Transformation of cerium(III) hydroxycarbonate into ceria. Part 2.--Experimental study of the growth rate

Michèle Pijolat 1, 2 Jean-Paul Viricelle 1, 2 Michel Soustelle 1, 2
1 SPIN-ENSMSE - Centre Sciences des Processus Industriels et Naturels
2 ProcESS-ENSMSE - Département Procédés et évolution des systèmes avec solides
Abstract : The variation of the specific rate of growth of ceria from cerium(III) hydroxycarbonate through a solid-gas reaction involving oxygen has been determined using an experimental method which consisted of modifying one of the chemical stresses (a partial pressure) during an experiment, whilst keeping the other partial pressures constant. The specific rate of growth and nucleation of ceria previously obtained from Mampel's model were confirmed. Another application was to ensure that, under the experimental conditions of the study, nucleation and growth of ceria from the solid-gas reaction were the only processes to be taken into account in the mass balance of the transformation.
Keywords : specific rate of growth ceria cerium(III) hydroxycarbonate solid-gas reaction oxygen nucleation Mampel's model
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https://hal-emse.ccsd.cnrs.fr/emse-00610343
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Submitted on : Thursday, July 21, 2011 - 4:08:03 PM
Last modification on : Tuesday, October 23, 2018 - 2:36:05 PM

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Michèle Pijolat, Jean-Paul Viricelle, Michel Soustelle. Transformation of cerium(III) hydroxycarbonate into ceria. Part 2.--Experimental study of the growth rate. Journal of the Chemical Society, Faraday Transactions, Royal Society of Chemistry, 1995, 91 (24), pp.4437-4440. ⟨10.1039/FT9959104437⟩. ⟨emse-00610343⟩

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