期刊
JOURNAL OF WOOD SCIENCE
卷 56, 期 4, 页码 319-330出版社
SPRINGER TOKYO
DOI: 10.1007/s10086-009-1097-2
关键词
Pyrolysis; Secondary reaction; Hardwood; Softwood; Tar composition; Char reactivity
资金
- Kyoto University
- [203801035007]
- [2008 4-2011 3]
The chemical structures of hemicellulose and lignin are different for two distinct types of wood, i.e., softwood and hardwood. Such differences are expected to affect pyrolysis behavior. In this article, the differences are discussed for Japanese cedar wood (a softwood) and Japanese beech wood (a hardwood) pyrolyzed in a closed ampoule reactor (N(2)/600 degrees C/40-600 s). Oven-dried samples were used to eliminate the influence of initial water. Demineralized samples (prepared by acid washing) were also used to determine the influence of the minerals contained in the wood samples. As a result, some features were disclosed for secondary char (coke) formation, char reactivity, tar formation, and subsequent decomposition.
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