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玉米燃料乙醇生命周期能耗分析(PDF)

《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

期数:
2010年06期
页码:
0
栏目:
出版日期:
2010-06-25

文章信息/Info

Title:
Analysis of net energy production in the corn ethanol life cycle
作者:
丁文武; 原林; 汤晓玉; 肖泽仪
（四川大学化工学院，四川成都610065）
Author(s):
DING Wenwu;  YUAN Lin;  TANG Xiaoyu;  XIAO Zeyi
(School of Chemical Engineering, Sichuan University, Chengdu 610065, China)
关键词:
玉米燃料乙醇; 净能值; 能量产投比; 可再生能量回收率; 生命周期
分类号:
S216.2
DOI:
10.3969/j.issn.1006-7043.2010.06.016
文献标识码:
A
摘要:
利用生命周期评价原理对玉米燃料乙醇生产能耗和产投比进行了分析，以期为膜生物反应器发酵等新工艺的能耗分析以及玉米燃料乙醇的可再生性分析提供依据.在计入和忽略副产品能值的2种情况下，玉米燃料乙醇生命周期的净能量值都为负值，能量产投比都小于1，如果不计副产品能值，则净能量为-16 556.15 MJ，能量产投比为0.618，计入副产品能值则净能值为-8 765.15 MJ，能量产投比为0.753.每吨乙醇所耗玉米中含有的可再生能量为40 993.60MJ，可再生能量回收率为65.3%，乙醇的发酵生产只是一种能源形式的转变过程.通过现有研究结果的比较发现，国内研究中玉米燃料乙醇生命周期的净能值为正的结果值得商榷.

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备注/Memo

备注/Memo:
国家自然科学基金资助项目（20276041，20776088）
更新日期/Last Update: 2010-07-06