| 超声强化氢氧化钾催化大豆油酯交换制备生物柴油的工艺条件研究 |
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| 引用本文： | 崔晓亮,黄辉.超声强化氢氧化钾催化大豆油酯交换制备生物柴油的工艺条件研究[J].宁波工程学院学报,2014(3):38-42. |
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| 作者姓名： | 崔晓亮 黄辉 |
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| 作者单位： | 宁波工程学院,浙江宁波315016 |
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| 基金项目： | 宁波市教育科学规划课题成果（项目编号：YGH032）;“王伟明助创基金”资助项目. |
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| 摘 要： | 本文以固体碱氢氧化钾催化大豆油酯交换制备生物柴油的转化率为指标,考察了在超声强化条件下反应时间、反应温度、醇油摩尔比、催化剂用量对生物柴油转化率的影响,并与常规的机械搅拌条件进行了比较,采用正交试验法优化了反应工艺条件。研究结果表明,超声强化下,大豆油酯交换反应的最佳反应条件为:反应温度65℃、反应时间50min、醇油摩尔比7:1、催化剂用量1.1wt%。在此条件下,转化率高达99.59%。
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| 关 键 词： | 正交试验 大豆油 生物柴油 超声 |
KOH Catalyzed Transesterification of Soybean Oil for Biodiesel Production by Ultrasonic Irradiation |
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| CUI Xiao- liang,HUANG Hui.KOH Catalyzed Transesterification of Soybean Oil for Biodiesel Production by Ultrasonic Irradiation[J].Journal of Ningbo University of Technology,2014(3):38-42. |
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| Authors: | CUI Xiao- liang HUANG Hui |
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| Affiliation: | (Ningbo University of Technology, Ningbo Zhejiang 315016, China) |
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| Abstract: | In this paper, solid base catalyst of KOH is used for soybean oil transesterification to prepare biodiesel. The effects of mole ratio of alcohol to oil, catalyst dose, reaction temperature and reaction time on the conversion of soybean oil are studied in the ultrasonic irradiation condition by single factor experiments and compared with that of mechanical stirring. Orthogonal test is employed for the optimum reaction condition. The result indicates that the highest conversion of 99.59% could be obtained at the reaction temperature of 65 ℃, molar ratio of methanol to oil of 7：1, catalyst dose of 1.1 wt% and reaction time of 50 minutes. |
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| Keywords: | orthogonal soybean oil biodiesel ultrasonic wave |
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