하수처리장 방류수 중 유기물 함량 지표로써 총유기탄소의 활용
TOC as a Potential Index for Organic Contents of Wastewater Treatment Plant Effluents
2
조회
0
다운로드
8
인용
0
참고문헌
키워드
초록
In this study, continuous chemical oxygen demand (CODMn) and total organic carbon (TOC) analyzers were side-by-side installed at the discharges of two different wastewater treatment plants (i.e., WWTP A and WWTP B), and operated for more than 2 months to compare their measurements. Both WWTPs A and B are receiving domestic wastewater. In general, the measurement results obtained by the COD and TOC analyzers did not show a good correlation at both sites; R2 of 0.048 for WWTP A and R2 of 0.4 for WWTP. The low R2s were attributed to the narrow ranges of data obtained by the analyzers. Therefore, the ratios between TOC and COD were calculated with the data obtained during the first 2 weeks data and were multiplied to the TOC data to predict COD values obtained for the rest of the testing days. In fact, the COD obtained by the COD analyzer and the one obtained by the prediction with the TOC analyzer matched well. They did not show statistically significant difference with the confidence level of 95%. From the result, it was concluded that TOC analyzers can be utilized as an index for organic contents of effluent from WWTPs.
Abstract
In this study, continuous chemical oxygen demand (CODMn) and total organic carbon (TOC) analyzers were side-by-side installed at the discharges of two different wastewater treatment plants (i.e., WWTP A and WWTP B), and operated for more than 2 months to compare their measurements. Both WWTPs A and B are receiving domestic wastewater. In general, the measurement results obtained by the COD and TOC analyzers did not show a good correlation at both sites; R2 of 0.048 for WWTP A and R2 of 0.4 for WWTP. The low R2s were attributed to the narrow ranges of data obtained by the analyzers. Therefore, the ratios between TOC and COD were calculated with the data obtained during the first 2 weeks data and were multiplied to the TOC data to predict COD values obtained for the rest of the testing days. In fact, the COD obtained by the COD analyzer and the one obtained by the prediction with the TOC analyzer matched well. They did not show statistically significant difference with the confidence level of 95%. From the result, it was concluded that TOC analyzers can be utilized as an index for organic contents of effluent from WWTPs.
참고문헌 (11)
- 유기오염물 지표전환에 관한 연구- CODMn, CODCr, TOC의 장단점 비교분석, "국립환경과학원", 환경부, ~ (2001)
- 폐수배출업소 오염물질 자동감시시스템 구축방안 수립을 위한 연구, "환경관리공단", ~ (2005)
- 변주대, "총유기탄소 분석의 산화방법 비교", 한국환경분석학회지, 12(3), pp.172~176 (2009), 한국환경분석학회
- 이충열, "수질자동측정시스템에서 온라인 TOC 자동측정장치의 불확도 산출", 한국하천호수학회지, 40(2), pp.193~200 (2007), 한국하천호수학회
- 이석기, "수질자동측정 시스템에서 온라인 TOC 모니터링에 관한 연구", 한국환경분석학회지, 9(4), pp.235~242 (2006), 한국환경분석학회
- 김재구, "한강수계 주요하천과 호수내 TOC와 DOC분포 및 BOD와 COD의 산화율 비교", 한국물환경학회지, 23(1), pp.72~80 (2007), 한국물환경학회
- 류재홍, "미호천의 물 환경 탐구 - TOC를 중심으로 한 수질모니터링 -", 한국물환경학회지, 23(5), pp.731~739 (2007), 한국물환경학회
- R. W. Matthews, "Photocatalytic oxidation of organic contaminants in water: An aid to environmental preservation", Pure & App. Chem., 64(9), pp.1285~1290 (1992)
- APHA, "Standard methods for the Examination of Water and Wastewater" (2005)
- Total organic carbon analyzers as tools for measuring carbonaceous matter in natural water, "Edward todd Urbansky", ~ (2000)
- Standard method, "ASTM", ~ (2002)