International Journal of Chemistry, Vol 2, No 1 (2010)

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Characterization and Evaluation of Thermodynamic Parameters for Egyptian Heap Fired Rice Straw Ash (RSA)

Morsi M. Abou-Sekkina, Raafat M. Issa, Alam El-Deen M. Bastawisy, Wael A. El-Helece

Abstract


The composition of the studied ash was confirmed by elemental analysis, IR, XRD spectra, and thermal data (TG &
DTA). These analyses were used to determine thermodynamic parameters such as the activation energy (?Ea), enthalpy
change (?H*), entropy change (?S*) and free energy change (?G*) related to the thermal decomposition process were
calculated. Analytical reactions were also used to evaluate the composition of the ash.


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International Journal of Chemistry   ISSN 1916-9698(Print)   1916-9701 (Online)

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