Catalytic conversion of cellulose into ethylene glycol over supported carbide catalysts

被引：170

作者：

Ji, Na ^{[1
,2
]}

Zhang, Tao ^{[1
]}

Zheng, Mingyuan ^{[1
]}

Wang, Aiqin ^{[1
]}

Wang, Hui ^{[1
,2
]}

Wang, Xiaodong ^{[1
]}

Shu, Yuying ^{[1
]}

Stottlemyer, Alan L. ^{[3
]}

Chen, Jingguang G. ^{[3
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

[3] Univ Delaware, Dept Chem Engn, CCST, Newark, DE 19716 USA

来源：

CATALYSIS TODAY | 2009年 / 147卷 / 02期

基金：

中国国家自然科学基金; 美国能源部;

关键词：

Biofuels; Catalysis; Cellulose; Sustainable chemistry; Tungsten carbides; TRANSITION-METAL CARBIDES; HYDRAZINE DECOMPOSITION; TUNGSTEN CARBIDE; SURFACE SCIENCE; HYDROLYSIS; CARBON; MOLYBDENUM; METHANOL; WATER; ELECTROCATALYSTS;

D O I：

10.1016/j.cattod.2009.03.012

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In the current paper we present a combined catalytic and surface science studies to evaluate the utilization of carbide catalysts for the conversion of cellulose to polyols, especially to ethylene glycol (EG). Based on catalytic studies over a W(2)C catalyst, the EG yield has been optimized by varying H(2) pressure, reaction temperature and time. The catalytic performance has been compared for several types of supported catalysts, including tungsten carbides, molybdenum carbides and platinum on different supports. Among all the catalysts, tungsten carbide supported on activated carbon, W(2)C/AC, shows the highest EG yield, which is further enhanced to 61% with the promotion of Ni. The corresponding surface science studies indicate that the enhanced EG yield is at least partially due to a weaker bonding between EG and Ni-promoted tungsten carbide surface. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：77 / 85

页数：9

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