Effect of temperature on kinetic parameters of decomposition reaction of calcium carbonateEffect of temperature on kinetic parameters of decomposition reaction of calcium carbonate

CHEN Hongwei; CHEN Jiangtao; WEI Riguang; SUO Xinliang

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Effect of temperature on kinetic parameters of decomposition reaction of calcium carbonateEffect of temperature on kinetic parameters of decomposition reaction of calcium carbonate

热能科学研究 | 更新时间：2025-09-28

- Effect of temperature on kinetic parameters of decomposition reaction of calcium carbonateEffect of temperature on kinetic parameters of decomposition reaction of calcium carbonate
- Effect of temperature on kinetic parameters of decomposition reaction of calcium carbonateEffect of temperature on kinetic parameters of decomposition reaction of calcium carbonate
- 热力发电 2013年42卷第6期页码：26-30
- 作者机构：
  
  School of Energy Power and Mechanical Engineering,North China Electric Power University
- 作者简介：
- 基金信息：
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- 纸质出版日期：2013
- 稿件说明：
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CHEN Hongwei, CHEN Jiangtao, WEI Riguang, 等. Effect of temperature on kinetic parameters of decomposition reaction of calcium carbonateEffect of temperature on kinetic parameters of decomposition reaction of calcium carbonate[J]. 热力发电, 2013,42(6):26-30.

Effect of temperature on kinetic parameters of decomposition reaction of calcium carbonateEffect of temperature on kinetic parameters of decomposition reaction of calcium carbonate[J]. Thermal power generation, 2013, 42(6): 26-30.
CHEN Hongwei, CHEN Jiangtao, WEI Riguang, 等. Effect of temperature on kinetic parameters of decomposition reaction of calcium carbonateEffect of temperature on kinetic parameters of decomposition reaction of calcium carbonate[J]. 热力发电, 2013,42(6):26-30. DOI：

Effect of temperature on kinetic parameters of decomposition reaction of calcium carbonateEffect of temperature on kinetic parameters of decomposition reaction of calcium carbonate[J]. Thermal power generation, 2013, 42(6): 26-30. DOI：

摘要

In order to investigate the influence of temperature on behavior of calcium carbonate decomposition

especially on kinetic parameters of the decomposition reaction

the analytically pure calcium carbonate was calcined on a self-built large dose thermogravimetric analyzer.The results indicated that

with an increase in the reaction temperature

the reactivity index of calcium carbonate decomposition increased at stage state while the kinetic parameters decreased at stage state.Moreover

both the reaction indices and the kinetic parameters can be divided into three stages and the temperature turning points in different stages were the same.The phase boundary reaction(cylindrical symmetry) theory was more suitable for calcium carbonate calcination under N 2 atmosphere.The change trend of the logarithm of reaction activation with temperature was similar as that of the pre-exponential factor.There existed good liner relationship and kinetic compensation effect between them.The isokinetic temperature of the CaCO 3 calcination was 842℃ and the reaction rate constant was 0.104 9min-1 derived by the compensation coefficients.

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