松木预处理温度对生物油特性的影响

郑安庆; 赵增立; 江洪明; 张伟; 常胜; 吴文强; 李海滨

松木预处理温度对生物油特性的影响

郑安庆¹,
赵增立^1,,
江洪明^1,2,
张伟^1,2,
常胜^1,2,
吴文强^1,2,
李海滨¹

1.
中国科学院广州能源研究所中国科学院可再生能源与天然气水合物重点实验室, 广东广州 510640;
2.
中国科学院研究生院, 北京 100049

基金项目: 国家高技术研究发展计划 (863计划, 2007AA05Z456)。

详细信息

作者简介:
郑安庆(1984- ), 男, 安徽桐城人, 硕士, 助理研究员, 主要从事煤、生物质热利用研究。

通讯作者:
赵增立, E-mail:zhaozl@ms.giec.ac.cn。

中图分类号: TK6
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出版历程
- 收稿日期: 2011-01-08
- 修回日期: 2011-03-27
- 刊出日期: 2012-01-31

Effect of pretreatment temperature of pine on bio-oil characteristics

1.
Key Laboratory of Renewable Energy and Gas Hydrate of Chinese Academy of Sciences, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
2.
Graduate University of Chinese Academy of Sciences, Beijing 100049, China

摘要

摘要: 通过螺旋反应器低温预处理除去松木中的半纤维素和水分,然后用预处理得到的固体残渣来快速热解制生物油。固体残渣的化学组成分析和红外光谱分析表明,由于木质素含量的增加和炭化反应的发生,生物油的产率降低、焦和不可冷凝气的产率增加。随着预处理温度的升高,生物油水分含量减少,高位热值增加,运动黏度增加,密度增加,pH值先升高后降低,固体颗粒物含量增加。核磁共振碳谱分析表明,生物油的脂肪碳含量减少,芳香碳含量增加,芳香度增加。
- 松木 /
- 低温预处理 /
- 生物油:核磁共振
Abstract: Hemicellulose can produce more acid content than cellulose and lignin via pyrolysis. This work reduced the hemicellulose and water content of pine via low temperature pretreatment to improve the bio-oil quality. The chemical composition and FT-IR analysis of pine after pretreatment show that the lignin content increases and the carbonization of pine takes place, which results in the decrease of bio-oil yield and the increase in yield of char and no-condensed gas. With increasing pretreatment temperature, the important characteristics of the bio-oil, such as water content, high heating value, kinematic viscosity, and density all increase, and solid particles content decreases, while pH value decreases after an initial increase. The ¹³C nuclear magnetic resonance (NMR) show that the aliphatic carbon of bio-oil decreases, while the aromatic and the aromaticity increases.
- pine /
- low temperature pretreatment /
- bio-oil

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参考文献(19)

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