals: effect of structural properties and sorption mechanism

N Wang, N Deng, Y Qiu, Z Su, C Huang… - Environmental …, 2020 - CSIRO Publishing
Environmental context Antimony is classified as a priority pollutant and is increasingly
detected in the environment as a result of various anthropogenic activities. Natural …

Impacts of ammonium ion on triclinic birnessites towards the transformation of As (III)

L Jiang, P Wu, Y Xu, Y Li, M Chen, Z Ahmed… - Environmental Pollution, 2022 - Elsevier
Triclinic birnessite (TB), a typical layered Mn oxide which is abundant naturally occurring
minerals with a vital impact on the transformation of arsenite (As (III)) by adsorption and …

Antimonate controls manganese (II)-induced transformation of birnessite at a circumneutral pH

N Karimian, K Hockmann… - Environmental …, 2021 - ACS Publications
Manganese (Mn) oxides, such as birnessite (δ-MnO2), are ubiquitous mineral phases in
soils and sediments that can interact strongly with antimony (Sb). The reaction between …

Reductive transformation of birnessite and the mobility of co-associated antimony

N Karimian, SG Johnston, ED Burton - Journal of Hazardous Materials, 2021 - Elsevier
Manganese (Mn) oxide minerals, such as birnessite, are thought to play an important role in
affecting the mobility and fate of antimony (Sb) in the environment. In this study, we …

Sorption of antimony (V) to naturally formed multicomponent secondary iron minerals: Sorption behavior and a comparison with synthetic analogs

L Peng, H Li, W Lin, T Xiao, J Wang, J Tang… - Science of The Total …, 2024 - Elsevier
Antimony (Sb) pollution in water has attracted extensive attention due to the biotoxicity of Sb.
Secondary iron minerals readily sorb heavy metal (loid) s and critically affect their cycling in …

Mechanism of birnessite-promoted oxidative dissolution of antimony trioxide

J Shan, X Ding, M He, W Ouyang, C Lin… - Environmental …, 2020 - CSIRO Publishing
Environmental context The release of antimony and its compounds to the environment can
present a toxic hazard for humans. We evaluated the use of birnessite to dissolve antimony …