Electroactive Fe-biochar for redox-related remediation of arsenic and chromium: distinct redox nature with varying iron/carbon speciation
Electroactive Fe-biochar has attracted significant attention for As (III)/Cr (VI) immobilization
through redox reactions, and its performance essentially lies in the regulation of various …
through redox reactions, and its performance essentially lies in the regulation of various …
Quantitative analysis on the redox conversion mechanism of Cr (VI) and As (III) by iron carbide based biochar composites
N Zhao, X Tan, J Xiong, N Chen, J Gao, R Wang… - Chemical Engineering …, 2022 - Elsevier
Fe-based materials have been widely used for removing Cr (VI) and As (III) in wastewater,
however, the quantitative understanding of their removal mechanism and functions of Fe is …
however, the quantitative understanding of their removal mechanism and functions of Fe is …
Concurrent adsorption and micro-electrolysis of Cr (VI) by nanoscale zerovalent iron/biochar/Ca-alginate composite
This study introduced a new approach for simultaneously enhancing Cr (VI) removal
performance and mitigating release of dissolved Fe during nanoscale zero-valent iron (nZVI) …
performance and mitigating release of dissolved Fe during nanoscale zero-valent iron (nZVI) …
Active biochar-supported iron oxides for Cr (VI) removal from groundwater: Kinetics, stability and the key role of FeO in electron-transfer mechanism
F Yang, Y Jiang, M Dai, X Hou, C Peng - Journal of Hazardous Materials, 2022 - Elsevier
Chromium (Cr), especially in forms of hexavalent chromium (Cr (VI)) remains a serious
threat to public health and environmental safety for its high toxicity. Herein, two types of iron …
threat to public health and environmental safety for its high toxicity. Herein, two types of iron …
Unraveling iron speciation on Fe-biochar with distinct arsenic removal mechanisms and depth distributions of As and Fe
Tailored manipulation of iron speciation has become a critical challenge for the further
development of Fe-biochar as an economical and eco-friendly amendment for arsenic (As) …
development of Fe-biochar as an economical and eco-friendly amendment for arsenic (As) …
Direct and indirect electron transfer routes of chromium (VI) reduction with different crystalline ferric oxyhydroxides in the presence of pyrogenic carbon
Electron transfer mediated by iron minerals is considered as a critical redox step for the
dynamics of pollutants in soil. Herein, we explored the reduction process of Cr (VI) with …
dynamics of pollutants in soil. Herein, we explored the reduction process of Cr (VI) with …
Sustainable impact of tartaric acid as electron shuttle on hierarchical iron-incorporated biochar
Metal-biochar composite is considered as a promising alternative for future carbocatalysis in
environmental decontamination. Nevertheless, unavoidable metal leaching impedes its …
environmental decontamination. Nevertheless, unavoidable metal leaching impedes its …
Modified and pristine biochars for remediation of chromium contamination in soil and aquatic systems
Chromium (Cr) contamination in soil and water poses high toxicity risks to organisms and
threatens food and water security worldwide. Biochar has emerged as a promising material …
threatens food and water security worldwide. Biochar has emerged as a promising material …
Electron donation of Fe-Mn biochar for chromium (VI) immobilization: Key roles of embedded zero-valent iron clusters within iron-manganese oxide
Z Xu, M Sun, X Xu, X Cao, JA Ippolito… - Journal of Hazardous …, 2023 - Elsevier
The dense surface passivation layer on zero-valent iron (ZVI) restricts its efficiency for water
decontamination, causing a poor economy and waste of resources. Herein, we found that …
decontamination, causing a poor economy and waste of resources. Herein, we found that …
Nanoscale zero-valent iron supported by biochars produced at different temperatures: Synthesis mechanism and effect on Cr (VI) removal
L Qian, W Zhang, J Yan, L Han, Y Chen, D Ouyang… - Environmental …, 2017 - Elsevier
Biochar-supported nanoscale zero-valent iron (nZVI) produced under different temperatures
was studied to evaluate the effect of the nZVI-biochar composite on the removal of …
was studied to evaluate the effect of the nZVI-biochar composite on the removal of …
相关搜索
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