지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수7
목 차List of Tables 7List of Figures 8I. 서론 11II. 문헌연구 132.1. 생물막 (Biofilm) 132.1.1. 생물막 형성 기작 152.2. EPS의 구성과 기능 182.3. 생물막 형성 인자 182.3.1. 영양물질 182.3.2. 수온 192.3.3. 관 재질 192.3.4. 소독제 222.4. 생물막 구성 미생물 232.4.1. 세균류 232.4.2. 기회성 병원균 232.4.3. 소독제 저항성 세균 23III. 실험재료 및 방법 243.1. 대상시료 243.2. 실험 및 분석방법 243.2.1. 실험 재료 243.2.2. 실험 방법 253.2.3. 수질 분석 263.2.4. 생물막 분석 29IV. 결과 및 고찰 324.1. 수돗물 내 시료와 생물막의 HPC 분석결과 324.1.1. 생물막의 종속영양세균 분석 324.1.2. 생물막의 효소학적 생물막 활성도 분석 374.1.3. 생물막 형성으로 인한 수돗물 시료의 TOC 변화 434.1.4. 생물막 형성으로 인한 암모니아성 질소 농도와 인 농도 분석 49V. 결론 54VI. 참고문헌 56Abstract 63List of TablesTable 2.1. Bacteria found in drinking water distribution networks 14Table 2.2. Status of drain pipe buried in 2015 21Table 3.1. Characteristics of drinking water sample 25Table 3.2. Carbon/Nitrogen ratio 26Table 3.3. Analytical items and determination methods 27Table 4.1. % of ammonia-nitrogen consumed during the experiment 51List of FiguresFigure 2.1. Formation of biofilm on pipe surface 16Figure 3.1. Size of PVC pipe used as coupon 23Figure 3.2. Laboratory TOC Analyzer 28Figure 3.3. Spread plate count method 30Figure 3.4. Detection of extracellular enzyme activity using 31Figure 4.1. Changes in the heterotrophic plate counts (HPC) of the biofilm samples formed at the C/N ratio of 100:5 33Figure 4.2. Changes in the heterotrophic plate counts (HPC) of the biofilm samples formed at the C/N ratio of 100:10 34Figure 4.3. Changes in the heterotrophic plate counts (HPC) of the biofilm samples formed at the C/N ratio of 100:20 35Figure 4.4. Changes in the heterotrophic plate counts (HPC) of the biofilm samples formed at the C/N ratio of 100:30 36Figure 4.5. Changes in the heterotrophic plate counts (HPC) of the biofilm samples formed at the C/N ratio of 100:40 36Figure 4.6. Changes in the extracellular enzyme activity (EEA) of the biofilm formed at the C/N ratio of 100:5 37Figure 4.7. Changes in the extracellular enzyme activity (EEA) of the biofilm formed at the C/N ratio of 100:10 38Figure 4.8. Changes in the extracellular enzyme activity (EEA) of the biofilm formed at the C/N ratio of 100:20 38Figure 4.9. Changes in the extracellular enzyme activity (EEA) of the biofilm formed at the C/N ratio of 100:30 39Figure 4.10. Changes in the extracellular enzyme activity (EEA) of the biofilm formed at the C/N ratio of 100:40 39Figure 4.11. Correlation between HPC and EEA at C/N ratio of 100:5 40Figure 4.12. Correlation between HPC and EEA at C/N ratio of 100:10 40Figure 4.13. Correlation between HPC and EEA at C/N ratio of 100:20 41Figure 4.14. Correlation between HPC and EEA at C/N ratio of 100:30 41Figure 4.15. Correlation between HPC and EEA at C/N ratio of 100:40 42Figure 4.16. The Concentration of TOC consumed in biofilm at the C/N ratio of 100:5 43Figure 4.17. The Concentration of TOC consumed in biofilm at the C/N ratio of 100:10 44Figure 4.18. The Concentration of TOC consumed in biofilm at the C/N ratio of 100:20 44Figure 4.19. The Concentration of TOC consumed in biofilm at the C/N ratio of 100:30 45Figure 4.20. The Concentration of TOC consumed in biofilm at the C/N ratio of 100:40 45Figure 4.21. Rate of TOC consumption during the experiment at the C/N ratio of 100:5 46Figure 4.22. Rate of TOC consumption during the experiment at the C/N ratio of 100:10 47Figure 4.23. Rate of TOC consumption during the experiment at the C/N ratio of 100:20 47Figure 4.24 Rate of TOC consumption during the experiment at the C/N ratio of 100:30 48Figure 4.25. Rate of TOC consumption during the experiment at the C/N ratio of 100:40 48Figure 4.26. The Concentration of phosphate in drinking water 50Figure 4.27. The Concentration of ammonia nitrogen consumed in biofilm samples 51Figure 4.28. Rate of TOC consumption during the experiment at the C/N ratio of 100:5 52Figure 4.29. Rate of TOC consumption during the experiment at the C/N ratio of 100:10 52Figure 4.30. Rate of TOC consumption during the experiment at the C/N ratio of 100:20 53Figure 4.31. Rate of TOC consumption during the experiment at the C/N ratio of 100:30 53Figure 4.32. Rate of TOC consumption during the experiment at the C/N ratio of 100:40 54
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