표제지

요약문

ABSTRACT

목차

NOMENCLATURE 14

SUBSCRIPTS 14

ABBREVIATIONS 15

1. 서론 17

1.1. 연구배경 및 동향 17

1.2. 연구 목적 및 내용 20

2. 시스템 구성 22

2.1. 복합열병합발전 시스템 22

2.1.1. 시스템 개요 22

2.1.2. 시스템 설비 구성 및 운전 방법 23

2.2. CO₂ 포집 및 압축 시스템 28

2.2.1. CO₂ 포집 시스템 28

2.2.2. CO₂ 압축 시스템 32

2.2.3. 복합열병합발전 및 CCS 통합 시스템 33

3. 모델링 36

3.1. 복합열병합 발전 시스템 36

3.2. CO₂ 포집 및 압축 시스템 42

4. 결과 및 분석 44

4.1. CO₂ 포집설비(MEA) 파라매트릭 해석 결과 44

4.1.1. 흡수액 순환량 44

4.1.2. MEA 흡수액의 농도 변화 46

4.1.3. 흡수탑의 단수 변화 47

4.1.4. 흡수액의 온도 변화 48

4.1.5. 재생열량 소비의 최적화 49

4.2. 운전 모드 및 CCS 흡수제 변화 따른 시스템 성능 분석 51

4.2.1. Operation Mode I 51

4.2.2. Operation Mode III 56

4.2.3. Operation Mode V 59

4.3. 경제성 분석 63

4.3.1. 경제성 분석 방법 63

4.3.2. 경제성 분석 결과 68

5. 결론 72

참고문헌 75

Table 1. Classification of Operation Mode in the combined cycle cogeneration plant 23

Table 2. Fuel Analysis 37

Table 3. Major parameters and performance of the combined cycle cogeneration plant 38

Table 4. Parameters of MEA and CSU 42

Table 5. Parameters of regeneration heat in the various CO₂ Capture Process 50

Table 6. Performance summary of different sorbents for CO₂ capture (Mode I) 51

Table 7. Performance summary of different sorbents for CO₂ capture (Mode III) 56

Table 8. Performance summary of different sorbents for CO₂ capture (Mode V) 59

Table 9. Definition of cases 64

Table 10. Parameters for economic analysis 67

Table 11. Economic analysis result of MEA process case - 1, 2, 3 69

Table 12. Economic analysis result of PEI process case - 1, 2, 3 70

Fig. 1. Configuration of the combined cycle cogeneration plant in operation Mode I 24

Fig. 2. Configuration of the combined cycle cogeneration plant in operation Mode III 25

Fig. 3. Configuration of the combined cycle cogeneration plant in operation Mode V 27

Fig. 4. Configuration of the MEA process 29

Fig. 5. Configuration of the PEI-based solid sorbent process 31

Fig. 6. Configuration of the carbon separate unit 32

Fig. 7. Configuration of the combined cycle cogeneration plant with the post combustion CO₂ capture(Mode I) 34

Fig. 8. Configuration of the combined cycle cogeneration plant with the post combustion CO₂ capture(Mode III) 34

Fig. 9. Configuration of the combined cycle cogeneration plant with the post combustion CO₂ capture(Mode V) 35

Fig.10. Variation in gas turbine performance with ambient temperature 39

Fig.11. Variation of heat consumption and CO₂ removal efficiency with circulation rate 45

Fig.12. Variation of heat consumption with MEA solvent concentration 46

Fig.13. Variation of heat consumption and CO₂ removal efficiency with number of stages 47

Fig.14. Variation of heat consumption with lean solvent temperature 48

Fig.15. Variation of power efficiency with different sorbents for CO₂ capture (Mode I) 53

Fig.16. Variation of thermal efficiency with different sorbents for CO₂ capture (Mode I) 53

Fig.17. Variation of total efficiency with different sorbents for CO₂ capture (Mode I) 54

Fig.18. Variation of efficiency with different heat consumption of MEA process (Mode I) 55

Fig.19. Variation of power efficiency with different sorbents for CO₂ capture (Mode III) 57

Fig.20. Variation of efficiency with different heat consumption of MEA process (Mode III) 58

Fig.21. Variation of power efficiency with different sorbents for CO₂ capture (Mode V) 60

Fig.22. Variation of thermal efficiency with different sorbents for CO₂ capture (Mode V) 61

Fig.23. Variation of total efficiency with different sorbents for CO₂ capture (Mode V) 61

Fig.24. Variation of efficiency with different heat consumption of MEA process (Mode V) 62

Fig.25. Economic analysis result of MEA process 69

Fig.26. Economic analysis result of PEI process 71