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Ανάλυση κύκλου ζωής της χρήσης βιοκαυσίμου στη ναυτιλία με χρήση Η/Υ

Andrianopoulos Timoleon

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Summary

In the modern times the energy problem occurs increasingly fierce. Global climate change, caused by the adverse effects of fossil fuels in the environment, coupled with their gradual depletion, has lead to an effort to reduce dependence on these fuels. The International Community, with the establishment of measures and laws, along with the scientific community, with their research on alternative fuels, are moving towards the solution of these two major problems, Climate change and Energy efficiency.In recent years interest has focused on Renewable Energy Sources because they have characteristics compatible with the energy needs and also with the need to limit the adverse impacts of fossil fuels.One area of particular interest is the energy use of fuels derived from biomass, such as biodiesel. Biofuels, especially biodiesel, seem to be, if not (direct) replacement of oil, in any case very good successors. Energy crops are, therefore, the centre of attention.The purpose of this study is the Life Cycle Analysis of biodiesel derived from rapeseed an its use in shipping as a fuel. Assessment of the LCA of biodiesel as well as the comparison with the corresponding LCA of fuels that are used in shipping today will help us to make useful conclusions about the potential of biodiesel in environmental and economic terms.The Life Cycle Analysis was performed by means of the program SimaPro. The results show that biodiesel is much more environmental-friendly when used in a combustion engine, byt has increased emissions in some atmospheric pollutants due to its demanding production process. However the benefits from its use long term are much greater.

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