Comparison of Carbon Footprints of Coffee Bean and Drip Coffee by Life Cycle Assessment
| Autor: | Chih-Peng Chen, 陳志鵬 |
|---|---|
| Rok vydání: | 2015 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 103 This study proposes a research structure that the standards of ISO/TS 14067 and the carbon footprint (CFP) guide of Environmental Protection Administration (EPA) are used to investigate the required principles and methods to assess CFP of coffee bean and drip coffee. Based on the relevant standards, the CFPs of coffee bean and drip coffee are gained. A real coffee shop is used as a case study and the most popular coffee type (i.e., Yirgacheffe coffee) in the shop is chosen as target product to assess the CFPs of coffee bean and drip coffee. The system boundary is “cradle to grave”, that is, the CFP quantification shall include the life cycle of the products from raw material acquisition through production, distribution, use, and end-of-life treatment, which could include recycling or disposal. The functional unit is “making a cup of Yirgacheffe coffee”. The results of the study show that the CFPs of coffee bean and drip coffee are 0.10189 Kg CO2e per cup and 0.08717 Kg CO2e per cup, respectively, that is, the CFP of drip coffee is lower than the CFP of coffee bean. Moreover, this study investigates two carbon reduction scenarios. Scenario I is for coffee bean and assumes that consumers use low carbon coffee machines to making coffee. Scenario II is for drip coffee and assumes that the packaging of drip coffee is simplified. The results show that the CFPs of coffee bean and drip coffee are 0.05258 Kg CO2e per cup and 0.06761 Kg CO2e per cup, respectively, that is, reducing 48.40% and 22.44% of greenhouse gases emissions when compared with base scenarios. The results of the study can be used as a reference for carbon reduction during product’s life cycle. Furthermore, the results can provide consumers who care about their environment with information about coffee selection. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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