辽宁石油化工大学学报

辽宁石油化工大学学报 ›› 2020, Vol. 40 ›› Issue (6): 6-9.DOI: 10.3969/j.issn.1672-6952.2020.06.002

• 化学与化学工程 • 上一篇    下一篇

溶剂萃取米糠蜡及提取三十烷醇

孙蕊1丛玉凤1苏建1王常春1于鑫宇1姜子玉1刘春生2   

  1. 1.辽宁石油化工大学 石油化工学院,辽宁 抚顺 113001; 2.抚顺金泰农业科技有限公司,辽宁 抚顺113000
  • 收稿日期:2019-07-17 修回日期:2019-09-18 出版日期:2020-12-25 发布日期:2020-12-30
  • 通讯作者: 丛玉凤(1965-),女,博士,教授,从事石油化学品的研制与开发方面的研究;E-mail:yufengcong02@163.com。
  • 作者简介:孙蕊(1998-),女,本科生,化学专业,从事天然蜡的提取及应用方面的研究;E-mail:1716850242@qq.com。
  • 基金资助:
    辽宁省自然科学基金项目(21040540590);辽宁石油化工大学大学生创新创业训练计划项目(20181014)。

Solvent Extraction of Rice Bran Wax and Extraction of Triacontanol

Sun Rui1Cong Yufeng1, Su Jian1Wang Changchun1Yu Xinyu1Jiang Ziyu1Liu Chunsheng2   

  1. 1.School of Petrochemical Engineering, Liaoning Shihua University, Fushun Liaoning 113001, China; 2.Fushun Jintai Agricultural Technology Co., Ltd., Fushun Liaoning 113000, China
  • Received:2019-07-17 Revised:2019-09-18 Published:2020-12-25 Online:2020-12-30

摘要: 以米糠为原料,溶剂萃取米糠蜡,精制后提取三十烷醇。考察溶剂、萃取温度、反应时间等因素对反应的影响,确定萃取条件;精制后,确定提取三十烷醇的最佳条件,并利用红外光谱对产物进行表征。结果表明,在异丁醇为萃取剂、异丁醇与米糠质量比为10、萃取温度为105 ℃、萃取时间为5 h的条件下,米糠蜡收率为1.0%~1.5%;精制后米糠蜡采用乙醇皂化,在皂化温度为55 ℃、反应时间为8 h、氢氧化钠浓度为3 mol/L、乙醇⁃氯化钙为提取液的条件下,三十烷醇收率为3.1%;红外谱图分析表明三十烷醇被提取,产品熔点为85.0~86.5 ℃。

关键词: 米糠蜡, 萃取, 三十烷醇

Abstract: The rice bran wax was firstly extracted by solvent from rice bran, and triacontanol was thenextracted after refining. The extraction conditions were determined through the investigation of solvent type, extraction temperature, time and other factors. After refining, the optimum conditions for extracting triacontanol were determined, and the corresponding products were characterized by infrared spectroscopy. The experimental results show that the yield of crude rice bran wax is 1.0%~1.5% under the conditions of isobutanol as extractant, isobutanol/rice bran mass fraction ratio of 10, extraction temperature of 105 ℃ and extraction time of 5 h. In addition, the yield of refined rice bran wax is 3.1% under the conditions of saponification temperature 55 ℃, reaction time 8 h, sodium hydroxide concentration 3 mol/L and ethanol calcium chloride as extraction solution. The infrared spectrum analysis indicated that the melting point of the product is 85.0~86.5 ℃.

Key words: Rice bran wax, Extraction, Rtriacontanol

引用本文

孙蕊, 丛玉凤, 苏建, 王常春, 于鑫宇, 姜子玉, 刘春生. 溶剂萃取米糠蜡及提取三十烷醇[J]. 辽宁石油化工大学学报, 2020, 40(6): 6-9.

Sun Rui, Cong Yufeng, Su Jian, Wang Changchun, Yu Xinyu, Jiang Ziyu, Liu Chunsheng. Solvent Extraction of Rice Bran Wax and Extraction of Triacontanol[J]. Journal of Liaoning Petrochemical University, 2020, 40(6): 6-9.

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