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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
- 2020.6
- 수록면
- 324 - 334 (13page)
이용수
초록· 키워드
오류제보하기
Tannery wastewater is known to contain high concentrations of organic compounds, pathogens, and other toxic inorganic elements such as heavy metals, nitrogen, sulfur, etc. Biological methods such as aerobic and anaerobic processes are unsuitable for tannery wastewater treatment due to its high salinity, and electrochemical oxidation offers a promising method to solve this problem. In this study, raw tannery wastewater treatment using DSA® Ti/RuO₂, Ti/IrO₂ and Ti/BDD electrodes with continuous flow systems was examined. Effects of current densities and electrolysis times were investigated, to evaluate the process performance and energy consumption. The results showed that a Ti/BDD electrode is able to reach higher treatment efficiency than Ti/IrO₂, and Ti/RuO₂ electrodes across all parameters, excluding Total Nitrogen. The main mechanism of tannery wastewater oxidation at a Ti/BDD electrode is based on direct oxidation on the electrode surface combined with the generation of oxidants such as °OH and Cl₂, while at DSA® Ti/RuO₂ and Ti/IrO₂ electrodes, the oxidation mechanisms are based on the generation of chlorine. After treatment, the effluents can be discharged to the environment after 6-12 h of electrolysis. Electrooxidation thus offers a promising method for removing the nutrients and non-biodegradable organic compounds in tannery wastewater.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (46)
참고문헌 신청
Dinh HT. Light manufacturing in Vietnam: Creating jobs and prosperity in a middle-income economy. Washington D.C.: The World Bank; 2013. p. 1-89.
Lofrano G, Meric S, Zengin G, Orhon D. Chemical and biological treatment technologies for leather tannery chemicals and wastewaters: A review. Sci. Total Environ. 2013;461:265-281.
Deghles A, Kurt U. Treatment of raw tannery wastewater by electrocoagulation technique: Optimization of effective parameters using Taguchi method. Desal. Water Treat. 2016;57: 14798-14809.
Benhadji A, Ahmed MT, Maachi R. Electrocoagulation and effect of cathode materials on the removal of pollutants from tannery wastewater of Rouiba. Desalination 2011;277:128-134.
Song Z, Williams C, Edyvean R. Treatment of tannery wastewater by chemical coagulation. Desalination 2004;164:249-259.
Lofrano G, Meric S, Zengin G, Orhon D. Chemical and biological treatment technologies for leather tannery chemicals and wastewaters: A review. Sci. Total Environ. 2013;461:265-281.
Deghles A, Kurt U. Treatment of raw tannery wastewater by electrocoagulation technique: Optimization of effective parameters using Taguchi method. Desal. Water Treat. 2016;57: 14798-14809.
Benhadji A, Ahmed MT, Maachi R. Electrocoagulation and effect of cathode materials on the removal of pollutants from tannery wastewater of Rouiba. Desalination 2011;277:128-134.
Song Z, Williams C, Edyvean R. Treatment of tannery wastewater by chemical coagulation. Desalination 2004;164:249-259.
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