Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Fabrication of Flow Cell Using Carbon Fiber and Electrochemical Decomposition Characteristics for Organic Dyes

탄소섬유전극을 이용한 흐름형 전기분해조 제작 및 유기염료의 전기화학적 분해 연구

  • Park, Deog-Su (Instititute of BioPhysio Sensor Technology, Pusan National University)
  • 박덕수 (부산대학교 바이오피지오센서연구소)
  • Received : 2012.08.13
  • Accepted : 2012.10.25
  • Published : 2012.11.30
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Abstract

The simulated dyes solution containing Basic Red 46(BR 46), Yellow 21(Y 21), and Maxilon Blue 30(MB 30) were electrochemically oxidized using carbon fiber as an anode. The electrolyses were performed in a electrolytic flow cell constructed by Vycor glass tube. The carbon fiber was positioned in the inside of Vycor glass tube and platinum wire coiled around outside of tube as a cathode. Several operating variables, such as current, time, pH and flow rate of solution were studied. Increasing current density would lead to a corresponding increase in the dye removal efficiency 99.2 % at a 200 mA. The electrolyses time could also improve and removal efficiency was about 99 % after 1.5 hours of electrolyses. The removal efficiency was increased with the increase of flow rate of solution and optimum flow rate was 5 mL/min. THe pHs of solution affect the removal efficiency. The removal efficiency was decreased with the increase of pH of solution and optimum pH was 5.05 (0.1 M $KNO_3$).

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References

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