Kinetics of bamboo pyrolysis

ZENG Kaibin; JIANG Binbo; CHEN Jizhong

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Kinetics of bamboo pyrolysis

更新时间：2026-03-26

- Kinetics of bamboo pyrolysis
- CIESC Journal Vol. 57, Issue 2, (2006)
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- Online First：25 February 2006，
  
  Published：2006
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ZENG Kaibin, JIANG Binbo, CHEN Jizhong. Kinetics of bamboo pyrolysis[J]. CIESC Journal, 2006, 57(2).
DOI：

ZENG Kaibin, JIANG Binbo, CHEN Jizhong. Kinetics of bamboo pyrolysis[J]. CIESC Journal, 2006, 57(2). DOI：

摘要

在不同升温速率（5、10、20、30 K8226;min-1）下，对竹材进行TG、DTG分析.试样从313～650 K的升温过程经历了水分析出﹑第一步热解和第二步热解过程.用Levenberg-Marquardt方法对非等温动力学过程进行数据拟合，结果表明，半纤维素在较低温度下热解，仅生成挥发性组分，表现为第一步热解，可以用简单一级反应描述;纤维素和木质素在较高温度下热解，表现为第二步热解，是竞争的平行一级反应，产物分别是挥发性组分和竹炭.第一热解过程与热解升温速率有关，而第二热解过程与升温速率无关.

Abstract

Bamboo materials were pyrolyzed in TGA equipment (TGA/SDTA851e) at heating rate of 5

30 K8226;min-1 in the temperature range of 313～650 K and N2 atmosphere.The pyrolysis process of bamboo consisted of three steps: pre-pyrolysis of water evaporation，first step pyrolysis and second step pyrolysis. The kinetics of bamboo pyrolysis was analyzed based on the Levenberg-Marquardt method. The first step of bamboo pyrolysis could be considered as the pyrolysis of semi-cellulose to volatile matter only and well described by a first-order reaction model.The second step of bamboo pyrolysis could be considered as the pyrolysis of cellulose and lignin to volatile matter and char

and well described by a parallel first-order reaction model.The first step of bamboo pyrolysis was dependent on heat-up rate

while the second step of bamboo pyrolysis was independent of heat-up rate.

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