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Journal of Thermal Analysis and Calorimetry
Authors: José Geraldo de P. Espínola, Evandro P. S. Martins, Franklin P. Aguiar, Haryane R. M. Silva, M. G. Fonseca, L. N. H. Arakaki, and Ercules E. S. Teotônio

obtaining process data from the complex thermal degradation. Theoretical foundations In determining the kinetic trip, activation energy, the pre-exponential factor and the possible decomposition mechanism of the complex, two

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-exponential factor, E a is the activation energy and R is the gas constant. The activation parameters ( A , E a and f ( α )) are often referred in the literature as “kinetic triplet.” Equation ( 1 ) can be transformed to the following expression: (2

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, and 15 K min −1 , in the temperature range of 30–900 °C. Obtained activation energies were 250 kJ kg −1 for polypropylene, 63 kJ kg −1 for the oil shale organic matter, and 242 kJ kg −1 for the mixture. Değirmenci and Durusoy [ 24 ] used the

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crystallization study of amorphous Se 85− x Te 15 Sn x ( x = 0, 2, 4 and 6) glassy alloys have been made using non-isothermal conditions at four different heating rates (5–20 °C min −1 ). From the heating rate dependence, activation energies for glass transition

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crystallization study using different methods for the same experimental data of a glass. The present work studies the crystallization kinetics and evaluates the activation energies for the Se 70 Te 15 In 15 glass under non-isothermal conditions. Using DSC scans

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Journal of Thermal Analysis and Calorimetry
Authors: Hou-yin Zhao, Yan Cao, Song P. Sit, Quentin Lineberry, and Wei-ping Pan

understand bitumen pyrolysis. Distributed activation energy model (DAEM) is a simplified model for determining kinetic parameters for complex reactions, which assumes a set of irreversible first-order reactions that have different activation energies, and it

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all the samples. The nucleation activity and crystallization activation energy of PP/kaolin composites were computed using Dobreva and Kissinger methods, respectively. In this article, the samples were subjected to three different processing

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chemical decomposition reactions. It was initially developed for differential thermal analysis (DTA) data and based on the Arrhenius equation: 1 where A is the pre-exponential factor, E is the activation energy, R is universal gas constant (8.314 J

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powder design. It is known that the melting rate increases with increasing carbon reactivity [ 7 ]. The reactivity of powder can be determined by knowing the decomposition kinetic of carbonaceous material; in this way, lower activation energy should be

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Estimation of activation energies The main objective of this part of the study is to show the catalytic activity of the nanoparticles toward asphaltene decomposition. Activation energy ( E a ) can be calculated by processing the data of simultaneous

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