Enhancement of biomass conversion in catalytic fast pyrolysis by microwave-assisted formic acid pretreatment

被引：50
|
作者：
Feng, Yu [1 ,2 ]
Li, Guangyu [2 ]
Li, Xiangyu [2 ]
Zhu, Ning [2 ,3 ]
Xiao, Bo [3 ]
Li, Jian [4 ]
Wang, Yujue [2 ]
机构：
[1] Beijing Municipal Res Inst Environm Protect, Solid Waste Management Div, Beijing 100037, Peoples R China
[2] Tsinghua Univ, Sch Environm, Key Lab Solid Waste Management & Environm Safety, Beijing 100084, Peoples R China
[3] Huazhong Univ Sci & Technol, Sch Environm Sci & Engn, Wuhan 430074, Peoples R China
[4] Gannan Normal Univ, Coll Chem & Chem Engn, Ganzhou 341000, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 214卷
基金：
中国国家自然科学基金;
关键词：
Microwave; Formic acid; Lignocellulose; Catalytic fast pyrolysis; Pretreatment; LOW-DENSITY POLYETHYLENE; LIGNOCELLULOSIC BIOMASS; SUGARCANE BAGASSE; WHEAT-STRAW; PY-GC/MS; CELLULOSE; ZEOLITES; LIGNIN; CHEMICALS; HYDROCARBONS;
D O I：
10.1016/j.biortech.2016.04.137
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
This study investigated microwave-assisted formic acid (MW-FA) pretreatment as a possible way to improve aromatic production from catalytic fast pyrolysis (CFP) of lignocellulosic biomass. Results showed that short duration of MW-FA pretreatment (5-10 min) could effectively disrupt the recalcitrant structure of beech wood and selectively remove its hemicellulose and lignin components. This increased the accessibility of cellulose component of biomass to subsequent thermal conversion in CFP. Consequently, the MW-FA pretreated beech wood produced 14.0-28.3% higher yields (26.4-29.8 C%) for valuable aromatic products in CFP than the untreated control (23.2 C%). In addition, the yields of undesired solid residue (char/coke) decreased from 33.1 C% for the untreated control to 28.6-29.8 C% for the MW-FA pretreated samples. These results demonstrate that MW-FA pretreatment can provide an effective way to improve the product distribution from CFP of lignocellulose. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：520 / 527
页数：8
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