[1]姜美玲,孙向阳*,栾亚宁,等. 通过热重红外联用确定白皮松的热解过程和产物生成特性[J].西北林学院学报,2015,30(03):211-216.[doi:doi:10.3969/j.issn.1001-7461.2015.03.37]
　JIANG Mei-ling,SUN Xiang-yang*,LUAN Ya-ning,et al. Pyrolysis Process and Infrared Analysis of Pinus bungeana in Different Particle Sizes by TG-FTIR[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(03):211-216.[doi:doi:10.3969/j.issn.1001-7461.2015.03.37]
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 通过热重红外联用确定白皮松的热解过程和产物生成特性()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年03期
页码:
211-216
栏目:
出版日期:
2015-05-31

文章信息/Info

Title:
 Pyrolysis Process and Infrared Analysis of Pinus bungeana in Different Particle Sizes by TG-FTIR
文章编号:
1001-7461(2015)03-0211-06
作者:
 姜美玲1; 孙向阳1*; 栾亚宁1; 徐玉坤1; 曲萍2
 （1. 北京林业大学 林学院，北京 100083；2. 江苏省农业科学院，江苏 南京 210000）
Author(s):
 JIANG Mei-ling1;  SUN Xiang-yang1*;  LUAN Ya-ning1;  XU Yu-kun1;  QU Ping2
 (1. College of Forestry, Beijing Forestry University, Beijing 100083, China; 2. Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210000, China)
关键词:
 ; 白皮松; 粒径; 热解; 热红联用
Keywords:
Pinus bungeana;  particle size;  pyrolysis;  TG-FTIR
分类号:
S791.243
DOI:
doi:10.3969/j.issn.1001-7461.2015.03.37
文献标志码:
A
摘要:
 采用热重-傅里叶变换红外光谱联用技术，对不同粒径白皮松的热解红外过程进行了分析，以研究不同粒径白皮松在木醋液生成过程中存在的差异性。白皮松的热解过程分为4个阶段：第1阶段是在30℃~130℃时，主要是水分的消失，失重率较小，质量损失大约为6%；第2阶段是在130℃~200℃，木材热分解缓慢,主要是半纤维素及不稳定纤维素成分的热解，质量损失大概在2%；第3阶段是200℃~400℃，最大热解速率时的温度(峰温)约为365℃，该阶段失重约64%，主要是由于纤维素的分解和燃烧；剩余部分则在第4阶段400℃以后，主要是木质素的热分解，以及碳化的纤维素分解。从白皮松的红外三维谱图可以发现，白皮松颗粒热分解过程中在200、525、830、1 100 s及1 420 s时有较高的吸光度。粒径越小的白皮松热分解越彻底，粒径较小其热分解较快，粒径为1.0 mm以上对热分解的影响较小，木醋液的生成在主热解阶段持续到炭化阶段。
Abstract:
 The pyrolysis process and related products of Pinus bungeana with different particle sizes were examined by TG-FTIR technique. The results showed that the pyrolysis process could be divided into four stages: the first stage was from 30℃ to 130℃, which was the water losing process, the weight loss rate was smaller: about 6%. The second stage was from 130℃ to 200℃, the wood pyrolysis was slow, the hemicellulose and unstable cellulose were pyrolyzed in this stage, the mass loss was about 2%. The third stage was from 200℃ to 400℃, the maximum pyrolytic rate occurred at 365℃, the weight loss of this stage was about 64%, due to the decomposition and combustion of cellulose. The fourth stage was above 400℃，the stage of the pyrolysis of lignin and charring cellulose. FT-IR spectra demonstrated that P. bungeana had the higher absorbance in the process of thermal decomposition. The smaller the particle size was, the more thoroughly the pyrolysis occurred. Wood vinegar formation was in the main pyrolysis stage until charring stage.

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备注/Memo

备注/Memo:
 收稿日期：2014-08-14 修回日期：2014-10-10
基金项目：中央高校基本科研业务费专项资金（YX2013-09）；林业科学技术推广项目（[2012]39）。
作者简介：姜美玲，女，在读硕士，研究方向：土壤生态、植物营养。E-mail:jddzzh123@163.com
*通信作者：孙向阳,男，博士生导师，博士，研究方向：土壤生态、森林土壤、植物营养，E-mail:1206281403@qq.com
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