표제지
Abstract
요약
목차
제1장 서론 13
1.1. 연구의 필요성 13
1.2. 연구 목적 13
제2장 문헌 연구 15
2.1. LCD 제조 공정의 이해 15
2.1.1. TFT(Thin Film Transistor) 공정 15
2.1.2. Color Filter 공정 18
2.1.3. Cell 공정 19
2.1.4. Module 공정 21
2.1.5. OLED 공정 22
2.2. 막분리를 이용한 하, 폐수 처리기술 23
2.2.1. 막분리의 역사 23
2.2.2. 막여과 공정 25
2.2.3. 막공정 용어 25
2.3. 막분리 28
2.3.1. 막분리의 종류 28
2.3.2. 막분리 모듈과 농도 분극 36
2.3.3. 막의 분리 기능 37
2.4. MBR Unit의 이해 38
2.4.1. MBR (Membrane Bio Reactor) 38
2.4.2. MBR System의 장점 39
2.4.3. MBR System의 역세 및 Cleaning 40
2.5. RO Unit의 이해 42
2.5.1. 역삼투의 개념 42
2.5.2. 역삼투압의 원리 및 특성 42
2.5.3. 역삼투막의 조건 44
2.5.4. 막의 모양 44
2.5.5. 압력용기 44
2.5.6. 역삼투막 설비의 제거효율 45
2.5.7. 막의 오염 47
2.5.8. CIP (Clean In Place) 48
2.5.9. RO 농축수의 발생 48
제3장 실험방법 및 분석 49
3.1. 실험 대상 49
3.2. 실험 방법 52
3.2.1. Pilot Test 세부 사양 52
3.2.2. P45, P61공장 폐수 처리 설비 세부 공정 54
제4장 결과 및 고찰 57
4.1. 원수 및 처리수 TOC 농도 분석 결과 57
4.2. 원수 및 처리수 Conductivity 농도 분석 결과 58
4.3. 원수 및 처리수 TOC 처리 효율 60
4.4. MBR과 RO의 TOC 처리 효율 61
4.5. MBR과 RO의 차압 변화 64
4.6. MBR 원수 및 처리수의 AOP Test 65
4.7. 경제성 평가 및 설비 Skip 검토 66
4.7.1. 초순수 원수 대체 비용 절감 발생 66
4.7.2. 후속 설비 Skip에 따른 비용 절감 효과 68
4.8. RO 농축수 처리에 대한 검토 70
4.8.1. RO 농축수 처리 후 농도 분석 71
제5장 결론 74
참고문헌 75
[Table 2.1] History of membrane separation development 23
[Table 2.2] Index of SDI sheets according to the membrane process 26
[Table 2.3] Terminology used in membrane separation 27
[Table 2.4] The general characteristics of the membrane process 28
[Table 2.5] Advantages and disadvantages of all types of membranes 36
[Table 2.6] According to the type of deposition substance type of cleaning agent 41
[Table 2.7] The ion removal rate of RO membranes 45
[Table 2.8] The solute removal rate of RO membranes 46
[Table 2.9] Types of membrane disorders with the RO system 47
[Table 3.1] Actual generation/facility capacity of the organic TN system at Factories P45 and P61 50
[Table 3.2] Expected generation/treatment/facility capacity of the reusable system 50
[Table 3.3] Concentration criteria for raw and treated water design with the reusable system 51
[Table 3.4] Concentration criteria for total process design 51
[Table 3.5] The concentration of primary organic treated water at Factory P45 52
[Table 3.6] MBR System Pilot Test 53
[Table 3.7] RO System Pilot Test 53
[Table 4.1] Comparison of treatment efficiency according to the TOC components 61
[Table 4.2] Comparison of treatment efficiency of the MBR and RO equipments between the factories 62
[Table 4.3] Comparison of AOP test efficiency of MBR and RO equipments between the factories 65
[Table 4.4] The contaminant concentration of MBR raw water 70
[Table 4.5] The contaminant concentration of RO raw water 70
[Table 4.6] The contaminant concentration of RO concentrate water at the RO system 71
[Table 4.7] After disposal of the RO concentrated water, a change in the pollutant concentration of the organic discharge conditions 72
[Table 4.8] Comparison of the concentration of after flowing into the organic TN collection tanks RO retentate 72
[Fig 2.1] TFT Process 15
[Fig 2.2] Color Filter Process 18
[Fig 2.3] Cell Process 19
[Fig 2.4] Module Process 21
[Fig 2.5] The structures and principles of OLED 22
[Fig 2.6] Differences in the light emitting methods according to the OLED 22
[Fig 2.8] The chemical structure of cellulose 31
[Fig 2.9] The chemical structures of aliphatic polyamide (nylon-6) and aromatic polyamide(Nomex) 31
[Fig 2.10] The structure of a tubular membrane 32
[Fig 2.11] The structure of a hollow-fiber membrane 34
[Fig 2.12] The structure of a spiral membrane 35
[Fig 2.13] The state of the table side of a membrane 35
[Fig 2.14] The concentration polarization of a membrane 37
[Fig 2.15] The structure of MBR 38
[Fig 2.16] Organization according to the operation methods of MBR 39
[Fig 2.17] The states of equilibrium, osmosis, and reverse osmosis 43
[Fig 3.1] The process chart of a reusable system Pilot test 54
[Fig 3.2] The process chart of treating organic wastewater from Factory P45 55
[Fig 3.3] The process chart of treating organic wastewater from Factory P61 56
[Fig 4.1] Changes to the TOC concentration of raw water and treated water at Factory P45 57
[Fig 4.2] Changes to the TOC concentration of raw water and treated water at Factory P61 58
[Fig 4.3] Changes to the conductivity concentration of raw water and treated water at Factory P45 59
[Fig 4.4] Changes to the conductivity concentration of raw water and treated water at Factory P61 59
[Fig 4.5] Changes to the TOC treatment concentration of MBR and RO equipments 60
[Fig 4.6] Changes to the TOC treatment concentration of raw water and treated water at Factories P45 and P61 60
[Fig 4.7] The TOC treatment efficiency of raw water and treated water at Factories P45 and P61 61
[Fig 4.8] TOC component analysis of RO treated water 63
[Fig 4.9] The progress of MBR TMP and RO ΔP changes 64
[Fig 4.10] TOC concentration of raw water and treated water 65
[Fig 4.11] The process chart of organic treatment system skip at Factory P45 68
[Fig 4.12] The process chart of organic treatment system skip at Factory P61 69
[Fig 4.13] Disposal system diagram of the RO concentrated water 73