본문 바로가기 주메뉴 바로가기
22대 대한민국 국회 국회정보길라잡이 국회의원검색
회원가입 로그인
HOME

정보검색

소장정보 검색

국회도서관 홈으로 정보검색 소장정보 검색

결과 내 검색

동의어 포함

고급검색

인명/단체명

저자정보 상세정보
인명/단체명을 입력하세요.

키워드

  • 대표어

  • 외국어

-

목차보기

표제지

요약

목차

1. 서론 14

1.1. 연구배경 및 목적 14

1.2. 연구내용 및 범위 15

2. 이론적 배경 16

2.1. 유입수의 특성과 화학 양론적 계수의 결정 16

2.1.1. 유입수의 COD 구성 16

2.1.2. 동역학 계수와 화학 양론적 계수의 결정 21

2.2. 막결합형 활성슬러지 공정 24

2.2.1. MBR의 개요 24

2.2.2. 막의 종류와 이용 24

2.2.3. 막분리 활성슬러지 공정 28

2.3. 막오염(Fouling) 32

2.4. 생물학적 질소처리 38

2.4.1. 질산화 39

2.4.2. 질산화 저해인자 40

3. 실험장치 및 방법 43

3.1. 실험장치 43

3.2. 운전 mode 설정 45

3.3. 실험방법 47

3.3.1. 유입수 성상분석 47

3.3.2. EPS 분석 49

3.3.3. 막 저항 측정 50

3.3.4. 주사전자현미경(S.E.M.) 분석방법 53

3.3.5. 분석항목 및 방법 54

4. 연구결과 및 고찰 55

4.1. MBR 공정의 처리수질 및 제거효율 55

4.1.1. 유기물 거동 55

4.1.2. 질소, 인 거동 58

4.2. 동역학계수 62

4.2.1. YH 산정(이미지참조) 62

4.2.2. bH 산정(이미지참조) 64

4.3. 유입폐수 성상 67

4.4. 막오염 74

4.4.1. 임계플럭스(Critical flux) 74

4.4.2. 유입원수의 입경 76

4.4.3. 유입수의 양이온 77

4.4.4. 여과저항 78

4.5. 막 표면 분석 86

5. 결론 88

References 90

ABSTRACT 97

List of Tables

Table 2.1. Membrane and configuration for MBR(Stephenson et al., 2000) 26

Table 2.2. Characteristics according to module type 27

Table 2.3. Relationship between Nitrifier faction and the BOD/TKN ratio 40

Table 3.1. Specification of membrane 44

Table 3.2. Characteristics of raw wastewater 45

Table 3.3. Operation conditions for MBR 46

Table 3.4. Analytical methods for water quality analysis 54

Table 4.1. Experimental data for YH estimation(이미지참조) 62

Table 4.2. Comparison of YH value obtained though the experiment and convential value of heterotrophs(Henze et al., 1987)(이미지참조) 64

Table 4.3. Comparison of bH value obtained though the experiment and convential value of heterotrophs(Henze et al., 1987)(이미지참조) 65

Table 4.4. Characterization of wastewater for COD fraction 67

Table 4.5. COD fraction according to modes 73

Table 4.6. Critical flux value 76

Table 4.7. Average cation conc. of influent 77

Table 4.8. Proportion of resistance values according to modes 79

Table 4.9. Proportion of resistance values except Rfc(이미지참조) 80

Table 4.10. Proportion of protein and polysaccharide according to modes 80

Table 4.11. Proportion of resistance values according to HRT 82

Table 4.12. Proportion of protein and polysaccharide according to HRT 83

List of Figures

Figure 2.1. Two modeling approaches for the activated sludge process (a) Death-regeneration (b) traditional 17

Figure 2.2. Division of organics by biodegradability(Wentzel et al., 1995) 17

Figure 2.3. Graph of OUR curve 20

Figure 2.4. Oxygen consumption and COD 23

Figure 2.5. Membrane classification pore size 25

Figure 2.6. Schematic diagram of cross flow MBR 29

Figure 2.7. Schematic diagram of submerged MBR 30

Figure 2.8. Factors of influencing membrane fouling in MBR(Chang et al, 2002) 32

Figure 2.9. Schematic fouling process 34

Figure 2.10. Schematic of model for biomass, EPS, SMP(Laspidou, 2002) 37

Figure 2.11. Concept on the behaviour of EPS in the mixed liquor and on the membrane surface in MBR 37

Figure 2.12. Nitrogen cycle in surface water(U. S. EPA. 1993) 38

Figure 2.13. Nitrogen transformation in biological nitrification 39

Figure 3.1. Apparatus for this MBR study 43

Figure 3.2. Schematic of lab-scale MBR and photograph of membrane 44

Figure 3.3. Apparatus for YH and SI estimation(이미지참조) 47

Figure 3.4. Apparatus for respirometric test 48

Figure 3.5. Photographs of microplate reader and 96 well plate 49

Figure 3.6. Steps to measure the filtration resistance 50

Figure 3.7. Photographs of Scanning Electron Microscope 53

Figure 4.1. CODcr conc. and removal efficiency during the operation period(이미지참조) 56

Figure 4.2. BOD conc. and removal efficiency during the operation period 56

Figure 4.3. Variation of MLSS and MLVSS conc. during the operation period 57

Figure 4.4. SS conc. and removal efficiency during the operation period 58

Figure 4.5. TKN and NO3--N conc. during the operation period(이미지참조) 59

Figure 4.6. TN conc. during the operation period 59

Figure 4.7. Variation of alkalinity consumption rate during the operation period 60

Figure 4.8. TP conc. and removal efficiency during the operation period 61

Figure 4.9. Relation between BCOD and SCOD in MBR for estimating 63

Figure 4.10. Estimation of YH using △BCOD/△SCOD(이미지참조) 63

Figure 4.11. Change of In OUR according to time for bH(이미지참조) 65

Figure 4.12. Effects of the F/M ratios 68

Figure 4.13. Respirometric test result according to modes 69

Figure 4.14. Batch test result of SI conc. according to modes(이미지참조) 70

Figure 4.15. Comparison of COD fraction according to modes 73

Figure 4.16. Change of TMP under flux-step increase 75

Figure 4.17. Distribution of particle size in the influent 76

Figure 4.18. Variation of cation conc. 77

Figure 4.19. Comparison of membrane fouling resistance values according to modes 79

Figure 4.20. Comparison of protein and polysaccharide according to modes 81

Figure 4.21. Comparison of membrane fouling resistance values according to HRT 82

Figure 4.22. Comparison of protein and polysaccharide according to HRT 83

Figure 4.23. The change of flux and TMP during the operation period 84

Figure 4.24. Flux recovery rate during the operation period 85

Figure 4.25. SEM image of uncontaminated membrane surface 86

Figure 4.26. SEM images of contaminated membrane surface 87

추천서가 (다양한 추천 자료를 만나보세요)

권호기사보기

권호기사 목록 테이블로 기사명, 저자명, 페이지, 원문, 기사목차 순으로 되어있습니다.
기사명 저자명 페이지 원문 기사목차

권호

기사명 원문보기 기사목차
닫기