CIMS论文的天地

中国生物质燃料乙醇项目能量生产效率评估

注意：本论文已在《农业工程学报》2005,21(11):121-123发表
使用者请注明论文出处
（EI已经收录本文）
戴杜1，刘荣厚2，浦耿强1，王成焘1
（1上海交通大学机械与动力工程学院，上海 200030；
2上海交通大学农业与生物学院，上海 201101）

摘 要：为了对玉米和木薯乙醇的能量和可再生能量生产效率进行评估，该文统计了玉米和木薯乙醇生命周期能耗，并用市场价值量法按照主副产品的能耗进行了分配。计算出玉米和木薯燃料乙醇的净能量和净可再生能量。并计算了单产和化肥用量变化时的净能量和净可再生能量的变化。计算结果显示，玉米、木薯乙醇的净能量分别为1.472 MJ/L和2.417 MJ/L，净可再生能量分别为1.474 MJ/L和2.459 MJ/L。使用玉米、木薯生产燃料乙醇在能量生产和再生能量生产上都是可行的，木薯乙醇比玉米乙醇可行性更高，单产和化肥用量是提高能源利用和再生能源的关键因素，加强副产品的开发和使用有机肥代替化肥有利于提高系统的能效，提高系统的可再生性。
关键词：燃料乙醇；净能量；可再生能源
中图分类号：S216.2 文献标示码：A

Evaluation on Energy Production Efficiency of Biomass based Fuel Ethanol Program
Dai Du1, Liu Ronghou2, Pu Gengqiang1, Wang Chengtao1
(1 School of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai 200030, China; 2 School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 201101, China)

Abstract: To assess corn and cassava fuel ethanol production energy efficiency, this paper estimates life cycle energy consumption of corn and cassava fuel ethanol, allocates energy uses between fuel ethanol and its byproducts, and finally, works out net energy value (NEV) and net renewable energy (NREV). It also gives NEV and NREV results of corn and cassava under changed yields and chemicals uses. The results show that NEV of corn and cassava ethanol are 1.472 MJ/L and 2.417 MJ/L, respectively, and NREV of corn and cassava ethanol are 1.474 MJ/L and 2.459 MJ/L, respectively. Corn and cassava ethanol utilization are energy and renewable energy feasible, and cassava ethanol has better feasibility than corn ethanol. Yield and chemicals use are key factors to improve NEV and NREV. Better byproducts utilization and substitution of organic fertilizer for chemical fertilizer help to improve energy efficiency and renewability
Keywords: fuel ethanol; net energy; renewable energy

1、浏览PDF格式全文需要使用软件－－Abode Acrobat(由于软件较大并常见,我站不提供下载)

2、下载论文全文请点击鼠标右键“另存为”或使用网络蚂蚁下载(28KB)

>>>>参加更多投票调查请点击！