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논문 기본 정보

자료유형
학술저널
저자정보
장성호 (부산대학교) 김고은 (부산대학교 바이오환경에너지학과) 이재용 (경운대학교) 신현무 (경성대학교 환경공학과) 홍순헌 (부산대학교 토목공학과) 송영채 (한국해양대학교 환경공학과)
저널정보
한국수처리학회 한국수처리학회지 한국수처리학회지 제24권 제5호
발행연도
2016.1
수록면
41 - 48 (8page)

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In modern society, metalworking process is essential to the machinery industry. What is called, cutting fluids has been used in this process and contain a lot of chemical substances, which include high concentration of organics, ammonia nitrogen. Accordingly, the advanced treatment is required for cutting fluids. Recently, electrochemical treatment is expected to be an alternative of conventional processes, and be useful on various wastewater treatments. Moreover it is an efficient elimination technique of contaminants and has a simple composition equipment. In this study, the correlation on operating time, applied voltage, concentration of NaCl and the removal efficiency of ammonia nitrogen in cutting fluids is investigated using electrochemical treatment in a batch type. Under the condition without NaCl, when the voltage was adjusted to 5V, 10V and 15V at 60min, removal efficiency of ammonia nitrogen was 35.2%, 75.0% and 84.5% for 60min of operating time, respectively. The effect of NaCl concentration on the ammonia nitrogen removal efficiency is as follows. With comparison between with and without NaCl, removal efficiency at addition of 10mM of NaCl were 9.9%, 12.6% higher than that of no addition for 60min at 5V and 10V. At 15V, removal efficiency was 11.5% higher than that of no addition for 30min. The results showed that the removal efficiency increased with increasing the applied voltage and NaCl concentration.

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