Biofuel production from catalytic microwave pyrolysis of Douglas fir pellets over ferrum-modified activated carbon catalyst

被引：42
|
作者：
Bu, Quan [1 ]
Lei, Hanwu [1 ]
Wang, Lu [1 ]
Yadavalli, Gayatri [1 ]
Wei, Yi [1 ]
Zhang, Xuesong [1 ]
Zhu, Lei [1 ]
Liu, Yupeng [1 ]
机构：
[1] Washington State Univ, Dept Biol Syst Engn, Bioprod Sci & Engn Lab, Richland, WA 99354 USA
来源：
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2015年 / 112卷
关键词：
Catalytic pyrolysis; Activated carbon; Upgrading; Bio-oil; Reaction mechanism; BIO-OIL; BIOMASS; HYDRODEOXYGENATION; PHENOLS; LIGNIN; FUELS;
D O I：
10.1016/j.jaap.2015.02.019
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The presented study aims to improve the quality of bio-oils by catalytic upgrading of bio-oil from microwave pyrolysis of Douglas fir pellet using transition metal modified activated carbon (AC) catalyst. A central composite experimental design (CCD) was used to optimize the reaction conditions for high quality bio-oil production. The effects of reaction temperature and reaction time on product yields were inVestigated. GC/MS analysis indicated that the main chemical compounds (including furans, phenols, guaiacols, and ketones/ethers) of bio-oils were in the range of 80-87% of bin-oils for most of the samples. The ketones/ethers were mainly composed of 2-cyclopen-1-one; straight chain ethers were increased up to about 38% of bio-oil; and the phenols increased from 2.5% to about 10% of the bin-oils after upgrading accompanying with the decrease of guaiacols in comparison with raw biomass pyrolysis. The reaction mechanism of this process was analyzed. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：74 / 79
页数：6
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