O-105 国内・外産石炭火力混焼用バイオマス燃料の製造・輸送に係わるCO_2排出量の評価(セッション1:資源・システム,研究発表,(口頭発表))

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This research aims to evaluate the differences among the CO_2 lifecycle (LC-CO_2) emissions of biomass fuels according to their production region, material type, and manufacture and transportation methods, including consideration of topics related to the selection of fuel provision. LC-CO_2 emissions differ even among similar biomass types, with up to 10-fold differences among palm empty fruit bunch (EFB) pellets, up to 4.7-fold among domestic wood fiber pellets, and approximately double among bagasse and domestic wood fiber pellets. A breakdown of the LC-CO_2 emissions shows that the ratio between CO_2 emissions from land transportation of materials and those from products is relatively low, whereas the ratio between emissions from sea transportation to Japan and those from material drying and pellet formation is high.
2012-01-18