상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제30권6호
  • /
  • Pages.691-698
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  • 2016
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  • 1225-7672(pISSN)
  • /
  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
권호 표지
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양극산화 공정을 이용한 Iron Oxide Nanotubes의 제조 및 수중 인 흡착

Fabrication of Iron Oxide Nanotubes by Anodization for Phosphorus Adsorption in Water

  • 이원희 (한양대학교 건설환경공학과) ;
  • 임한수 (티오이십일 화학안전팀) ;
  • 김종오 (한양대학교 건설환경공학과)
  • Lee, Won-Hee (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Lim, Han-Su (Chemical safety management team, TO21 Co. Ltd.) ;
  • Kim, Jong-Oh (Department of Civil and Environmental Engineering, Hanyang University)
  • 투고 : 2016.08.17
  • 심사 : 2016.11.14
  • 발행 : 2016.12.23
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초록

This study was carried out to investigate the characterization of iron oxide nanotubes (INTs) by anodization method and applied adsorption isotherms and kinetic models for phosphate adsorption. SEM analysis was conducted to examine the INTs surface formation. Further XRD and XPS analysis were performed to observe the crystal structure of INTs before and after phosphate adsorption. AFM analysis was conducted to determine of Fe foil surface before and after anodization. Phosphate stock solution for adsorption experiment was prepared by $KH_2PO_4$. The batch experiment was conducted using 20 ml phosphate stock solution and $40cm^3$ of INTs in 50 ml conical tube. Adsorption isotherms were applied Langmuir and Freundlich models for adsorption equilibrium test of INTs. Pseudo first order and pseudo second order models were applied for interpretation of adsorption rate by reaction time. The determination coefficient ($R^2$) values of Langmuir and Freundlich models were 0.9157 and 0.8876 respectively.

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참고문헌

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피인용 문헌

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