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Efficient electrochemical reduction of nitrate to nitrogen using Ti/IrO2–Pt anode and different cathodes
Abstract
Abstract Electrochemical reduction of nitrate using Fe, Cu, and Ti as cathodes and Ti/IrO2–Pt as anode in an undivided and unbuffered cell was studied. In the presence of appropriate amount of NaCl, both cathodic reduction of nitrate and anodic oxidation of the by-products of ammonia and nitrite were achieved by all cathodes under a proper condition. Both in the absence and presence of NaCl, the order of nitrate removal rate was Fe > Cu > Ti. The nitrate removal was 87% and selectivity to nitrogen was 100% in 3 h with Fe cathode in the presence of NaCl. Ti/IrO2–Pt anode played an important role during nitrate reduction, especially in the presence of NaCl, at which by-products could efficiently be oxidized. Moreover, atomic force microscopy (AFM) investigation shown Ti/IrO2–Pt anode was suitable for nitration reduction and the surface roughness of all cathodes increased. The concentrations of Fe, Cu, and Ti in the electrolyte were less than 0.15, 0.12 and 0.09 mg/L after 3 h electrolysis, respectively.
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Cited by
Electrocatalytic reduction of nitrate – a step towards a sustainable nitrogen cycle
Xu, H., Ma, Y., Chen, J., Zhang, W.-X., & Yang, J. (2022) · Chemical Society Reviews · doi:10.1039/d1cs00857a · Cited by 1,160
Powering denitrification: the perspectives of electrocatalytic nitrate reduction
Duca, M., & Koper, M. T. M. (2012) · Energy & Environmental Science · doi:10.1039/c2ee23062c · Cited by 699
Harnisch, F., & Schröder, U. (2010) · Chemical Society Reviews · doi:10.1039/c003068f · Cited by 388
Electrochemical technologies for wastewater treatment and resource reclamation
Feng, Y., Yang, L., Liu, J., & Logan, B. E. (2016) · Environmental Science: Water Research & Technology · doi:10.1039/c5ew00289c · Cited by 371
Electrochemical nitrate reduction by using a novel Co 3 O 4 /Ti cathode
Su, L., Li, K., Zhang, H., Fan, M., Ying, D., Sun, T., Wang, Y., & Jia, J. (2017) · Water Research · doi:10.1016/j.watres.2017.04.069 · Cited by 312
Metadata
- Authors
- Li, M., Feng, C., Zhang, Z., & Sugiura, N.
- Venue
- Electrochimica Acta
- Publisher
- Elsevier BV
- Published
- 2009-08
- Volume
- 54
- Issue
- 20
- Pages
- 4600-4606
- ISSN
- 0013-4686 (ISSN-L)
- OpenAlex
- W2167932070
- Cited by
- 254
- References
- 0
- FWCI
- 4.21
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, M., Feng, C., Zhang, Z., & Sugiura, N. (2009). Efficient electrochemical reduction of nitrate to nitrogen using Ti/IrO2–Pt anode and different cathodes. Electrochimica Acta. https://doi.org/10.1016/j.electacta.2009.03.064
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
