Kinetic study on biomass pyrolysis processes by iso-conversional method

ZHANG Haitao; YU Qingbo; QIN Qin; XIE Huaqing

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Kinetic study on biomass pyrolysis processes by iso-conversional method

Thermal Power Generation Vol. 43, Issue 1, Pages: 57-60(2014)

更新时间：2025-09-28

- Kinetic study on biomass pyrolysis processes by iso-conversional method
- 作者机构：
  
  东北大学材料与冶金学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK6
- Published：2014
- 稿件说明：
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ZHANG Haitao, YU Qingbo, QIN Qin, et al. Kinetic study on biomass pyrolysis processes by iso-conversional method[J]. Thermal Power Generation, 2014, 43(1): 57-60.
DOI：

ZHANG Haitao, YU Qingbo, QIN Qin, et al. Kinetic study on biomass pyrolysis processes by iso-conversional method[J]. Thermal Power Generation, 2014, 43(1): 57-60. DOI：

摘要

采用Starink等转化率法对玉米芯和花生壳的热解过程进行了动力学求解

在不同的转化率下玉米芯的活化能变化较小

基本在(208.11±7.11)kJ/mol

而花生壳的活化能则变化较大。同时

采用主曲线法对玉米芯热解过程进行机理函数筛选

当转化率小于0.6时

玉米芯热解过程遵循四级反应;当转化率大于0.6时

玉米芯热解过程遵循三级反应。

Abstract

The Starink iso-conversional method was employed to obtain the kinetic parameters of corn cob and peanut shell during pyrolysis.The activation energy of the corn cob with different conversion ratios were nearly constant

about(208.11±7.11)kJ/mol

but that of the peanut shell changed variously.The major curve method was applied to conduct mechanism function screening for the corn cob.The results show that

when the conversion ratio was below 0.6

the reaction order of the corn cob pyrolysis was 4;when conversion ratio exceeded 0.6

reaction order of the corn cob pyrolysis dropped to 3.

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