ArticleEnvironmental science and pollution research international2016
Bioelectrochemical denitrification on biocathode buried in simulated aquifer saturated with nitrate-contaminated groundwater.
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 8 papers.
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Who cites it
8 citing papers in PubMed, 39 citations in OpenAlex.
- Performance and microbial community analysis on nitrate removal in a bioelectrochemical reactor.PloS one · 2023Article
- Electrochemical enrichment of haloalkaliphilic nitrate-reducing microbial biofilm at the cathode of bioelectrochemical systems.iScience · 2021Article
- Microbial fuel cell system: a promising technology for pollutant removal and environmental remediation.Environmental science and pollution research international · 2020Review
- Simulation tests ofHeliyon · 2019Article
- Effect of alternating electrical current on denitrifying bacteria in a microbial electrochemical system: biofilm viability and ATP assessment.Environmental science and pollution research international · 2018Article
- Opportunities for groundwater microbial electro-remediation.Microbial biotechnology · 2018Review
- The bioelectric well: a novel approach for in situ treatment of hydrocarbon-contaminated groundwater.Microbial biotechnology · 2018Article
- Simultaneous arsenite oxidation and nitrate reduction at the electrodes of bioelectrochemical systems.Environmental science and pollution research international · 2016Article
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
Nitrate contamination in aquifers has posed human health under high risk because people still rely on groundwater withdrawn from aquifers as drinking water and running water sources. These days, bioelectrochemical technologies have shown a great number of benefits for nitrate remediation via autotrophic denitrification in groundwater. This study tested the working possibility of a denitrifying biocathode when installed into a simulated aquifer. The reactors were filled with sand and synthetic groundwater at various ratios (10, 50, and 100 %) to clarify the effect of various biocathode states (not-buried, half-buried, and fully buried) on nitrate reduction rate and microbial communities. Decreases in specific nitrate reduction rates were found to be correlated with increases in sand/medium ratios. A specific nitrate reduction rate of 322.6 mg m(-2) day(-1) was obtained when the biocathode was fully buried in an aquifer. Microbial community analysis revealed slight differences in the microbial communities of biocathodes at various sand/medium ratios. Various coccus- and rod-shaped bacteria were found to contribute to bioelectrochemical denitrification including Thiobacillus spp. and Paracoccus spp. This study demonstrated that the denitrifying biocathode could work effectively in a saturated aquifer and confirmed the feasibility of in situ application of microbial electrochemical denitrification technology.
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Registered trials
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