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논문 상세정보

유전체 장벽 방전 플라즈마 방전수의 특성과 미생물 소독에 관한 연구

A Study on the Microorganism Disinfection and Characteristics of Discharged Water of Dielectric Barrier Discharge Plasma Systems


Objectives: This experiment was carried out to elucidate the effect of discharged water on the disinfection of $Phytophthora$ $capsici$ and evaluate the water characteristics. Methods: The dielectric barrier discharges (DBD) plasma reactor system used in this study consisted of a plasma component [discharge, ground electrode and quartz dielectric tube], high voltage source, and air supply. The effects of water characteristics such as pH, ORP and conductivity and the disinfection effect of discharged water were investigated. Results: Experimental results showed that in the process of discharge, the pH decreased, whereas ORP and electric conductivity increased. When the discharge time was 30 min, $Phytophthora$ $capsici$ of 2.94 log was disinfected within 300 seconds. Disinfection performance of stored discharged water was maintained for three days; however the disinfection effect vanished after five days. When $Phytophthora$ $capsici$ was injected into the discharged water, the disinfection effect decreased after two days. Conclusions: It is considered that the main disinfection parameters of the discharged water were chemically active species such as $H_2O_2$ and $O_3$ and high ORP.

참고문헌 (13)

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이 논문을 인용한 문헌 (2)

  1. Kim, Dong-Seog ; Park, Young-Seek 2013. "E. coli Disinfection Using a Multi Plasma Reactor" 韓國環境保健學會誌 = Journal of environmental health sciences, 39(2): 187~195 
  2. Kim, Dong-Seog ; Park, Young-Seek 2013. "Inactivation of Microorganisms in Sewage Using a Pilot Plasma Reactor" 韓國環境保健學會誌 = Journal of environmental health sciences, 39(3): 289~299 

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