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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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High-voltage dielectric discharges are an emerging technique in environmental pollutant degradation, which are characterized by the production of hydroxyl radicals as the primary degradation species. The initiation and propagation of the electrical discharges depends on several physical, chemical, and electrical parameters such as 1st and 2nd voltage of power, gas supply, conductivity and pH. These parameters also influence the physical and chemical characteristics of the discharges, including the production of reactive species such as OH, $H_2O_2$ and $O_3$. The experimental results showed that the optimum 1st voltage and oxygen flow rate for RNO (N-Dimethyl-4-nitrosoaniline, indicator of the generation of OH radical) degradation were 160 V (2nd voltage of is 15 kV) and 4 L/min, respectively. As the 2nd voltage (4 kV to 15 kV) was increase, RNO degradation was increased and, generated $H_2O_2$ and $O_3$ concentration were increased. The conductivity of the solution was not influencing the RNO degradation, $H_2O_2$ and $O_3$ generation. The pH effect on RNO degradation was not high. However, the lower pH and the conductivity, the higher $H_2O_2$ and $O_3$ generation were observed.
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참고문헌 (28)
참고문헌 신청
Chen, Y. S. / 2004 / Pulsed High-voltage Discharge Plasma for Degradation of Phenol in Aqueous Solution / Separation and Purification Technology 34:5~12
Dendy, R. O. / 1990 / Plasma Dynamics / Oxford University Press :1~20
정재우 / 2007 / 기체-액체 혼합 방전에 의한 화학적 활성종 생성 특성 / 대한환경공학회지 29(5):556~563
김동석 / 2007 / 불용성 전극을 이용한 Rhodamine B의 전기화학적 탈색 / 한국물환경학회지 23(3):377~384
Kim, D. S. / 2008 / Comparison Study of Dyestuff Wastewater Treatment by the Coupled Photocatalytic Oxidation and Biofilm Process / Chemical Engineering Journal 139:256~263
Dendy, R. O. / 1990 / Plasma Dynamics / Oxford University Press :1~20
정재우 / 2007 / 기체-액체 혼합 방전에 의한 화학적 활성종 생성 특성 / 대한환경공학회지 29(5):556~563
김동석 / 2007 / 불용성 전극을 이용한 Rhodamine B의 전기화학적 탈색 / 한국물환경학회지 23(3):377~384
Kim, D. S. / 2008 / Comparison Study of Dyestuff Wastewater Treatment by the Coupled Photocatalytic Oxidation and Biofilm Process / Chemical Engineering Journal 139:256~263
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