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Reaction path of a way of synthetis of nepheline NaAlSiO4

Abstract : The transformation of a simulated nuclear waste into nepheline NaAlSiO4 has been studied, using thermogravimetry, mass spectrometry and X-Ray diffraction. Several mixtures have been used, which were elaborated from a simulated waste (containing mainly sodium nitrate), alumina and silica. Considering the various mass losses observed, the phases obtained after each mass loss (identified by X-Ray diffraction) and the gases released, a reaction path for the transformation has been proposed.
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Submitted on : Wednesday, August 17, 2011 - 2:03:15 PM
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  • HAL Id : emse-00614923, version 1


Françoise Valdivieso, Michèle Pijolat, Olivier Fiquet. Reaction path of a way of synthetis of nepheline NaAlSiO4. Eurosolid 4 : European conference on transformation kinetics and reactivity of solids, Sep 1997, Saint Vincent, Italy. pp.145-150. ⟨emse-00614923⟩



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