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

页码：4596 / 4601

页数：6

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