Life cycle inventory and energy analysis of cassava-based Fuel ethanol in China |
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| Institution: | 1. Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, USA;2. Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA;3. Department of Chemical and Environmental Sciences, University of Limerick, Ireland\n |
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| Abstract: | The Chinese government is developing biomass ethanol as one of its automobile fuels for energy security and environmental improvement reasons. The cassava is an alternative feedstock to produce this ethanol fuel. Its performance of environmental impacts and energy efficiency is the critical issue. Life cycle assessment has been used to identify and quantify the environment emissions, energy consumption and energy efficiency of the system throughout the life cycle. This study investigates the entire life cycle from cassava plantation, ethanol conversion, transport, Fuel ethanol blending and distribution to its end-use. Product system of cassava-based ethanol fuel is described and it is divided into six unit processes. The environmental impacts and energy consumption of each unit process are quantified and some of the potential effects are assessed. |
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