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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hriljac, Joseph, A.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2023One-pot synthesis of superparamagnetically modified zeolite chabazite for removal of Cs<sup>+</sup> from radioactively contaminated watercitations
- 2021Evolution of the Local Structure in the Sol-Gel Synthesis of Fe3C Nanostructurescitations
- 2020Nuclear wastewater decontamination by 3D printed hierarchical zeolite monolithscitations
- 2018Derivation of Transferable Pair Potentials and the Calculation of Intrinsic Defect Properties for Xenotimecitations
- 2018Transformation of Cs-IONSIV ® into a ceramic wasteform by hot isostatic pressingcitations
- 2016A Potential Wasteform for Cs Immobilizationcitations
- 2013Thermal Conversion of Cs-exchanged IONSIV IE-911 into a Novel Caesium Ceramic Wasteform by Hot Isostatic Pressingcitations
- 2012Pair distribution function-derived mechanism of a single-crystal to disordered to single-crystal transformation in a hemilabile metal–organic frameworkcitations
- 2012The effect of extra framework species on the intrinsic negative thermal expansion property of zeolites with the LTA topology.citations
- 2011Enhanced stability and local structure in biologically relevant amorphous materials containing pyrophosphatecitations
- 2010Synthesis and structural characterisation using Rietveld and pair distribution function analysis of layered mixed titanium-zirconium phosphatescitations
- 2009Comparison of structural, microstructural, and electrical analyses of barium strontium titanate thin filmscitations
- 2007Hydrostatic low-range pressure applications of the Paris-Edinburgh cell utilizing polymer gaskets for diffuse X-ray scattering measurementscitations
- 2005Pillared clays as catalysts for hydrocracking of heavy liquid fuelscitations
- 2002Pressure-induced volume expansion of zeolites in the Natrolite familycitations
- 2002Oxygen-stabilised partial amorphization in a Zr₅₀Cu₅₀ alloycitations
- 2001Crystallisation of oxygen-stabilised amorphous phase in a Zr50Cu50 alloycitations
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article
Transformation of Cs-IONSIV ® into a ceramic wasteform by hot isostatic pressing
Abstract
A simple method to directly convert Cs-exchanged IONSIV® IE-911 into a ceramic wasteform by hot isostatic pressing (1100 °C/190 MPa/2 hr) is presented. Two major Cs-containing phases, Cs<sub>2</sub>TiNb<sub>6</sub>O<sub>18</sub> and Cs<sub>2</sub>ZrSi<sub>6</sub>O<sub>15</sub>, and a series of mixed oxides form. The microstructure and phase assemblage of the samples as a function of Cs content were examined using XRD, XRF, SEM and TEM/EDX. The chemical aqueous durability of the materials was investigated using the MCC-1 and PCT-B standard test methods. For HIPed Cs-IONSIV® samples, the MCC-1 normalised release rates of Cs were <1.57 × 10−1 g m−2 d−1 at 0–28 days, and <3.78 × 10−2 g m−2 d−1 for PCT-B at 7 days. The low rates are indicative of a safe long-term immobilisation matrix for Cs formed directly from spent IONSIV®. It was also demonstrated that the phase formation can be altered by adding Ti metal due to a controlled redox environment.