음폐수 농도에 따른 음식물류 폐기물 자원화 시설의 전과정 영향 평가에 관한 연구A Study on the Life Cycle Impact Assessment for the Food Waste Recycling Facilitiest
- Other Titles
- A Study on the Life Cycle Impact Assessment for the Food Waste Recycling Facilitiest
- Authors
- 황용우; 민달기
- Issue Date
- 2012
- Publisher
- 한국폐기물자원순환학회
- Keywords
- Food waste & recycling plant; Concentration of food wastewater; Life cycle assessment; LCI database; Contribution & sensitive analysis
- Citation
- 한국폐기물자원순환학회지, v.29, no.4, pp.365 - 371
- Journal Title
- 한국폐기물자원순환학회지
- Volume
- 29
- Number
- 4
- Start Page
- 365
- End Page
- 371
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/17167
- ISSN
- 2093-2332
- Abstract
- In this study, life cycle assesment (LCA) was conducted based on a functional unit of 1 ton of food waste recycling from collection and transportation to treatment processes such as feed production, composting, other recycling and incineration for 45 public food waste recycling plants. The Korean life cycle inventory (LCI) data were used for the main input material and energy. For the other input data, which could not be provided by the Korean LCI database, data of other countries were used from the database by Ecoinvent, and the strength of food wastewater for LCI DB was divided low and high concentration. In case of low strength of food wastewater, environmental impacts were suggested incineration, composting and feed production in the order, where collection and transportation were identified as the major influencing factors by contribution analysis and sensitive analysis. Contrary, in case of high strength of food wastewater,environmental impacts were suggested composting, feed production and incineration in the order, where treatment of food wastewater was identified as the major influencing factor. Therefore, discharge volume as well as concentration of food wastewater was found to be important parameter of the LCA.
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