Nuclear Engineering and Technology

  • 제54권12호
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  • Pages.4441-4448
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  • 2022
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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Electrochemical oxidation of sodium dodecylbenzenesulfonate in Pt anodes with Y2O3 particles

  • Jung-Hoon Choi (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute) ;
  • Byeonggwan Lee (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute) ;
  • Ki-Rak Lee (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute) ;
  • Hyun Woo Kang (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute) ;
  • Hyeon Jin Eom (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute) ;
  • Seong-Sik Shin (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute) ;
  • Ga-Yeong Kim (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute) ;
  • Geun-Il Park (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute) ;
  • Hwan-Seo Park (Radioactive Waste Treatment Research Team, Korea Atomic Energy Research Institute)
  • 투고 : 2022.02.22
  • 심사 : 2022.08.09
  • 발행 : 2022.12.25
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초록

The electrochemical oxidation process has been widely studied in the field of wastewater treatment for the decomposition of organic materials through oxidation using ·OH generated on the anode. Pt anode electrodes with high durability and long-term operability have a low oxygen evolution potential, making them unsuitable for electrochemical oxidation processes. Therefore, to apply Pt electrodes that are suitable for long-term operation and large-scale processes, it is necessary to develop a new method for improving the decomposition rate of organic materials. This study introduces a method to improve the decomposition rate of organic materials when using a Pt anode electrode in the electrochemical oxidation process for the treatment of organic decontamination liquid waste. Electrochemical decomposition tests were performed using sodium dodecylbenzenesulfonate (SDBS) as a representative organic material and a Pt mesh as the anode electrode. Y2O3 particles were introduced into the electrolytic cell to improve the decomposition rate. The decomposition rate significantly improved from 21% to 99%, and the current efficiency also improved. These results can be applied to the electrochemical oxidation process without additional system modification to enhance the decomposition rate and current efficiency.

키워드

과제정보

This work was supported by a Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korean government (MOTIE) (20201520300130, Development of Treatment Process of Organic Decontamination Liquid Wastes from Decommissioning of Nuclear Power Plants).

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