One pot direct catalytic conversion of cellulose to C3 and C4 hydrocarbons using Pt/H-USY zeolite catalyst at low temperature

被引：11
|
作者：
Ogo, Shuhei [1 ]
Nishio, Taku [1 ]
Sekine, Hikaru [1 ]
Onda, Ayumu [2 ]
Sekine, Yasushi [1 ]
机构：
[1] Waseda Univ, Dept Appl Chem, Shinjuku Ku, Tokyo 1698555, Japan
[2] Kochi Univ, Fac Sci, Res Lab Hydrothermal Chem, Kochi 7808073, Japan
来源：
FUEL PROCESSING TECHNOLOGY | 2016年 / 141卷
关键词：
Pt/H-USY; Light hydrocarbons; Cellulose; C-3-C-4; olefins; Hydrothermal reaction; AQUEOUS-PHASE HYDRODEOXYGENATION; LIQUID ALKANES; LEVULINIC ACID; LACTIC-ACID; GLUCOSE; HYDROLYSIS; SUGAR; SORBITOL; GASOLINE; HYDROGENATION;
D O I：
10.1016/j.fuproc.2015.06.032
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
One-pot direct catalytic conversion of cellulose to light hydrocarbon at low temperature (443 K) in the presence of Pt-zeolite catalysts and water was investigated. Results revealed that Pt supported on H+-form ultra stable Y-type (H-USY) zeolite catalyst (Pt/H-USY) enabled direct conversion of cellulose into C-3 and C-4 hydrocarbons without hydrogen and other expensive reagents. This production trend is attributable to the bifunctional catalysis of supported Pt and acid site in H-USY zeolite, which has a large pore system and effective acidity. Results revealed that the pre-treatment of catalyst was important for selective olefin production. Air-oxidized Pt/H-USY catalyst showed higher olefin selectivity than the catalyst reduced with hydrogen. The Pt/H-USY catalysts showed high stability under the reaction condition. Results suggest that C-5 sugars were the reaction intermediate for the C-3 hydrocarbons, and C-6 sugars were the intermediate for C-4 hydrocarbon formation from cellulose over Pt/H-USY catalysts. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：123 / 129
页数：7
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