Kinetic parameters for the reactions of leather shavings with oxygen and carbon dioxide / Marcelo Godinho in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CII, N° 6 (06/2007)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CII, N° 6 (06/2007) . - p. 175-181 Titre : Kinetic parameters for the reactions of leather shavings with oxygen and carbon dioxide Type de document : texte imprimé Auteurs : Marcelo Godinho, Auteur ; M. A. Lansarin, Auteur ; N. R. Marcilio, Auteur Année de publication : 2007 Article en page(s) : p. 175-181 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : tests were carried out in a thermobalance using carbon from leather shavings char, under isothermal conditions and atmospheric pressure. The experimental results showed a good fit with the Shrinking Unreacted-Core model controlled by chemical reaction, and the Progressive-Conversion model did not describe the process. According to Shrinking Unreacted-Core model, the reaction initially occurs on the external surface of the particle and the reaction zone moves toward the center of the particle, leaving behind a layer of inert solid (ash). On the other hand, in the Progressive-Conversion model reaction occurs simultaneously in the entire volume of the particle. The activation energies of the C-O2 and C-CO2 reactions were determinate, as well as their reaction orders. En ligne : https://drive.google.com/file/d/1N8vj6DQBfzWMHepEN1LWibPEN8CLyJ6N/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3351 [article]

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