Life Cycle Assessment of New Oxy-Fuels from Biodiesel-Derived Glycerol
AbstractBiodiesel is obtained by the process of transesterification of vegetable oils and animal fats and crude glycerol is the main by-product of the biodiesel manufacturing chain. As a result glycerol production has rapidly increased in the last decades. This work focuses on the development and the validation of a process to convert biodiesel-derived glycerol into a fuel for internal combustion engines. In order to obtain a higher conversion efficiency it was necessary to convert crude glycerol to tert-butyl ethers by means of an etherification process that was carried out in the laboratory. Then the obtained glycol-ethers mixture (GEM) was blended with a commercial diesel fuel to improve its thermal efficiency. In this paper a life cycle analysis for these GEM/diesel blends was carried out using a Life Cycle Assessment (LCA) methodology, in order to evaluate the environmental impacts of these new oxy-fuels; from GEM production to GEM use as an additive for diesel fuel. The LCA results highlight that the use of these new oxy-fuels in diesel engines can lead to an effective reduction in terms of greenhouse gases emissions throughout the entire life cycle. View Full-Text
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Asdrubali, F.; Cotana, F.; Rossi, F.; Presciutti, A.; Rotili, A.; Guattari, C. Life Cycle Assessment of New Oxy-Fuels from Biodiesel-Derived Glycerol. Energies 2015, 8, 1628-1643.
Asdrubali F, Cotana F, Rossi F, Presciutti A, Rotili A, Guattari C. Life Cycle Assessment of New Oxy-Fuels from Biodiesel-Derived Glycerol. Energies. 2015; 8(3):1628-1643.Chicago/Turabian Style
Asdrubali, Francesco; Cotana, Franco; Rossi, Federico; Presciutti, Andrea; Rotili, Antonella; Guattari, Claudia. 2015. "Life Cycle Assessment of New Oxy-Fuels from Biodiesel-Derived Glycerol." Energies 8, no. 3: 1628-1643.