Abiotic oxidation of arsenite in natural and engineered systems: Mechanisms and related controversies over the last two decades (1999–2020)

Z Wang, Y Fu, L Wang - Journal of Hazardous Materials, 2021 - Elsevier
Abiotic oxidation of toxic As (III) to As (V) is being deemed as a necessary step for the overall
arsenic decontamination in both natural and engineered systems. Direct oxidation of As (III) …

Fe-Mn-Al metal oxides/oxyhydroxides as As (III) oxidant under visible light and adsorption of total arsenic in the groundwater environment

N Jain, A Maiti - Separation and Purification Technology, 2022 - Elsevier
Abstract Arsenite (As (III)) and arsenate (As (V)) species are responsible for arsenic toxicity
in groundwater. Anoxic groundwater condition makes it concentrate with highly toxic As (III) …

Novel nanozyme Ag/Fe3O4@ h-BN with peroxidase-mimicking and oxidase-mimicking activities for dye degradation, As (V) removal and detection

Z Xin, K Duan, Q Zhuo, Q He, X Zhang, C Zheng… - Chemical Engineering …, 2023 - Elsevier
Wastewater rich in compound pollution often posed serious environmental burden, not only
for the disposal difficulties, but also with a large amount of energy consumption. Recently, an …

Remediation of As-contaminated soils using citrate extraction coupled with electrochemical removal

X Yang, L Liu, Y Wang, G Qiu - Science of the Total Environment, 2022 - Elsevier
Arsenic (As) pollution of soils poses serious threats to the ecological environment. In this
study, organic acid (citrate) washing and electrochemical removal (manganese oxide …

Environmental Factors Controlling the Electronic Properties and Oxidative Activities of Birnessite Minerals

C Wang, V Chakrapani - ACS Earth and Space Chemistry, 2023 - ACS Publications
Recent studies of birnessite-type lattices show that they have an unusually low-lying band
structure with an electron affinity value of 6.0 eV, which is the highest among all common …

Effects of low molecular weight organic acids with different functional groups on arsenate adsorption on birnessite

M Liang, H Guo, W Xiu - Journal of Hazardous Materials, 2022 - Elsevier
In an aquatic ecosystem, especially constructed wetlands receiving arsenic (As)-containing
wastewater, the fate and mobility of As is influenced by manganese (Mn) oxides and organic …

In situ stabilization of arsenic in soil with organoclay, organozeolite, birnessite, goethite and lanthanum-doped magnetic biochar

S Bagherifam, TC Brown, CM Fellows, R Naidu… - Pedosphere, 2022 - Elsevier
Arsenic (As) is a known carcinogen and naturally occurring semi-metal in soils and in the
Earth's crust. Contamination of soils and water with As poses a serious threat to millions of …

天然含铁锰矿对砷的高效去除性能与机制研究

田周炀, 郑倩, 杜晓丽, 陈成, 李传维, 涂书新 - 环境工程技术学报, 2023 - hjgcjsxb.org.cn
为开发高效, 廉价的水体As (Ⅲ) 去除材料, 采用天然铁锰矿(NFM) 作为吸附剂, 通过动力学,
热力学, 等温吸附以及吸附/解吸试验评估其对As (Ⅲ) 的吸附性能, 结合傅里叶变换红外光谱 …

Solutions for an efficient arsenite oxidation and removal from groundwater containing ferrous iron

C Ying, C Liu, F Zhang, L Zheng, X Wang, H Yin, W Tan… - Water Research, 2023 - Elsevier
Manganese (Mn) oxides are extensively used to oxidize As (III) present in ground, drinking,
and waste waters to the less toxic and more easily removable As (V). The common presence …

Oxidation of Cr (III) to Cr (VI) and production of Mn (II) by synthetic manganese (IV) oxide

K Chen, L Bocknek, B Manning - Crystals, 2021 - mdpi.com
The heterogeneous oxidation of Cr (III) to Cr (VI), a toxic inorganic anion, by a synthetic
birnessite (δ-MnO2) was investigated in batch reactions using a combination of analytical …