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The Influence of Grain Size on Decomposition Reaction of Limestone in Dispersing State 被引量:1

The Influence of Grain Size on Decomposition Reaction of Limestone in Dispersing State
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摘要 The thermal behavior and kinetic parameters of decomposition reaction of limestone in a temperature-programmed mode were investigated by means of TG. The experimental results show that the kinetic model functions in different forms for the thermal decomposition reactions of different limestone grain sizes in dispersing state under the atmosphere of static air are 4(1-α) 3/4 for small size limestone and (1-α) for large size limestone. Information was obtained on the relationship among the decomposition temperature, decomposition time, decomposition fraction, decomposition reaction rate constant and grain size of limestone. The thermal behavior and kinetic parameters of decomposition reaction of limestone in a temperature-programmed mode were investigated by means of TG. The experimental results show that the kinetic model functions in different forms for the thermal decomposition reactions of different limestone grain sizes in dispersing state under the atmosphere of static air are 4(1-α) 3/4 for small size limestone and (1-α) for large size limestone. Information was obtained on the relationship among the decomposition temperature, decomposition time, decomposition fraction, decomposition reaction rate constant and grain size of limestone.
作者 徐德龙
出处 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2004年第4期1-5,20,共6页 武汉理工大学学报(材料科学英文版)
基金 FundedbytheNationalScienceFoundatinofChina(No.5 0 2 72 0 5 0 )
关键词 dispersity kinetics CaCO 3 TG thermal decomposition dispersity kinetics CaCO 3 TG thermal decomposition
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  • 1Vosteen B.Vorwarmung and Vollkommene Caalcinations Von Zementrohmehl in Einem Schwebegassystem[].Zement Kalk Gips.1974
  • 2Hu R Z,Yang Z,Liang Y J.The Determination of the Most Probable Mechanism Function and Three Kinetic Parameters of Exothermic Decomposition Reaction of Energetic Materials by a Single Non-isothermal DSC Curre[].Thermochimica Acta.1998

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