Bio-based phenols and fuel production from catalytic microwave pyrolysis of lignin by activated carbons

被引：158

作者：

Bu, Quan ^{[1
]}

Lei, Hanwu ^{[1
]}

Wang, Lu ^{[1
]}

Wei, Yi ^{[1
]}

Zhu, Lei ^{[1
]}

Zhang, Xuesong ^{[1
]}

Liu, Yupeng ^{[1
]}

Yadavalli, Gayatri ^{[1
]}

Tang, Juming ^{[1
]}

机构：

[1] Washington State Univ, Dept Syst Biol, Bioprod Sci & Engn Lab, Richland, WA 99354 USA

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 162卷

关键词：

Lignin; Catalytic pyrolysis; Activated carbon; Phenols; Reaction mechanism; ASSISTED PYROLYSIS; BIOMASS; CHEMISTRY; KINETICS; DEGRADATION; PELLETS; OIL;

D O I：

10.1016/j.biortech.2014.03.103

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The aim of this study is to explore catalytic microwave pyrolysis of lignin for renewable phenols and fuels using activated carbon (AC) as a catalyst. A central composite experimental design (CCD) was used to optimize the reaction condition. The effects of reaction temperature and weight hourly space velocity (WHSV, h (1)) on product yields were investigated. GC/MS analysis showed that the main chemical compounds of bio-oils were phenols, guaiacols, hydrocarbons and esters, most of which were ranged from 71% to 87% of the bio-oils depending on different reaction conditions. Bio-oils with high concentrations of phenol (45% in the bio-oil) were obtained. The calorific value analysis revealed that the high heating values (HHV) of the lignin-derived biochars were from 20.4 to 24.5 MJ/kg in comparison with raw lignin (19 MJ/kg). The reaction mechanism of this process was analyzed. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：142 / 147

页数：6

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