Search Results - "Cau Dit Coumes, Céline"

Alkali binding by magnesium silicate hydrates by Bernard, Ellina, Lothenbach, Barbara, Pochard, Isabelle, Cau‐Dit‐Coumes, Céline

“…The binding of Na+, K+, and Li+ by magnesium silicate hydrate (M–S–H) was investigated in batch sorption experiments. Sorption isotherms and cation exchange…”
Get full text

Setting and hardening process of a wollastonite-based brushite cement by Laniesse, Priscillia, Cau Dit Coumes, Céline, Poulesquen, Arnaud, Bourchy, Agathe, Mesbah, Adel, Le Saout, Gwenn, Gaveau, Philippe

“…Wollastonite-based brushite cements are used for refractory material applications, but they may also offer prospects for the solidification/stabilization of…”
Get full text

Influence of the w/c ratio on the hydration process of a magnesium phosphate cement and on its retardation by boric acid by Lahalle, Hugo, Cau Dit Coumes, Céline, Mercier, Cyrille, Lambertin, David, Cannes, Céline, Delpech, Sylvie, Gauffinet, Sandrine

“…Magnesium potassium phosphate cements (MKPCs) are prepared using calcined magnesia (MgO) and an acidic solution of potassium dihydrogen phosphate (KH2PO4)…”
Get full text

Investigation of magnesium phosphate cement hydration in diluted suspension and its retardation by boric acid by Lahalle, Hugo, Cau Dit Coumes, Céline, Mesbah, Adel, Lambertin, David, Cannes, Céline, Delpech, Sylvie, Gauffinet, Sandrine

“…Magnesium phosphate cements (MPCs) are used for rapid repair works, but they may also offer prospects for the stabilization/solidification of deleterious…”
Get full text

Stabilization of ZnCl₂-containing wastes using calcium sulfoaluminate cement: Cement hydration, strength development and volume stability by Berger, Stéphane, Cau Dit Coumes, Céline, Le Bescop, Patrick, Damidot, Denis

“…The potential of calcium sulfoaluminate (CSA) cement was investigated to solidify and stabilize wastes containing large amounts of soluble zinc chloride (a…”
Get full text

Investigation of aluminum nitrate as a set retarder of magnesium potassium phosphate cement: Mechanisms involved in diluted suspension by Cau Dit Coumes, Céline, Rousselet, Angélique, Xu, Biwan, Mercier, Cyrille Albert, Gauffinet, Sandrine

“…In this study, the influence of aluminum nitrate on the hydration process of magnesium potassium phosphate (MKP) cement was investigated experimentally and…”
Get full text

Understanding the setting and hardening process of wollastonite-based brushite cement. Part 1: Influence of the Ca/P ratio and H3PO4 concentration of the mixing solution by Laniesse, Priscillia, Cau Dit Coumes, Céline, Le Saout, Gwenn, Mesbah, Adel

“…Wollastonite-based brushite cement is prepared by mixing wollastonite with a phosphoric acid solution containing metallic cations and boric acid. This work…”
Get full text

Physico-chemical mechanisms involved in the acceleration of the hydration of calcium sulfoaluminate cement by lithium ions by Cau Dit Coumes, Céline, Dhoury, Mélanie, Champenois, Jean-Baptiste, Mercier, Cyrille, Damidot, Denis

“…This work investigates the influence of lithium ions on the hydration at 25°C of two calcium sulfoaluminate (CSA) cements comprising 0 or 10% gypsum. Small…”
Get full text

Understanding the setting and hardening process of wollastonite-based brushite cement. Part 2: Influence of the boron and aluminum concentrations in the mixing solution by Laniesse, Priscillia, Cau Dit Coumes, Céline, Le Saout, Gwenn, Mesbah, Adel

“…The mixing solution of wollastonite-based brushite cement is a phosphoric acid solution containing metallic cations and borax. This work complements a previous…”
Get full text

Leaching of magnesium potassium phosphate cement pastes under alkaline conditions by Diaz Caselles, Laura, Cau Dit Coumes, Céline, Antonucci, Pascal, Rousselet, Angélique, Mesbah, Adel, Montouillout, Valérie

“…Some legacy radioactive waste containing aluminum (Al) metal need to be stabilized and solidified before their final disposal. Currently, Portland cement (PC)…”
Get full text

