연구논문 : 산업폐수에서 불소함유가 미생물활성도 및 기질제거에 미치는 영향에 관한 연구
분야
공학 > 환경공학
저자
최정수 ( Jung Su Choi ) , 주현종 ( Hyun Jong Joo ) , 진오석 ( Oh Suk Jin )
발행기관
한국물환경학회(구 한국수질보전학회)
간행물정보
한국물환경학회지 2012년, 제28권 제5호, 717~722쪽(총6쪽)
파일형식
07709803.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Fluoride can be easily found in semiconductor and display industry. However, there is a lack of research for its effects on the related wastewater treatment. The objective of this study is to evaluate the microbial inhibitory effect by fluoride injection. The research entailed the assessment of removal efficiency of TCOD(Cr) according to the fluoride concentration and also the Specific Oxygen Uptake Rate (SOUR) was measured. The laboratory scale reactor was prepared and operated with the fluoride concentrations of 0, 10, 50, 100, and 200 mg/L based on concentrations frequently occurring in the wastewater. The results from this study showed that, as the fluoride concentration increase, the Specific Substrate Utilization Rate (SSUR) tend to decrease as expected. Also, the increase in fluoride concentrations resulted in the decrease in SOUR. It is determined that fluoride injection affects the microbial activity. Especially, The addition of above 200 mg/L fluoride into reactor caused rapidly decreased SSUR and SOUR due to the inhibitory effects of fluoride.
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