INTEGRATED EVALUATION OF BIOMASS ENERGY SYSTEM FOR FOSSIL FUEL SUBSTITUTION

被引：0
|
作者：
Furubayashi, Takaaki [1 ]
Nakata, Toshihiko [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Aoba Ku, 6-6-11 Aramaki, Sendai, Miyagi 9808579, Japan
来源：
PAPERS OF THE 23RD EUROPEAN BIOMASS CONFERENCE: SETTING THE COURSE FOR A BIOBASED ECONOMY | 2015年
关键词：
biomass; evaluation; effective utilization of resource. EROI; fossil fuel substitution; RETURN; EROI;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The purpose of this study is to evaluate the biomass energy system considering the effective utilization of resource for the fossil fuel substitution. Simple energy balance and energy return on investment (EROI) are used to conventional energy evaluation. However, the energy balance is depended on the system scale, and EROI cannot show the total system efficiency considering consumed biomass resource. In this study, the alternative evaluations are suggested. One is the effective utilization rate of resource that is defined as the energy balance divided by higher heating value (HHV) of biomass resource. Another is the fossil fuel substitution rate that is net substituted fossil fuel energy divided by HHV of biomass resource. As a case study, these values are evaluated using woody biomass, several types of preprocessing and energy conversion in Japan's Tohoku area. It is obtained that the effective utilization rate of resource and the fossil fuel substitution rate show the total system efficiency clearly, and how to improve the system efficiency.
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页码：1664 / 1669
页数：6
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