木质素酚类单体化合物制备烷烃燃料

戴楠; 杨珍; 黄耀兵; 傅尧

木质素酚类单体化合物制备烷烃燃料

戴楠^1,2,
杨珍¹,
黄耀兵¹,
傅尧^1,2,

1.
中国科学技术大学化学系, 安徽省生物质洁净能源重点实验室, 安徽合肥 230026;
2.
能源材料化学协同创新中心, 福建厦门 361005

基金项目: 国家重点基础研究发展规划(973计划, 2012CB215306,2013CB228103); 国家自然科学基金(21325208,21361140372,21172209); 教育部中央高校基本科研业务费专项(WK2060190025); 高等学校博士点基金(20123402130008)、中国科学院基金(KJSTBZ2-EW-J02); 霍英东教育基金资助.

详细信息

通讯作者:
傅尧,E-mail:fuyao@ustc.edu.cn.

中图分类号: TQ6
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- 被引次数: 0
出版历程
- 收稿日期: 2014-06-30
- 修回日期: 2014-09-27
- 刊出日期: 2015-01-30

Preparation of liquid fuel from lignin phenolic monomers

DAI Nan^1,2,
YANG Zhen¹,
HUANG Yao-bing¹,
FU Yao^{1,2
,}

1.
Department of Chemistry, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China;
2.
Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen 361005, China

摘要

摘要: 通过引入中间小分子化合物,采用傅克烷基化反应,实现了从木质素酚类单体化合物制备长链烷烃燃料.考察了催化剂、醛酮类小分子化合物、反应时间、反应温度、物料比、底物等条件对从木质素酚类单体制备二聚体反应结果的影响,并对得到的木质素酚类二聚体产物进一步加氢还原,得到C_13~19烷烃燃料.结果表明,当物料比n(木质素酚类单体)/n(醛酮类中间小分子)为15:3,以Amberlyst-15为酸性催化剂,在100 ℃的条件下,反应24 h,可以得到68%产率的二聚体化合物(当底物是愈创木酚和丙醛时).将得到的二聚体化合物在270 ℃,4 MPa H₂的不锈钢反应釜中进行加氢反应,3 h后,二聚体化合物完全转化为液体烷烃.提出从木质素单体出发通过引入中间小分子,实现C-C链增长来制备烷烃燃料的合成路线,为木质素的开发和应用提出了新思路与实验基础.
- 木质素 /
- 愈创木酚 /
- 傅克烷基化 /
- 烷烃燃料
Abstract: Long-chain alkanes fuel were produced from lignin deploymerization model compounds by introducing small intermediate molecules through Friedel-Crafts alkylation and subsequent hydrogenation. The effect of catalyst, small intermediate molecules, temperature, reaction time, feed mixture ratio, and raw materials on the conversion of the lignin phenolic monomers to dimmers was investigated; after that, the C_13~19 alkanes fuel was obtained by hydrogenating the lignin phenolic dimers. The results showed that over Amberlyst-15 catalyst, with a n(guaiacol)/n(small intermediate molecules) ratio of 15:3, after reaction under 100 ℃ for 24 h, the yield of lignin phenolic dimers products reaches 68%; the lignin phenolic dimers can be further converted to alkanes completely through hydrogenation. Such a route for producing long-chain fuel may provide a new alternative for the utilization of lignin.
- lignin /
- guaiacol /
- Friedel-Crafts alkylation /
- alkanes fuel

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