ZHANG Qiu-yun,WU Zu-zhi,WANG Yi-jie,et al.Synthesis of Biodiesel by KF/CuAl-LDOs Solid Base[J].Soybean Science,2011,30(05):861-864.[doi:10.11861/j.issn.1000-9841.2011.05.0861]
固体碱KF/CuAl-LDOs催化制备生物柴油工艺的研究
- Title:
- Synthesis of Biodiesel by KF/CuAl-LDOs Solid Base
- 文章编号:
- 1000-9841（2011）05-0861-04
- Keywords:
- Solid base; Soybean; Transesterification; Biodiesel
- 分类号:
- TQ645.1
- 文献标志码:
- A
- 摘要:
- 采用共沉淀法合成铜铝水滑石，并以此为载体负载氟化钾(KF)制备了负载型铜铝水滑石催化剂(KF/CuAl-LDOs)，用于大豆油酯交换制备生物柴油。考察了铜铝摩尔比、催化剂用量、KF负载量、醇油摩尔比、反应温度和反应时间等因素对该反应的影响，通过正交试验得到了反应的最佳条件:铜-铝摩尔比为3∶1，催化剂用量为3%，KF负载量为40%，醇油摩尔比9∶1，反应温度为70℃，反应时间1 h，此工艺条件下制备的生物柴油产率可达97.4%。
- Abstract:
- Cu-Al hydrotalcite was prepared by conventional co-precipitate method,and then loaded various amounts of KF on it as catalysts.The series of catalysts were used to synthetize biodiesel by the transesterification of soybean oil with methanol.The molar ratio of Cu-Al,catalyst dosage,KF load,methanol to oil molar ratio,reaction temperature and time in the reaction process were studied.The results showed that the optimal conditions of transesterification were as follows:molar ratio of Cu-Al with 3∶1,the amount of catalyst with 3%,the load of KF with 40%,the ratio of alcohol and oil with 9∶1,reacted at 70℃ for 1 h,the biodiesel yield up to 97.4%.
参考文献/References:
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备注/Memo
基金项目：贵州大学创新实验区建设资助项目；国家大学生创新性实验计划资助项目(091065728)。