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Emergy Analysis and Sustainability Efficiency Analysis of Different Crop-Based Biodiesel in Life Cycle Perspective

机译:生命周期视角下不同农作物生物柴油的能值分析和可持续性效率分析

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摘要

Biodiesel as a promising alternative energy resource has been a hot spot in chemical engineering nowadays, but there is also an argument about the sustainability of biodiesel. In order to analyze the sustainability of biodiesel production systems and select the most sustainable scenario, various kinds of crop-based biodiesel including soybean-, rapeseed-, sunflower-, jatropha- and palm-based biodiesel production options are studied by emergy analysis; soybean-based scenario is recognized as the most sustainable scenario that should be chosen for further study in China. DEA method is used to evaluate the sustainability efficiencies of these options, and the biodiesel production systems based on soybean, sunflower, and palm are considered as DEA efficient, whereas rapeseed-based and jatropha-based scenarios are needed to be improved, and the improved methods have also been specified.
机译:如今,生物柴油作为一种有前途的替代能源一直是化学工程领域的热点,但也有人质疑生物柴油的可持续性。为了分析生物柴油生产系统的可持续性并选择最可持续的方案,通过能值分析研究了各种基于作物的生物柴油,包括大豆,油菜籽,向日葵,麻风树和棕榈基生物柴油的生产方案。以大豆为基础的情景被认为是应该在中国进行进一步研究的最可持续的情景。 DEA方法用于评估这些方案的可持续性效率,以大豆,向日葵和棕榈为基础的生物柴油生产系统被认为是DEA高效的,而油菜籽和麻疯树的情景则需要改进,并且需要改进还指定了方法。

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