표제지
요약문
Abstract
목차
제1장 서론 12
제2장 문헌연구 14
2.1. 폐플라스틱 처리 및 정책 현황 14
2.1.1. 플라스틱의 개념과 종류 14
2.1.2. 폐플라스틱의 처리 현황 16
2.1.3. 폐플라스틱 관련 정책 동향 22
2.2. 수소 생산 25
2.2.1. 수소의 종류 26
2.2.2. 수소 시장 현황 및 전망 28
2.2.3. 해외 청정수소 인증제 구축 사례 29
2.3. 전과정평가(Life cycle Assessment) 32
2.3.1. 목적 및 범위 정의(Goal and Definition) 33
2.3.2. 전과정목록분석(Life cycle Inventory Analysis) 33
2.3.3. 전과정 영향평가(Life cycle Impact Assessment) 39
2.3.4. 전과정해석(Life cycle Interpretation) 40
제3장 연구방법 41
3.1. 환경영향분석 41
3.1.1. 데이터 수집 41
3.1.2. 공정 43
3.1.3. 영향범주 선정 47
제4장 환경영향 분석 48
4.1. 폐플라스틱 소각·매립·재활용·가스화의 환경영향 48
4.1.1. 목적 48
4.1.2. 대상 48
4.1.3. 범위 49
4.1.4. 전과정 목록분석 51
4.1.5. 전과정 영향평가 53
4.1.6. 결과 해석 58
4.2. 수소 생산 환경영향평가 59
4.2.1. 목적 59
4.2.2. 대상 59
4.2.3. 범위 60
4.2.4. 전과정목록분석 61
4.2.5. 전과정 영향평가 63
4.2.6. 결과 해석 66
제5장 결론 67
참고문헌 69
Table 1. Types of hydrogen 27
Table 2. Goal and scope definition 49
Table 3. Data quality requirements 50
Table 4. Waste plastic gasification process(based on functional unit) 51
Table 5. Applied LCI DB and sources 52
Table 6. Environmental impact assessment of 1 ton of waste plastic gasification 53
Table 7. Environmental impact assessment of 60kg hydrogen production 54
Table 8. Environmental impact assessment with allocation avoidance on the production of 60kg hydrogen 54
Table 9. Environmental impact assessment of 1 ton of waste 55
Table 10. Environmental impact assessment of 1 ton of waste 56
Table 11. Environmental Effects of Waste Plastic Incineration and Gasification 57
Table 12. Goal and scope definition 60
Table 13. Waste plastic gasification process(based on functional unit) 61
Table 14. Applied LCI DB and sources 62
Table 15. Environmental impact assessment of 1kg hydrogen production through waste plastic gasification 63
Table 16. Evaluation of the impact of hydrogen production environment 64
Fig. 1. Types of plastic 15
Fig. 2. Waste classification system according to the waste management act 16
Fig. 3. Plastic waste generation(2010~2021) 17
Fig. 4. Daily generation of plastic in household waste(2019~2021) 18
Fig. 5. Material flow chart of domestic household plastic waste 19
Fig. 6. Global hydrogen production 28
Fig. 7. LCA framework (ISO 14040) 32
Fig. 8. Analysis procedure of life cycle inventory analysis 34
Fig. 9. Product system model for multi-output, multi-input, open-loop recycling 36
Fig. 10. Life cycle impact analysis. 39
Fig. 11. Diagram of waste plastic gasification process 44
Fig. 12. Diagram of waste plastic incineration process 45
Fig. 13. Diagram of waste plastic recycling process 46
Fig. 14. Diagram of hydrogen production process 47
Fig. 15. Environmental impact assessment by waste plastic treatment method 57
Fig. 16. Environmental impact assessment on hydrogen production 65