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Thermal Decomposition of Sodium Hydrogen Carbonate and Textural Features of Its Calcines
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SYSNO ASEP 0394854 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Thermal Decomposition of Sodium Hydrogen Carbonate and Textural Features of Its Calcines Author(s) Hartman, Miloslav (UCHP-M) RID, ORCID, SAI
Svoboda, Karel (UCHP-M) RID, ORCID, SAI
Pohořelý, Michael (UCHP-M) RID, ORCID, SAI
Šyc, Michal (UCHP-M) RID, SAI, ORCIDSource Title Industrial and Engineering Chemistry Research. - : American Chemical Society - ISSN 0888-5885
Roč. 52, č. 31 (2013), s. 10619-10626Number of pages 8 s. Language eng - English Country US - United States Keywords thermal decomposition ; sodium hydrogen carbonate ; sodium bicarbonate Subject RIV CI - Industrial Chemistry, Chemical Engineering R&D Projects 7C11009 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UCHP-M - RVO:67985858 UT WOS 000323018800032 DOI 10.1021/ie400896c Annotation The decomposition rate of sodium hydrogen carbonate (NaHCO3) into carbonate (Na2CO3) was determined as weight loss at ambient pressure and elevated temperatures up to 230 °C. A particularly slow increasing-temperature procedure and small samples of fine powders were employed to minimize heat and mass transfer intrusions. Efficient removal of the gaseous products eliminated possible equilibrium constraints. A near-first-order reaction rate equation has been presented for the decomposition reaction and also verified by the data collected by experiment in a constant-temperature mode. This correlation makes it possible to predict the reaction rate as a function of temperature and the extent of decomposition. In combination with its integrated form, it can readily be used, for example, in modeling or design of the decomposition proces. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2014
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