Journal
BIOMASS & BIOENERGY
Volume 29, Issue 5, Pages 336-346Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biombioe.2004.06.016
Keywords
bioenergy; woody biomass; amount and availability; harvesting and transportation system; energy-conversion technology
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The feasibility of the utilization of woody biomass as energy resources in Japan is discussed based on its amount, availability, and energy-conversion technologies. The amount is currently estimated to be 31.7 Tg y(-1) on a dry-weight basis, corresponding to 2.8% of the national primary energy supply. An analysis of the current systems for the-harvest and transport of logging residues showed that improvements are needed for them to be sustainable/economic. The prospects for woody bioenergy utilization around the year 2010 and 2050 are also, discussed based on the present state-of-the-art energy-conversion technologies. Around the year 2010, both the on-site utilization and the regional utilization are expected to be feasible as a small-scale. and decentralized system.. On the other hand, the co-firing of woody biomass with coal at an existing coal-fired power plant is expected as a large-scale and centralized system. Around the year 2050, the regional utilization is expected to be the main energy utilization I for a small-scale and decentralized system. Biomass plantations in foreign countries will be needed for a large-scale and centralized system in Japan. (c) 2005 Elsevier Ltd. All rights reserved.
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