Brønsted双核碱性离子液体的合成及其在制备生物柴油过程中的催化性能

王璐璐 王吉林 封瑞江 张扬 张帆

引用本文: 王璐璐, 王吉林, 封瑞江, 张扬, 张帆. Brønsted双核碱性离子液体的合成及其在制备生物柴油过程中的催化性能[J]. 燃料化学学报, 2015, 43(1): 59-64. shu
Citation:  WANG Lu-lu, WANG Ji-lin, FENG Rui-jiang, ZHANG Yang, ZHANG Fan. Synthesis of Brønsted dicationic basic ionic liquid and its catalytic activity for biodiesel production[J]. Journal of Fuel Chemistry and Technology, 2015, 43(1): 59-64. shu

Brønsted双核碱性离子液体的合成及其在制备生物柴油过程中的催化性能

    通讯作者: 王吉林,Tel:024-56860869,E-mail:wangjilin1978@163.com.
  • 基金项目:

    辽宁省科技厅博士启动项目(20141126) (20141126)

    辽宁省教育厅科学研究一般项目(L2013153) (L2013153)

    辽宁石油化工大学博士启动基金(2013XJJ-006). (2013XJJ-006)

摘要:N-甲基吗啡啉和1,4-二溴丁烷为原料,通过两步法合成了新型Brønsted碱性双核离子液体.分别采用1H-NMR、FT-IR和元素分析对合成的离子液体进行结构分析;采用TGA测试离子液体的热稳定性;同时测定了离子液体的溶解性和碱性.此外,考察了双核碱性离子液体在大豆油和甲醇酯交换反应中的催化活性.结果表明,当甲醇:大豆油=14:1(物质的量比)、离子液体用量为大豆油质量的5%、反应时间5 h、反应温度60 ℃时、生物柴油收率为 95.6%(质量分数),且离子液体经回收、真空干燥,重复使用6次后催化活性没有明显降低,仍能达到94%以上.

English

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  • 收稿日期:  2014-07-31
  • 网络出版日期:  2014-10-08
通讯作者: 陈斌, bchen63@163.com
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