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Isoconversional analysis of solid state transformations

A critical review. Part II. Complex transformations

Journal of Thermal Analysis and Calorimetry
Authors: J. Farjas and P. Roura

assumptions. Moreover, we will provide some piece of advice to manipulate experimental data to apply isoconversional methods properly. Non-constancy of the activation energy Originally isoconversional methods were based on the

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been used widely to estimate the kinetic parameters of degradation processes, such as activation energies ( E ), reaction order ( n ), and the Arrhenius pre-exponential factor ( A ) [ 17 – 19 ], which can be calculated using various kinetic models such

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kinetically treated as a gas–solid reaction to study the reduction behavior using model based and model-free methods. In model based methods, a single run data is used to calculate the Arrhenius activation energy values whereas model-free methods involve

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Journal of Thermal Analysis and Calorimetry
Authors: F. M. Aquino, D. M. A. Melo, R. C. Santiago, M. A. F. Melo, A. E. Martinelli, J. C. O. Freitas, and L. C. B. Araújo

. The objective of this study is to study the thermal degradation of the ligand groups with the metallic ions of the system using the Flynn and Wall and “Model-free kinetics” methods and evaluate the results in order to establish the activation energy as

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(activation energy, pre-exponential factor, and conversion function) of each degradation step is one important target of kinetic investigations. Many kinetic analysis methods have been developed, among which isoconversional methods have been widely used [ 1

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Co-firing of biomass with coals

Part 2. Thermogravimetric kinetic analysis of co-combustion of fir (Abies bornmulleriana) wood with Beypazari lignite

Journal of Thermal Analysis and Calorimetry
Authors: Sinem Taş and Yuda Yürüm

to identify the thermal behavior and activation energy of the fir wood blended coal samples by the Ozawa–Flynn–Wall model under non-isothermal conditions. Experimental Materials and characterization Coal

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