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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.8
- 수록면
- 571 - 578 (12page)
이용수
초록· 키워드
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In this work, a detailed study on the electrochemical degradation of an azo dye, Orange G is performed using a platinum electrode. Indeed, the influence of the dye concentration (50-150 mg/L), the pH of the medium and the density of the electric current is studied on the rate of discoloration, the rate of mineralization, the efficiency of the electric current and the energy consumption. The UV-visible spectra of OG plotted against the degradation time show the decrease of the intensity of the characteristic dye peaks. In an environment rich in chlorides, all peaks disappear after 15 min of degradation. However, the peaks at wavelengths of 200 and 290 nm appeared after one hour of treatment. In K₂SO₄, the eliminated percentages are respectively 46, 54 and 61% for wavelengths of 245, 330 and 480 nm. This suggests that the degradation mechanisms in K₂SO₄ and KCl environments are not the same. In the middle rich in chlorides, the eliminated percentage of OG did not seem to be affected by the concentrations increase. These results confirm the hypothesis that electrochemical oxidation process is very favorable for concentrated pollutants discharge.
목차
ABSTRACT
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References
참고문헌 (34)
참고문헌 신청
Comninellis C, Chen G. Electrochemistry for the Environment. New York: Springer; 2010.
Rao ANS, Venkatarangaiah VT. Metal oxide-coated anodes in wastewater treatment. Environ. Sci. Pollut. Res. 2014;21:3197-3217.
Can?izares P, Paz R, Sa?ez C, Rodrigo MA. Electrochemical oxidation of polyhydroxybenzenes on boron-doped diamond anodes. J. Environ. Manage. 2009;90:410-420.
Martinez-Huitle CA, Ferro S. Electrochemical oxidation of organic pollutants for the wastewater treatment: direct and indirect processes. Chem. Soc. Rev. 2006;35:1324-1340.
Sires I, Brillas E, Oturan MA, Rodrigo MA, Panizza M. Electrochemical advanced oxidation processes Today and tomorrow. A review. Environ. Sci. Pollut. Res. 2014;21:8336-8367.
Rao ANS, Venkatarangaiah VT. Metal oxide-coated anodes in wastewater treatment. Environ. Sci. Pollut. Res. 2014;21:3197-3217.
Can?izares P, Paz R, Sa?ez C, Rodrigo MA. Electrochemical oxidation of polyhydroxybenzenes on boron-doped diamond anodes. J. Environ. Manage. 2009;90:410-420.
Martinez-Huitle CA, Ferro S. Electrochemical oxidation of organic pollutants for the wastewater treatment: direct and indirect processes. Chem. Soc. Rev. 2006;35:1324-1340.
Sires I, Brillas E, Oturan MA, Rodrigo MA, Panizza M. Electrochemical advanced oxidation processes Today and tomorrow. A review. Environ. Sci. Pollut. Res. 2014;21:8336-8367.
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UCI(KEPA) : I410-ECN-0101-2020-539-000378743