Effects of four types of dilute acid washing on moso bamboo pyrolysis using Py-GC/MS

被引：96

作者：

Dong, Qing ^{[1
]}

Zhang, Shuping ^{[1
]}

Zhang, Li ^{[1
]}

Ding, Kuan ^{[1
]}

Xiong, Yuanquan ^{[1
]}

机构：

[1] Southeast Univ, Sch Energy & Environm, Minist Educ, Key Lab Energy Thermal Convers & Control, Nanjing 210096, Jiangsu, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2015年 / 185卷

基金：

中国国家自然科学基金;

关键词：

Py-GC/MS; Pyrolysis; Acid washing; Moso bamboo; BIO-OIL; THERMOCHEMICAL CONVERSION; MINERAL MATTER; BIOMASS; BEHAVIOR; PRETREATMENT; PRODUCTS; SAWDUST; LIGNIN; STRAW;

D O I：

10.1016/j.biortech.2015.02.076

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The influences of four types of dilute acid washing (H2SO4, HCl, HF, HNO3) on moso bamboo pyrolysis were investigated via pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS). The effects of acid washings on the inorganics contents and the chemical structure were also analyzed. The results indicated that all the acid washings could effectively remove a large portion of inorganics and disrupt the chemical structure to a certain extent. HCl-washing behaved the best in removing inorganics and had the most marked disruption effect on bamboo structure. Acid washings promoted the bamboo pyrolysis and increased the contents of both phenols and sugars. HCl-washing had the most significant promotion effect on the levoglucosan formation with the absolute peak area increasing from 8.12 x 10(8) to 1.92 x 10(9). The absolute peak areas of 2,3-dihydrobenzofuran decreased more or less after acid washings. All the acid washings except H2SO4-washing could significantly increase the absolute peak area of methoxyeugenol. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：62 / 69

页数：8

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