Feb, 28, 2025

Vol.58 No.1

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  • The Korean Society of Surface Science and Engineering
  • Volume 58(1); 2025
  • Article

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The Korean Society of Surface Science and Engineering 2025;58(1):26-32. Published online: Mar, 5, 2025

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DOI : 10.5695/JSSE.2025.58.1.26

Oil component removal performance of boron-doped diamond electrode prepared by hot-filament chemical vapor deposition method

  • Mi Young Youa, Seo Han Kima,c, Pung Keun Songb*
    aThe Institute of Materials Technology, Pusan National University, Busan 46241, Korea bDepartment of Materials Science and Engineering, Pusan National University, Busan 46241, Korea cDepartment of Materials Science and Engineering, The Ångström Laboratory, Uppsala University, P. O. Box 35, SE-75103, Uppsala, Sweden
초록

The sewage and wastewater treatment market is evolving from organic material removal to advanced treatment and reuse, including toxic management and non-degradable treatment systems. Consequently, the importance of insoluble electrode technology for oxidant generation, which primarily degrades hazardous materials, is increasing. In this study, we propose boron-doped diamond (BDD) as an electrode material for an oil component removal system. BDD electrodes were prepared with various methane (CH4) and trimethyl borane (TMB) flow ratios using hot-filament chemical vapor deposition (HF-CVD) system. All samples exhibited a preferential (111) peak growth; however, there was no significant difference in crystallinity concerning different boron concentration. In cyclic voltammetry analysis, all samples had a potential window of 2.6 V, but the current increased as a function of boron concentration; BDD with 47,000 ppm exhibited 1.3 times higher current than BDD with 6,700 ppm. As a result, the BDD 47,000 ppm sample, which generated an extremely high concentration of oxidants, showed the best performance in the oil residue component removal test.

키워드 HF-CVD; Boron-doped diamond; Insoluble electrode; Oil components removal