Environmental sustainability assessment of ethanol from cassava and sugarcane molasses in a life cycle perspective
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Publication Details
Author list: Gheewala S.H.
Publisher: Springer Verlag
Publication year: 2013
Issue number: 9781447153634
Start page: 131
End page: 143
Number of pages: 13
ISSN: 1865-3529
eISSN: 1865-3529
Languages: English-Great Britain (EN-GB)
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Abstract
Liquid transportation fuels derived from biomass (biofuels) are widely promoted inter alia due to their perceived environmental benefits. The environmental sustainability of biofuels, however, must be rigorously tested using scientific tools. Several such tools, namely net energy ratio (NER), net energy balance (NEB), renewability, and life cycle assessment (LCA), are defined and then used to analyze the environmental sustainability of ethanol produced from cassava and sugarcane molasses in Thailand. These studies show the utility of such tools in the evaluation and also point various areas of improvement. Use of renewable energy sources in the supply chain, utilization of co-products as well as waste products, and good management practices at the farm such as use of organic fertilizers are some of the options that can help improve the environmental benefits of biofuels. ฉ 2013, Springer-Verlag London.
Keywords
Burning, Fermentation, methane
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