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首页> 外文期刊>Environmental Science & Technology >Life Cycle Assessment of Potential Biojet Fuel Production in the United States
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Life Cycle Assessment of Potential Biojet Fuel Production in the United States

机译：美国潜在生物喷气燃料生产的生命周期评估

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摘要

The objective of this paper is to reveal to what degree biobased jet fuels (biojet) can reduce greenhouse gas (GHG) emissions from the US. aviation sector. A model of die supply and demand chain of biojet involving farmers, biorefi-neries, airlines, and policymakers is developed by considering factors that drive the decisions of actors (i.e., decision-makers and stakeholders) in the life cycle stages. Two kinds of feedstock are considered: oil-producing feedstock (i.e., camelina and algae) and Iignocellulosic biomass (i.e., corn stover, switchgrass, and short rotation woody crops). By factoring in farmer/feedstock producer and biorefinery profitability requirements and risk attitudes, land availability and suitability, as well as a time delay and technological learning factor, a more realistic estimate of the level of biojet supply and emissions reduction can be developed under different oil price assumptions. Factors that drive biojet GHG emissions and unit production costs from each feedstock are identified and quantified. Overall, this study finds that at likely adoption rates biojet alone would not be sufficient to achieve the aviation emissions reduction target. In 2050, under high oil price scenario assumption, GHG emissions can be reduced to a level ranging from 55 to 92%, with a median value of 74%, compared to the 2005 baseline level.
机译：本文的目的是揭示生物基喷气燃料（biojet）在何种程度上可以减少美国的温室气体（GHG）排放。航空部门。通过考虑在生命周期阶段中驱动行为者（即决策者和利益相关者）做出决定的因素，建立了涉及农民，生物富裕企业，航空公司和政策制定者的生物喷射器供求链模型。考虑了两种原料：产油原料（即油茶和藻类）和木质纤维素生物质（即玉米秸秆，柳枝switch和短轮伐木本作物）。通过考虑农民/原料生产商和生物精炼厂的盈利能力要求和风险态度，土地可利用性和适用性，以及时间延迟和技术学习因素，可以在不同的石油条件下对生物喷气机的供应量和减排量进行更实际的估算。价格假设。确定并量化了导致生物喷气发动机温室气体排放和每种原料的单位生产成本的因素。总体而言，这项研究发现，仅采用生物喷气发动机，在可能的采用率下就不足以实现航空减排目标。在高油价情景假设下，到2050年，与2005年的基准水平相比，温室气体排放量可以减少到55％至92％，中位数为74％。

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  • 来源
    《Environmental Science & Technology》 |2011年第21期|p.9133-9143|共11页
  • 作者

    Datu B. Agusdinata; Fu Zhao; Klein Ileleji; Dan DeLaurentis;

  • 作者单位

    System-of-Systems Laboratory, College of Engineering,Purdue University 701 West Stadium Avenue, West Lafayette, Indiana 47907, United States;

    School of Mechanical Engineering and Division of Environmental and Ecological Engineering,Purdue University 701 West Stadium Avenue, West Lafayette, Indiana 47907, United States;

    School of Agricultural and Biological Engineering,Purdue University 701 West Stadium Avenue, West Lafayette, Indiana 47907, United States;

    School of Aeronautics and Astronautics, Purdue University 701 West Stadium Avenue, West Lafayette, Indiana 47907, United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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