Abstract
A hybrid life cycle assessment model is built based on Chinese Economic Input-Output Life Cycle Assessment (EIO-LCA) Model 2007 and PLCA. The life cycle GHG emissions of cassava ethanol are calculated and its indirect emission is then allocated into 43 sectors. The results indicate that the life cycle GHG emission of cassava ethanol is 96.2 g/MJ, direct emission, indirect emission and carbon absorbed by photosynthesis is 130.2 g/MJ, 36.9 g/MJ and 70.9 g/MJ, respectively. The electric and heat power sector contributes the most emission in the indirect emission of cassava ethanol, accounts for 32.2%. Compared with traditional gasline, GHG emission reduction of cassava ethanol is not obvious. The hybrid method has the capacity to calculate the life cycle GHG emissions of cassava ethanol more comprehensively, and to reflect the distribution of indirect emission in the sectors of production chain, thus it can help improve policy making in emission reduction.
| Original language | English |
|---|---|
| Pages (from-to) | 1081-1088 |
| Number of pages | 8 |
| Journal | Beijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis |
| Volume | 47 |
| Issue number | 6 |
| State | Published - Nov 2011 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy -
SDG 12 Responsible Consumption and Production
Keywords
- EIO-LCA
- Fuel ethanol
- Greenhouse gas emissions
- Life cycle assessment
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