조명전기설비학회논문지 (Journal of the Korean Institute of Illuminating and Electrical Installation Engineers)

한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
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고전압 임펄스를 적용한 막분리 공정에서의 생물막 오염 제어에 관한 연구

A Study on the Biofouling Control in Membrane Processes Using High Voltage Impulse

  • 이주훈 (호서대학교 환경공학과) ;
  • 김준영 (호서대학교 대학원 BK21 반도체.디스플레이공학과) ;
  • 이진우 (호서대학교 전기공학과) ;
  • 이준호 (호서대학교 환경공학과) ;
  • 장인성 (호서대학교 환경공학과)
  • 투고 : 2011.08.08
  • 심사 : 2011.09.06
  • 발행 : 2011.10.31
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초록

Although membrane technologies are widely applied to the water and wastewater treatment processes, strategy for the control of membrane biofouling is strongly required. In this study, a possibility of control of membrane biofouling using HVI(High Voltage Impulse) was verified based on the inactivation of microorganisms by the HVI. The HVI system was consisted of power supply, voltage amplifier, impulse generator and disinfection chamber and the model microorganism was E. coli. When 15[kV/cm] of electric fields was applied to the E. coli solution, inactivation of the microorganism was found. A possibility of the control of membrane biofouling using HVI was verified with experiments of membrane filtration with and without exposure of the HVI to biomass solution. Another membrane filtration experiments with the contaminated membranes by E. coli solution were carried out and indicate that the HVI could be used as an alternative method for membrane biofouling control. A series of simulation of the electric fields between electrodes and microorganisms was carried out for the visualization of the disinfection that showed where the electric fields are formed.

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참고문헌

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