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大豆科学  2008 

大豆油甲酯-柴油混合燃料特性研究

DOI: 10.11861/j.issn.1000-9841.2008.06.1045, PP. 1045-1048

Keywords: 生物柴油,大豆油甲酯,燃料特性,代用燃料,理化特性

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Abstract:

近年来,生物柴油作为一种无毒的、可生物降解的、可再生的柴油机代用燃料倍受关注。为优化生物柴油的应用,对比分析了大豆油甲酯生物柴油与柴油混合液的低温流动性、雾化和蒸发性、安定性、腐蚀性、清洁性和互溶性。结果表明:与柴油相比,B5、B10、B15、B20、B25和B30的凝点和冷滤点保持不变;闪点、20℃运动粘度、40℃运动粘度、密度和50%馏出温度分别平均增加26.8%、7.2%、10.8%、1.3%和12.6%,而90%和95%馏出温度基本不变;胶质和残碳分别平均增加62.3%和6.5%;硫含量平均降低15.7%,但酸度平均升高4.1%;灰分平均增加22.7%,但机械杂质平均降低13.7%。经分析,大豆油甲酯生物柴油与柴油混合液基本符合国家标准GB252-2000对轻柴油的要求。

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