표제지

목차

1. 서론 11

2. 마을 하수도 현황 및 적용공법 사례 15

2.1. 마을하수도 관련법의 변천 15

2.1.1. 공공하수처리시설 17

2.1.2. 오수처리시설 18

2.1.3. 농어촌 마을하수도 정비사업 20

2.2. 하·폐수의 특징 20

2.2.1. 하·폐수의 물리적 특징 20

2.2.2. 하·폐수의 화학적 특징 22

2.2.3. 하수의 생물학적 특정 24

2.3. 오수처리시설 26

2.3.1. 표준 활성슬러지법 26

2.3.2. 장기 폭기법 26

2.3.3. 접촉 산화법 28

2.3.4. 접촉 안정법 28

2.3.5. 살수 여상법 29

2.3.6. 회전 원판법 29

2.4. 마을 하수처리시설별 적용공법 30

2.4.1. MBR(Membrane Bio Reactor) 공법 30

2.4.2. MBR 공법의 예 32

3. 실험 및 방법 41

3.1. 조사지점 및 기간 41

3.2. 시료채취 및 분석방법 41

4. 결과 및 고찰 43

4.1. 마을 하수도 수질변화현황 43

4.1.1. S 마을 하수도 43

4.2.1. J 마을 하수도 46

4.3.1. G 마을 하수도 49

4.4.1. O 마을 하수도 52

4.5.1. L 마을 하수도 55

4.6.1. B 마을 하수도 58

4.7.1. D 마을 하수도 61

4.8.1. M 마을 하수도 64

4.9.1. H 마을 하수도 67

4.10. 연구대상 마을하수도 공법별 비교 분석 70

4.10. 공법에 따른 BOD 제거율에 대한 분석 70

4.10.1. BOD 비교분석 70

4.10.2. COD 비교분석 72

4.10.3. SS 분석 74

4.10.4. T-N 분석 76

4.10.5. T-P 분석 78

4.10.6. 대장균 분석 80

4.11. 기온에 의한 처리공법별 효율 변화 분석 82

4.12. 강수량 변화에 따른 제거율 변화 85

5. 결론 87

참고문헌 89

Abstract 91

초록 93

Table 2.1.1. Statistics of the domestic sewage supply 18

Table 2.1.2. The status of city and states's sewage treatment facility('80년말) 19

Table 2.3.1. The classification of village sewage treatment 27

Table 3.2.1. Various process for the small-scale village sewage 42

Table 3.2.2. Analytical methods of various pollutants 42

Table 4.10.1. High and low BOD removal efficiencies 71

Table 4.10.2. High and low COD removal efficiencies 73

Table 4.10.3. SS removal efficiency over month 74

Table 4.10.4. High and low T-N removal efficiencies 77

Table 4.10.5. High and low T-P removal efficiencies 79

Table 4.10.6. microorganism removal efficiency over month 80

Figure 2.1.1. The process of village sewage treatment business 16

Figure 2.2.1. The system of public sewage treatment 17

Figure 2.4.1. The scheme of MBR treatment facility 31

Figure 2.4.2. The scheme of HANT treatment 34

Figure 2.4.3. The scheme of SMAS treatment 35

Figure 2.4.4. The scheme of SAMCO treatment 36

Figure 2.4.5. The scheme of C·B·T treatment process 38

Figure 2.4.6. The scheme of BSTS-II treatment 39

Figure 2.4.7. The scheme of H·B·C treatment 40

Figure 4.1. Photo view of S village sewage treatment plant 43

Figure 4.1.1. Monthly BOD, COD and SS in the S village 44

Figure 4.1.2. Monthly T-N and T-P in the S village 44

Figure 4.1.3. Monthly microorganisms in the S village 45

Figure 4.2. Photo view of J village sewage treatment plant 46

Figure 4.2.1. Monthly BOD, COD and SS in the J village 47

Figure 4.2.2. Monthly T-N and T-P in the J village 47

Figure 4.2.3. Monthly Microorganisms in the J village 48

Figure 4.3. Photo view of G village sewage treatment plant 49

Figure 4.3.1. Monthly BOD, COD and SS in the G village 50

Figure 4.3.2. Monthly T-N and T-P in the G village 50

Figure 4.3.3. Monthly microorganisms in the G village 51

Figure 4.4. Photo view of O village sewage treatment plant 52

Figure 4.4.1. Monthly BOD, COD and SS in the O village 53

Figure 4.4.2. Monthly T-N and T-P in the O village 53

Figure 4.4.3. Monthly microorganisms in the O village 54

Figure 4.5. Photo view of L village sewage treatment plant 55

Figure 4.5.1. Monthly BOD, COD and SS in the L village 56

Figure 4.5.2. Monthly T-N and T-P in the L village 56

Figure 4.5.3. Monthly microorganisms in the L village 57

Figure 4.6. Photo view of B village sewage treatment plant 58

Figure 4.6.1. Monthly BOD, COD and SS in the B village 59

Figure 4.6.2. Monthly T-N and T-P in the B village 59

Figure 4.6.3. Monthly microorganisms in the B village 60

Figure 4.7. Photo view of D village sewage treatment plant 61

Figure 4.7.1. Monthly BOD, COD and SS in the D village 62

Figure 4.7.2. Monthly T-N and T-P in the D village 62

Figure 4.7.3. Monthly microorganisms in the D village 63

Figure 4.8. Photo view of M village sewage treatment plant 64

Figure 4.8.1. Monthly BOD, COD and SS in the M village 65

Figure 4.8.2. Monthly T-N and T-P in the M village 65

Figure 4.8.3. Monthly microorganisms in the M village 66

Figure 4.9. Photo view of H village sewage treatment plant 67

Figure 4.9.1. Monthly BOD, COD and SS in the H village 68

Figure 4.9.2. Monthly T-N and T-P in the H village 68

Figure 4.9.3. Monthly microorganisms in the H village 69

Figure 4.10.1. BOD removal efficiency over month 70

Figure 4.10.2. COD removal efficiency over month 72

Figure 4.10.3. SS removal efficiency over month 74

Figure 4.10.4. T-N removal efficiency over month 76

Figure 4.10.5. T-P removal efficiencyover month 78

Figure 4.10.6. Microorganisms removal efficiency over month 80

Figure 4.11.1. Monthly temperature variation 82

Figure 4.11.2. March and april's daily temperature variation 83

Figure 4.11.3. Daily temperature variation 83

Figure 4.12.1. Monthly rainfall variation 85

Figure 4.12.2. Daily rainfall variation for the month of july 86