Selective Lignin Oxidation towards Vanillin in Phenol Media

被引：33
|
作者：
Luo, Jizhong [1 ]
Melissa, Prawirasatya [1 ]
Zhao, Wenguang [1 ]
Wang, Zhan [1 ]
Zhu, Yinghuai [1 ]
机构：
[1] Inst Chem & Engn Sci, 1 Pesek Rd, Jurong Isl 627833, Singapore
来源：
CHEMISTRYSELECT | 2016年 / 1卷 / 15期
关键词：
lignin; phenol; rhenium oxide; selective oxidation; vanillin; SUPPORTED RE CATALYSTS; XPS; HYDRODEOXYGENATION; 2-METHOXYPHENOL; SYRINGALDEHYDE; CHEMICALS; KINETICS; STATE;
D O I：
10.1002/slct.201600758
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Selective lignin oxidation reaction to produce vanillin was carried out in phenol media with a catalyst of Upsilon-Al2O3 supported ReOx nanoparticles. A vanillin yield of 7.3wt% was achieved under moderate reaction conditions of (1208 degrees C and 2 bar oxygen) according to GC ananlysis. The vanillin selectivity is higher than 95.0%. The catalyst could be separated conveniently from the product mixture and re-used with sustainable activity in the processes.
引用
收藏
页码：4596 / 4601
页数：6
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