Insights into the effect of the catalytic functions on selective production of ethylene glycol from lignocellulosic biomass over carbon supported ruthenium and tungsten catalysts

被引：46
作者：
Ribeiro, Lucilia Sousa [1 ]
Melo Orfao, Jose J. [1 ]
Ribeiro Pereira, Manuel Fernando [1 ]
机构：
[1] Univ Porto, Fac Engn, Dept Engn Quim, Lab Proc Separacao & Reacao,LSRE,LCM, Rua Dr Roberto Frias, P-4200465 Porto, Portugal
来源：
BIORESOURCE TECHNOLOGY | 2018年 / 263卷
关键词：
Lignocellulosic biomass; Hydrolytic hydrogenation; Ethylene glycol; Multi-walled carbon nanotubes; Surface chemistry; DIRECT CONVERSION; SUGAR ALCOHOLS; CELLULOSE; CHEMICALS; SORBITOL; HEMICELLULOSE; DECOMPOSITION; WO3;
D O I：
10.1016/j.biortech.2018.05.034
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The one-pot conversion of cellulose to ethylene glycol (EG) was investigated using a combination of a ruthenium catalyst supported on carbon nanotubes modified with nitric acid (Ru/CNT1) and a tungsten catalyst supported on commercial non-treated carbon nanotubes (W/CNT0). This physical mixture allowed to obtain an EG yield of 41% in just 5 h at 205 degrees C and 50 bar of H-2, which overcame the result obtained using a Ru-W bimetallic catalyst supported on commercial carbon nanotubes (35%) under the same conditions. Tissue paper, a potential waste cellulosic material, and eucalyptus were also tested under the same conditions and EG yields of 34 and 36%, respectively, were attained over the aforementioned catalytic physical mixture. To the best of our knowledge, this work presents for the first time the catalytic conversion of lignocellulosic materials, namely tissue paper and eucalyptus, directly into EG by an environmentally friendly process.
引用
收藏
页码：402 / 409
页数：8
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