Thermochemical equilibrium analysis for wood pyrolysis

QIAN Hongliang; YANG Tingting; LIU Chang; FENG Xin; LU Xiaohua

doi:10.3969/j.issn.0438-1157.2014.05.010

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Thermochemical equilibrium analysis for wood pyrolysis

更新时间：2025-12-10

- Thermochemical equilibrium analysis for wood pyrolysis
- CIESC Journal Issue 5, (2014)
- 作者机构：
  
  1. 中国药科大学药学院,江苏,南京,210009
  2. 南京工业大学材料化学工程国家重点实验室,江苏,南京,210009
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.05.010
  CLC： Q013.1
- Online First：05 May 2014，
  
  Published：05 May 2014
- 稿件说明：
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QIAN Hongliang, YANG Tingting, LIU Chang, et al. Thermochemical equilibrium analysis for wood pyrolysis[J]. CIESC Journal, 2014, (5).
DOI：

QIAN Hongliang, YANG Tingting, LIU Chang, et al. Thermochemical equilibrium analysis for wood pyrolysis[J]. CIESC Journal, 2014, (5). DOI： 10.3969/j.issn.0438-1157.2014.05.010.

摘要

基于Gibbs自由能最小化法，利用HSC Chemistry软件对木材热解过程进行了热化学平衡计算。讨论了温度对热化学平衡产物组成和比例的影响，并把热解过程划分为4个阶段。首次根据自发反应的判据即反应的Gibbs自由能变与温度关系讨论了产物相互之间反应，由此确定热解各个阶段可能发生的反应。最后总结了文献中实验研究温度对木材热解产物影响情况，并与计算结果比较，结果表明，所预测的不同温度下木材热解产物分布特性与前人的实验结果相似。

Abstract

Based on the Gibbs free energy minimization method

HSC chemistry software was used to calculate the thermochemical equilibrium of wood pyrolysis. The effect of temperature on composition and proportion of products of wood pyrolysis was discussed and pyrolysis process was divided into four zones. According to the criterion of spontaneous reaction (the relationship between Gibbs free energy and temperature)

the reaction among products was discussed for the first time

and then the proper reactions at each zone were determined. At last

the effect of temperature on the wood pyrolysis products reported in literature is summarized

and the calculation results were found to be similar with experimental results of prior authors.

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