Catalytic Upgrading of Switchgrass-Derived Pyrolysis Oil Using Supported Ruthenium and Rhodium Catalysts

被引：11
作者：
Nan, W. [1 ]
Krishna, C. R. [2 ]
Kim, T-J. [1 ]
Wang, L. J. [3 ]
Mahajan, D. [1 ,2 ]
机构：
[1] SUNY Stony Brook, Dept Mat Sci & Engn, Stony Brook, NY 11794 USA
[2] Brookhaven Natl Lab, Sustainable Energy Technol Dept, Upton, NY 11973 USA
[3] North Carolina Agr & Tech State Univ, Dept Nat Resources & Environm Design, Greensboro, NC 27411 USA
来源：
ENERGY & FUELS | 2014年 / 28卷 / 07期
基金：
美国国家科学基金会;
关键词：
BIO-OIL; BIOMASS; GC/MS; GAS;
D O I：
10.1021/ef500826k
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Upgrading of fast pyrolysis oils produced from swtichgrass was carried out using 5 wt 96 Ru and 5 wt % Rh on a carbon support as catalysts slurried in a polyethylene glycol solvent in a 300 mL Parr batch reactor in the presence of hydrogen. A hydrodeoxygenation (HDO) reaction was evaluated in the temperature range of 200-280 degrees C under hydrogen pressure of 300-1000 psig. The raw pyrolysis oil and the upgraded products were characterized by gas chromatography (GC), gas chromatography/mass spectrometry (GC/MS), and Fourier transform infrared spectroscopy (FTIR) techniques to establish the effectiveness of the hydrogenation process. With Ru/C at 280 degrees C and 1000 psig, the GC/MS data showed the absence of acetic acid and the principal liquid product slate included alcohols, hydrocarbons, cyclic compounds, and phenolics at a relative concentration of 5.2, 21.2, 3.8, and 35.7%, respectively.
引用
收藏
页码：4588 / 4595
页数：8
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