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Inactivation of Ralstonia Solanacearum Using Aquatic Plasma Process
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 Title & Authors
Inactivation of Ralstonia Solanacearum Using Aquatic Plasma Process
Back, Sang-Eun; Kim, Dong-Seog; Park, Young-Seek;
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 Abstract
A dielectric barrier discharge (DBD) plasma reactor was investigated for the inactivation of Ralstonia Solanacearum which causes bacterial wilt in aquiculture. The DBD plasma reactor of this study was divided into power supply unit, gas supply unit and plasma reactor. The plasma reactor consisted of a quartz dielectric tube, discharge electrode (inner) and ground electrode (outer). The experimental results showed that the optimum 1st voltage, 2nd voltage, air flow rate and pH were for 100 V (1st voltage), 15 kV (2nd voltage), 4 L/min, and pH 3, respectively. At a low 1st voltage, shoulder and tailing off phenomena was observed. The shoulder phenomenon was decreased as the increase of 1st voltage. R. Solanacearum disinfection in the lower air flow rate was showed shoulder and tailing off phenomenon because the active species generated less. Under optimum condition, shoulder and tailing off phenomenon was reduced. When the 2nd voltage was less than 7.5 kV, tailing off phenomenon was observed and this was not vanishes even though the increase of the disinfection time. The inactivation efficiency increased as the increase of air flow rate, however, the efficiency decreased when the air flow rate was above 4 L/min. R. Solanacearum disinfection at pH 3 showed somewhat higher than in pH 11. The pH effect of R. Solanacearum deactivation is less than the impact on other factor.
 Keywords
Dielectric barrier discharge plasma;Inactivation;Ralstonia Solanacearum;Optimum operation condition;
 Language
Korean
 Cited by
1.
개선된 플라즈마 공정을 이용한 Ralstonia Solanacearum 불활성화에 관한 연구,김동석;박영식;

Journal of Environmental Science International, 2014. vol.23. 3, pp.369-378 crossref(new window)
2.
여과-Plasma 공정을 이용한 Ralstonia Solanacearum 불활성화,김동석;박영식;

Journal of Environmental Science International, 2014. vol.23. 6, pp.1165-1173 crossref(new window)
3.
플라즈마 공정을 이용한 고추역병균(Phytophthora capsici) 불활성화에 관한 연구,김동석;박영식;

Journal of Environmental Science International, 2014. vol.23. 9, pp.1601-1608 crossref(new window)
4.
플라즈마 공정을 이용한 고추역병균(Phytophthora capsici) 불활성화 모델의 적용,김동석;박영식;

Journal of Environmental Science International, 2015. vol.24. 11, pp.1393-1404 crossref(new window)
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