표제지
요약문
목차
제1장 서론 11
제1절 연구 배경 및 목적 11
제2절 연구 내용 및 범위 12
제2장 이론적 배경 13
2.1. 배출수의 일반적 특성 13
2.2. 원수수질과 정수장 슬러지 특성 13
2.3. 침강·농축·탈수성의 조사 15
2.4. 배출슬러지의 물리적 특성 17
2.5. 배출슬러지의 화학적 특성 17
2.6. 역세척 배출수의 특성 18
2.7. 배출수 처리시설의 구성과 기능 20
2.8. 여과지 역세척 배출수의 처리 20
2.9. 정수장 배슬러지 및 배출수 주요 시설 23
2.9.1. Adjustment facility 23
2.9.2. Concentration facility 24
2.9.3. Dehydration facility 25
2.9.4. Disposal facility 27
제3장 실험방법 31
제1절 운전 mode 별 실험 및 측정 31
제2절 운전 mode I (용수 취수 위치 공정변화) 37
제3절 운전 mode II (탈리액 반송위치 조정 변화) 39
제4절 운전 mode III (방류수 폭기에 따른 수질변화) 41
제4장 실험결과 및 고찰 43
제1절 용수 취수 위치 공정변화 43
1. PH 농도변화 43
2. SS 농도변화 44
2. COD 농도변화 44
2. Mn 농도변화 45
제2절 탈리액 반송위치 조정 변화 46
1. SS 농도변화 46
2. COD 농도변화 48
2. Mn 농도변화 51
제3절 운전 mode III(방류수 폭기에 따른 수질변화) 53
제5장 결론 56
References 58
Abstract 62
[Table 2-1] Chemical composition of alum sludge 17
[Table 2-2] Sludge properties of backwash discharge water 17
[Table 2-3] Distribution of water in sludge particles 18
[Table 2-4] Characteristics of backwash sludge 19
[Table 2-5] Conversin coeficients of water teatment chemials 22
[Table 2-6] Changes in water quality emission standards by item 28
[Table 2-7] Water discharge standards by region 29
[Table 3-1] Status of the facility to be tested 32
[Table 3-2] Status of the facility to be tested 32
[Table 3-3] Water quality status of the facility to be tested 33
[Figure 2-1] Relationship between Al/T ratio and specific resistance 16
[Figure 2-2] Water structure in sludge 21
[Figure 2-3] Water purification plant adjustment, concentration and... 23
[Figure 2-4] Precipitation form of circular thickening tank 25
[Figure 2-5] Mass balance of continuous thickening tank 25
[Figure 2-6] Changes in water quality emission standards by item 29
[Figure 3-1] Water purification plant adjustment and concentration process 31
[Figure 3-2] 1st thickening tank [내용없음] 9
[Figure 3-3] 2nd thickening tank [내용없음] 9
[Figure 3-4] PH status (final outlet) 34
[Figure 3-5] COD status (final outlet) 34
[Figure 3-6] SS status (final outlet) 35
[Figure 4-1] PH by collection point 43
[Figure 4-2] SS by collection point 44
[Figure 4-3] COD by collection point 44
[Figure 4-4] Mn by collection point 45
[Figure 4-5] Concentration before and after SS in the bath sludge tank 46
[Figure 4-6] Concentration before and after SS in the first enrichment tank 47
[Figure 4-7] Concentration before and after SS in the second... 47
[Figure 4-8] Concentration before and after COD in the bath sludge tank 48
[Figure 4-9] Concentration before and after COD in the first enrichment tank 49
[Figure 4-10] Concentration before and after COD in the second... 50
[Figure 4-11] Concentration before and after Mn in the bath sludge tank 51
[Figure 4-12] Concentration before and after Mn in the first enrichment tank 51
[Figure 4-13] Concentration before and after Mn in the second... 52
[Figure 4-14] Concentration of chloroform at the rear end of the... 53
[Figure 4-15] Chloroform concentration at the final outlet 53