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This study was conducted to evaluate the treatment of copper in wastewater by using electrocoagulation. Most of industrial wastewater has treated to physical and chemical methods because industrial wastewater has biologic toxic. Therefore, electrocoagulation belonging to the electrochemical method is being used in variety of industrial wastewater treatment. It shows mainly high removal efficiency of heavy metal and turbidity. In this study, it was evaluated to copper removal efficiency by pH, reaction time and current density through jar-test experiment. In case of pH, copper concentration was slightly decreased at higher than pH 4. In case of reaction time, copper removal efficiency was 91.6 % at reaction time in 4 minute and more than 98 % at reaction time in after 6 minute. In case of current density, copper removal efficiency was rapidly increased to 0.0058 A/cm2. Base on value of jar-test experiment, continuous operating of electrocoagulation experiment was applied the hydraulic retention time(HRT) 4 minute and current density 0.0167 A/cm2. pH of wastewater was not changed. Results, average copper removal efficiency was 74.7 % and maximum removal efficiency was 79.1 % while operating 110 minute.
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참고문헌 (16)
참고문헌 신청
이병천 / 2007 / 오존산화에 의해 염색폐수가 혼합된 하수의 색도 제거 및 분포특성 연구 / 대한환경공학회지 29(10):1085~1092
이상호 / 2006 / 염색폐수의 전처리 방법에 따른 활성탄 흡착 처리효율에 관한 연구 / 한국환경과학회지 15(7):659~667
한상욱 / 2009 / 음이온교환수지와 활성탄을 이용한 산업 폐수 중 셀레늄의 흡착 / 한국환경과학회지 18(12):1411~1416
Lee, C. H / 1994 / Ultrafiltration Laboratory-Scale Study to apply Desizing Wastewater Treatment / Environmental Research 14(1):1~10
Seo, H. J / 1994 / Treatment of Heavy Metals Wastewater by Batch Precipitaion-Flocculation-Membrane Filtration / Journal of Korean Society of Environmental Engineers 17(8):775~785
이상호 / 2006 / 염색폐수의 전처리 방법에 따른 활성탄 흡착 처리효율에 관한 연구 / 한국환경과학회지 15(7):659~667
한상욱 / 2009 / 음이온교환수지와 활성탄을 이용한 산업 폐수 중 셀레늄의 흡착 / 한국환경과학회지 18(12):1411~1416
Lee, C. H / 1994 / Ultrafiltration Laboratory-Scale Study to apply Desizing Wastewater Treatment / Environmental Research 14(1):1~10
Seo, H. J / 1994 / Treatment of Heavy Metals Wastewater by Batch Precipitaion-Flocculation-Membrane Filtration / Journal of Korean Society of Environmental Engineers 17(8):775~785
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