[PDF] Top 20 Neodymium and gadolinium extraction from molten fluorides by reduction on a reactive electrode
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Neodymium and gadolinium extraction from molten fluorides by reduction on a reactive electrode
... Nd and Gd in the molten electrolyte is too close to that of solvent reduction to be able to expect complete extraction of each of the elements ...of a reactive cathode allows the ... Voir le document complet
25
Feasibility of the electrochemical way in molten fluorides for separating Thorium and Lanthanides and extracting Lanthanides from the solvent.
... of a melt containing gadolinium for a molybdenum electrode: Gadolinium ions are reduced in one step into metal at a potential around ...the reduction process being found ... Voir le document complet
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Electrochemical reduction of Gd(III) and Nd(III) on reactive cathode material in molten fluoride media
... electrochemical reduction of two lanthanides (neodymium Nd and gadolinium Gd) was investigated in the 800-950°C temperature range on nickel and copper ...determined by coupling ... Voir le document complet
26
Co-reduction of aluminium and lanthanide ions in molten fluorides : application to cerium and samarium extraction from nuclear waste
... tungsten electrode for cerium and samarium ...cyclic and square wave voltammetries, and potentiostatic electrolyses were used to study the co-reduction of CeF 3 and SmF 3 with ... Voir le document complet
8
Electrochemical extraction of europium from molten fluoride media
... r a c t This work concerns the extraction of europium from molten fluoride ...of a reactive cathode made of copper and (ii) the co-deposition with aluminium on inert ... Voir le document complet
8
On the use of liquid metals as cathode in molten fluorides
... exposed and their use requires: a liquid state and a low vapour pressure at the operating temperature, and a density higher than the ...Sb, and Bi) were performed in ... Voir le document complet
8
On the use of liquid metals as cathode in molten fluorides
... exposed and their use requires: a liquid state and a low vapour pressure at the operating temperature, and a density higher than the ...Sb, and Bi) were performed in ... Voir le document complet
9
Competition between V2O3 phases deposited by one-step reactive sputtering process on polycrystalline conducting electrode
... Figure 2: (a)‐(d): X‐ray diffraction patterns of pure phases with integer vanadium valence deposited on platinum (dotted lines) at 400 °C. Detected phases with respect to oxygen partial pressure: (a) V 2 O ... Voir le document complet
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Electrochemical behaviour of thorium(IV) in molten LiF–CaF2 medium on inert and reactive electrodes
... r a c t The electrochemical behaviour of the Th(IV)/Th system was examined in molten LiF–CaF2 medium on inert (molybdenum), reactive (nickel) and liquid (bismuth) electrodes in the 810–920 ◦ C ... Voir le document complet
8
A Reactive aggregate undetected by ASTM tests
... Vous avez des questions? Nous pouvons vous aider. Pour communiquer directement avec un auteur, consultez la première page de la revue dans laquelle son article a été publié afin de trouver ses coordonnées. Si vous ... Voir le document complet
8
Recovery of 2,3-butanediol from water by a solvent extraction and pervaporation separation scheme
... Vous avez des questions? Nous pouvons vous aider. Pour communiquer directement avec un auteur, consultez la première page de la revue dans laquelle son article a été publié afin de trouver ses coordonnées. Si vous ... Voir le document complet
127
Removal of Tannic Acid From Aqueous Solution by Cloud Point Extraction and Investigation of Surfactant Regeneration by Microemulsion Extraction
... formed by hydrophobic organic solvents (with a high log ...However, a hydrophilic organic solvent (low log P) forms Winsor II microemulsions in which the nonionic surfactant mainly partitions into ... Voir le document complet
11
Mechanisms and kinetics during reactive infiltration of molten silicon in porous graphite
... promoted by an increase in the ...follow a logarithmic law up to 600 seconds with a strong decrease of the wetting angle at the surface of carbon substrate eventually leading to values lower than ... Voir le document complet
29
Thermodynamic modeling of neodymium and cerium oxalates reactive precipitation in concentrated nitric acid media
... complex and largely empirical approaches (Pitzer ( Pitzer, 1991 ...such a model must permit an accurate calculation of ion activities, but additionally, these calcu- lations must be valid over the widest ... Voir le document complet
7
Mineralization of organic pollutants by anodic oxidation using reactive electrochemical membrane synthesized from carbothermal reduction of TiO2
... . A particular attention was also given to the evolution of the permeate flux during experiments performed at 30 mA cm "2 ( ...Bowen and Clark, 1984; Huisman et ...followed by a period of ... Voir le document complet
11
Thermodynamic modeling of neodymium and cerium oxalates reactive precipitation in concentrated nitric acid media
... is a weak acid dissociating in two species in water: HC 2 O 4 # and C 2 O 4 2# ...Partanen and coworkers recently re-measured both constants at temperatures ranging from 0 #C to 60 ...1 ... Voir le document complet
8
Removal of Tannic Acid From Aqueous Solution by Cloud Point Extraction and Investigation of Surfactant Regeneration by Microemulsion Extraction
... formed by hydrophobic organic solvents (with a high log ...However, a hydrophilic organic solvent (low log P) forms Winsor II microemulsions in which the nonionic surfactant mainly partitions into ... Voir le document complet
12
Direct electrochemical reduction of solid uranium oxide in molten fluoride salts
... Direct reduction experiments have been conducted in constant- current mode, for different intensity and ...using a constant-potential mode is that, during the electrolyses, the oxide pellets were ... Voir le document complet
6
Oxygen reduction reaction features in neutral media on glassy carbon electrode functionalized by chemically prepared gold nanoparticles
... ), and E°′ is the apparent standard potential ...AuNPs(X)-GC electrode are summarized in Table 1 ...AuNPs(A)-GC and AuNPs(D)-GC compared to AuNPs(B)-GC and ...proved by the ... Voir le document complet
14
Oxygen reduction reaction features in neutral media on glassy carbon electrode functionalized by chemically prepared gold nanoparticles
... potential and the longest electrolysis ...AuNPs-GC electrode exhibited significantly enhanced kinet- ics for ORR with a β value ...Au and on unmodified GC ...reducing and stabilizing ... Voir le document complet
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