ArticleEnvironmental science and pollution research international2016
Simultaneous arsenite oxidation and nitrate reduction at the electrodes of bioelectrochemical systems.
Article in Environmental science and pollution research international, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 34 citations in OpenAlex.
- Potential Self-Attenuation of Arsenic by Indigenous Microorganisms in the Nakdong River.Microorganisms · 2023Article
- Electrified bioreactors: the next power-up for biometallurgical wastewater treatment.Microbial biotechnology · 2022Review
- Arsenic adsorbent derived from the ferromanganese slag.Environmental science and pollution research international · 2021Article
- Microbial Communities of Orange Tubercles in Accelerated Low-Water Corrosion.Applied and environmental microbiology · 2020Article
- Opportunities for groundwater microbial electro-remediation.Microbial biotechnology · 2018Review
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arsenic and nitrate contaminations in the soil and groundwater have urged the scientific community to explore suitable technologies for treatment of both contaminants. This study reports, for the first time, a novel application of bioelectrochemical systems for coupling As detoxification at the anode and denitrification at the cathode. A similar As(III) oxidation efficiency was achieved when anode potential was controlled by a potentiostat or a direct current (DC) power supply. However, a slightly lower nitrate reduction rate was obtained in reactors using DC power supply during simultaneous operation of nitrate reduction and As(III) oxidation. Microbial community analysis by denaturing gradient gel electrophoresis indicated the presence of some autotrophic As(III)-oxidizing bacteria, including Achromobacter spp., Ensifer spp., and Sinorhizobium spp., that can flexibly switch their original metabolism of using oxygen as sole electron acceptor to a new metabolism mode of using solid-state anode as sole electron acceptor driving for As(III) oxidation under anaerobic conditions. Although further research is required for validating their applicability, bioelectrochemical systems represent a brilliant technology for remediation of groundwater contaminated with nitrate and/or arsenite.
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Registered trials
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