Calcium sulfoaluminate cement blended with OPC: A potential binder to encapsulate low-level radioactive slurries of complex chemistry by Cau Dit Coumes, Céline, Courtois, Simone, Peysson, Sandrine, Ambroise, Jean, Pera, Jean

“…Investigations were carried out in order to solidify in cement a low-level radioactive waste of complex chemistry obtained by mixing two process streams, a…”
Get full text

Combined effects of lithium and borate ions on the hydration of calcium sulfoaluminate cement by Cau Dit Coumes, Céline, Dhoury, Mélanie, Champenois, Jean-Baptiste, Mercier, Cyrille, Damidot, Denis

“…This work investigates the combined influence of borate and lithium ions on the hydration of two calcium sulfoaluminate (CSA) cements containing 0 or 10wt%…”
Get full text

Hydration of calcium sulfoaluminate cement by a ZnCl2 solution: Investigation at early age by BERGER, Stéphane, DIT COUMES, Céline Cau, LE BESCOP, Patrick, DAMIDOT, Denis

“…Hydration of calcium sulfoaluminate cement at early age was investigated as a function of the gypsum content of the binder, the thermal history of the…”
Get full text

Influence of sodium borate on the early age hydration of calcium sulfoaluminate cement by Champenois, Jean-Baptiste, Dhoury, Mélanie, Cau Dit Coumes, Céline, Mercier, Cyrille, Revel, Bertrand, Le Bescop, Patrick, Damidot, Denis

“…Calcium sulfoaluminate (CSA) cements are potential candidates for the conditioning of radioactive wastes with high sodium borate concentrations. This work thus…”
Get full text

Characterization of magnesium silicate hydrate (M-S-H) by Bernard, Ellina, Lothenbach, Barbara, Chlique, Christophe, Wyrzykowski, Mateusz, Dauzères, Alexandre, Pochard, Isabelle, Cau-Dit-Coumes, Céline

“…In this study, the structure of synthetic magnesium silicate hydrated phases (M-S-H) and the distribution of water as a function of the Mg/Si ratio were…”
Get full text

Investigation of self-desiccating cement-based materials for dihydrogen sequestration: Interactions between γ-MnO2/Ag2CO3 getter and the cement matrix by Cau Dit Coumes, Céline, Farcy, Oriane, Danis, Hugo, Champenois, Jean-Baptiste, Antonucci, Pascal, Mesbah, Adel, Lambertin, David

“…Mitigating the release of dihydrogen resulting from metal corrosion or water radiolysis is an important issue for the disposal of certain types of cemented…”
Get full text

Crystal structures of Boro-AFm and sBoro-AFt phases by Champenois, Jean-Baptiste, Mesbah, Adel, Cau Dit Coumes, Céline, Renaudin, Guillaume, Leroux, Fabrice, Mercier, Cyrille, Revel, Bertrand, Damidot, Denis

“…Crystal structures of boron-containing AFm (B-AFm) and AFt (B-AFt) phases have been solved ab-initio and refined from X-ray powder diffraction. 11B NMR and…”
Get full text

Formulating a low-alkalinity, high-resistance and low-heat concrete for radioactive waste repositories by Cau Dit Coumes, Céline, Courtois, Simone, Nectoux, Didier, Leclercq, Stéphanie, Bourbon, Xavier

“…Investigations were carried out in order to formulate and characterize low-alkalinity and low-heat cements which would be compatible with an underground waste…”
Get full text

Chemical degradation of magnesium potassium phosphate cement pastes during leaching by demineralized water: Experimental investigation and modeling by Diaz Caselles, Laura, Cau Dit Coumes, Céline, Antonucci, Pascal, Rousselet, Angélique, Mesbah, Adel, Montouillout, Valérie

“…The long-term durability of magnesium potassium phosphate cement (MKPC) pastes was investigated by examining their leaching behavior. MKPC comprised magnesium…”
Get full text

Stabilization of ZnCl₂-containing wastes using calcium sulfoaluminate cement: Leaching behaviour of the solidified waste form, mechanisms of zinc retention by Berger, Stéphane, Cau Dit Coumes, Céline, Champenois, Jean-Baptiste, Douillard, Thierry, Le Bescop, Patrick, Aouad, Georges, Damidot, Denis

“…To assess the potential of calcium sulfoaluminate cement to solidify and stabilize wastes containing high amounts of soluble zinc chloride (a strong inhibitor…”
Get full text