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Cited by 209Minerals Flotation and Separation TechniquesElectrocatalysts for Energy ConversionAdvanced oxidation water treatment

The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.

Novel Electrode System for Electroflotation of Wastewater

Chen, Xueming, Chen, Guohua, Yue, Po Lock·2002·Environmental Science & Technology
DOI 10.1021/es011003u
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Abstract

Electroflotation (EF) is an attractive method in wastewater treatment. The heart of EF is the dimensionally stable oxygen evolution anode that is usually expensive. In this paper, we present a stable anode by coating IrOx-Sb2O5-SnO2 onto titanium. Accelerated life test showed that the electrochemical stability of the Ti/IrOx-Sb2O5-SnO2 anode containing only 2.5 mol % of IrOx nominally in the activated coating was even higher than that of the conventional Ti/IrOx anode. Its service life for electroflotation application is predicted to be about 20 yr. Voltammetric investigation demonstrated that the Ti/IrOx-Sb2O5-SnO2 anode could provide fast electron transfer. Moreover, the present anode was designed to be fork-like and arranged interlockingly at the same level as the cathode with a similar shape. Such an innovation in electrode configuration and arrangement allows bubbles produced at both electrodes to be dispersed into wastewater flow quickly and, therefore, enhances the effective contact between bubbles and particles, favorable for high flotation efficiency. In addition, the novel electrode system reduces the interelectrode gap to 2 mm, a spacing that is technically difficult for a conventional electrode system. This small gap results in a significant energy saving. Easy maintenance is found to be another advantage of this novel electrode system.

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26 of 26 references verified0 citation errors · 0 not checkable

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Citations

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Research works printed but not linked: 17

  1. Chen W., 1998, J. Environ. Technol., 19, 182
  2. Huang C. J., 1999, Water Res., 33, 3412
  3. Ho C. C., 1986, Water Res., 20, 1527
  4. Balmer L. M., 1986, Filtr., 23, 369
  5. Poon C. P. C., 1997, J. Hazard. Mater., 55, 170
  6. Chen G. H., 2000, J. Environ. Eng., ASCE, 126, 863
  7. Il'in V. I., 1999, Chem. Pet. Eng., 35, 481
  8. Elmore F. E., 1905, British Patent 13,578
  9. Beer H. B. U.S., 1972, Patent 3,632,498
  10. Alves V. A., 1998, Mater. Sci. Forum, 289, 666
  11. Comninellis, 1991, J. Appl. Electrochem., 21, 345
  12. Chen X. M., 2001, J. Phys. Chem. B, 105, 4628
  13. Chen G. H., J. Phys. Chem. B, Submitted for publication.
  14. Qiu H. H., 2001, Eng
  15. Malkin I., Proceedings of the International Precious Metals Institute Confrence, 6th Meeting; 1982;, 226
  16. Correa-Lozano B., 1996, J. Appl. Electrochem., 26, 688
  17. Yue P. L., 1999, Final Report on Development of an Approach of the Determination of Waste Oils

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Metadata

Authors
Chen, X., Chen, G., & Yue, P. L.
Affiliations
Hong Kong University of Science and Technology (HK)
ORCID
Chen, Guohua
Venue
Environmental Science & Technology
Publisher
American Chemical Society (ACS)
Published
2002-01-17
Volume
36
Issue
4
Pages
778-783
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
DOI
10.1021/es011003u
OpenAlex
W1968666510
Cited by
206
References
26
Citations by year
2026: 3 · 2025: 4 · 2024: 11 · 2023: 12 · 2022: 9 · 2021: 14 · 2020: 7 · 2019: 12 · 2018: 10 · 2017: 5 · 2016: 13 · 2015: 9 · 2014: 13 · 2013: 11 · 2012: 6
FWCI
7.09
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science & Technology (publishedVersion)
  • PubMed (publishedVersion)
  • Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
Topics
  • Physical Sciences › Chemical Engineering › Filtration and Separation › Minerals Flotation and Separation Techniques
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
Keywords
electroflotation, wastewater treatment, titanium anode, electrochemical stability, anode service life, electron transfer, electrode configuration, bubble dispersion, flotation efficiency, energy conservation, electrode gap
MeSH terms
Coloring Agents, Electrochemistry, Electrodes, Equipment Design, Titanium, Waste Disposal, Fluid, Water Movements, Water Pollutants, Water Purification

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