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首页> 外文期刊>ACS Sustainable Chemistry & Engineering >Life Cycle Assessment of Polyol Fuel from Corn Stover via Fast Pyrolysis and Upgrading
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Life Cycle Assessment of Polyol Fuel from Corn Stover via Fast Pyrolysis and Upgrading

机译：通过快速热解和升级，玉米秸秆中多元醇燃料的生命周期评估

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摘要

The purpose of this study is to evaluate the fossil energy consumption and the greenhouse gas (GHG) emissions of polyol fuel produced via corn stover fast pyrolysis and bio-oil upgrading based on life cycle assessment (LCA). The required material and energy inputs involved in the unit processes of LCA are taken from Aspen Plus simulation models established according to a demonstration plant with annual polyol output of 1000 tonnes. The eBalance software with a Chinese Life Cycle Database (CLCD) is employed to perform this task. The research results show the net fossil energy input (FEI) and the net global warming potential (GWP) of polyol fuel are respectively 0.760 MJ and 0.0111 kgCO(2,eq) per MJ energy output under the proposed production pathway. Compared to petroleum-based gasoline and diesel, the net FEI of polyol fuel reduces by 42.9% and 42.2% respectively and the net GWP of polyol fuel decreases by 55.1% and 56.9% accordingly. Sensitivity analysis indicates the data uncertainty of the polyol yield and the electricity consumption for bio-oil production has significant impact on the GHG emissions. The polyol fuel is expected to partly replace petroleum-based fuels.
机译：本研究的目的是评估通过基于生命周期评估（LCA）产生的通过玉米秸秆快速热解和生物油升级产生的多元醇燃料的温室气体（GHG）排放。涉及LCA的单位过程所需的材料和能量输入取自ASPEN Plus仿真模型，根据演示厂建立的，年多元醇产量1000吨。使用中文生命周期数据库（CLCD）的ebalance软件用于执行此任务。研究结果显示了净化石能量输入（FEI）和多元醇燃料的净全球变暖潜力（GWP）分别为0.760 MJ和0.0111 kgco（2，eq）根据所提出的生产途径。与石油基汽油和柴油相比，多元醇燃料的净FEI分别降低了42.9％和42.2％，多元醇燃料的净GWP相应降低55.1％和56.9％。敏感性分析表明多元醇产量的数据不确定度和生物油产量的电力消耗对温室气体排放产生了重大影响。预计多元醇燃料将部分取代石油基燃料。

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  • 来源
  • 作者

    Heng Lijun; Zhang Huiyan; Xiao Jun; Xiao Rui;

  • 作者单位

    Southeast Univ Sch Energy &

    Environm Minist Educ Key Lab Energy Thermal Convers &

    Control 2 Xuefu Rd Nanjing 210096 Jiangsu Peoples R China;

    Southeast Univ Sch Energy &

    Environm Minist Educ Key Lab Energy Thermal Convers &

    Control 2 Xuefu Rd Nanjing 210096 Jiangsu Peoples R China;

    Southeast Univ Sch Energy &

    Environm Minist Educ Key Lab Energy Thermal Convers &

    Control 2 Xuefu Rd Nanjing 210096 Jiangsu Peoples R China;

    Southeast Univ Sch Energy &

    Environm Minist Educ Key Lab Energy Thermal Convers &

    Control 2 Xuefu Rd Nanjing 210096 Jiangsu Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    Life cycle assessment; Polyol fuel; Bio-oil upgrading; Fossil energy input; Global warming potential;

    机译：生命周期评估;多元醇燃料;生物油升级;化石能量输入;全球变暖潜力;

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