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当前位置: 首页 > 文章 > 桐油转化生物柴油的研究 西北农林科技大学学报(自然科学版) 2007,35 (11) 176-180
Position: Home > Articles > Preparation of biodiesel oil from Tong oil Journal of Northwest A & F University(Natural Science Edition) 2007,35 (11) 176-180

桐油转化生物柴油的研究

作  者：
赵伟;刘拉平;杨健;马养民;周乐
单  位：
西北农林科技大学理学院;西北农林科技大学食品科学与工程学院;陕西科技大学化学与化工学院;西北农林科技大学生命科学学院
关键词：
桐油;生物柴油;酯交换反应;脂肪酸;油脂
摘  要：
为了考察桐油制备生物柴油的可行性,分析了桐油的脂肪酸成分,研究了桐油转化生物柴油的工艺条件,并测定了桐油生物柴油的主要性能指标。结果表明,桐油的平均相对分子质量为927.32,其主要成分为含有18个碳的不饱和脂肪酸,其中α-桐酸是其脂肪酸的主要成分(75.033%)。酯交换法制备桐油生物柴油的最佳工艺条件为:甲醇与桐油的摩尔比6∶1,催化剂用量为桐油质量的1.0%,反应温度30℃,反应时间20 min,平均转化率为82.8%。在此最佳条件下制备的桐油生物柴油的主要性能指标,除运动粘度、酸值较高外,基本符合0#矿物柴油标准。
译  名：
Preparation of biodiesel oil from Tong oil
作  者：
ZHAO Wei1a,LIU La-ping1b,YANG Jian1a,MA Yang-min2,ZHOU Le1c(1 a College of Life Sciences,b College of Food Science and Engineering,c College of Sciences,Northwest A & F University,Yangling,Shaanxi 712100,China;2 School of Chemistry and Engineering,Shaanxi University of Science & Technology,Xi'an,Shaanxi 710021,China)
关键词：
Tong oil;biodiesel;transesterification reaction;fatty acid;lipid
摘  要：
In order to examine the possibility of preparation of biodiesel oil from Tong oil,the composition of fatty acids in Tong oil was analyzed,the orthogonal test of the transesterification reaction of Tong oil was studied,and the property of biodiesel oil from Tong oil was determined.The results indicated that the average molecule weight of Tong oil was 927.32,and its molecule mainly contains unsaturated fatty acid with 18 carbon atoms,of which α-elaeostearic acid was a dominant composition(75.033%)of total fatty acid.The best conditions for preparation of biodiesel oil from Tong oil by means of transesterification were as follows:reaction temperature was 30 ℃;the mole ratio of methanol to Tong oil was 6∶1;the catalyst dosage was 1.0% of Tong oil weight,and the reaction time was 20 min.Main properties of the biodiesel from Tong oil were comparable with that of No.0 diesel oil except for a higher viscosity and acid value.

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