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Y(III) Ion Migration in AlF3–(Li,Na)F–Y2O3 Molten Salt. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12042200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this study, three slots containing an anode chamber, a cathode chamber, and a middle pole chamber were designed by applying the Hittorf method, and a two-way coupling model of the flow field and electric field was established using the COMSOL system. The electric field distribution in the constructed model was simulated, and the model reliability, boundary conditions, and related parameters were verified. A three-chamber tank was utilized to investigate the migration numbers change rule and migration mechanism of Y(III) ions in the AlF3–(Li,Na)F system. The migration number of Y(III) ions in the AlF3–(Li,Na)F–Y2O3 molten salt linearly increased from 0.70 to 0.80 with an increase in temperature from 900 to 1000 °C. When the (Li,Na)F/AlF3 molar ratio was between 2.0 and 2.5, the migration number of Y(III) ions was relatively constant, and its average value was approximately 0.75. Meanwhile, at (Li,Na)F/AlF3 molar ratios higher than 2.5, the migration number of Y(III) ions linearly decreased from 0.75 to 0.45. Finally, in the current density range of 1.0–2.0 A/cm2, the migration number of Y(III) ions increased almost linearly from 0.65 to 0.85.
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Abstract
This work is aimed to give an electrochemical insight into the ionic transport phenomena in the cellular environment of organized brain tissue. The Nernst–Planck–Poisson (NPP) model is presented, and its applications in the description of electrodiffusion phenomena relevant in nanoscale neurophysiology are reviewed. These phenomena include: the signal propagation in neurons, the liquid junction potential in extracellular space, electrochemical transport in ion channels, the electrical potential distortions invisible to patch-clamp technique, and calcium transport through mitochondrial membrane. The limitations, as well as the extensions of the NPP model that allow us to overcome these limitations, are also discussed.
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Díaz DR, Carmona FJ, Palacio L, Ochoa NA, Hernández A, Prádanos P. Impedance spectroscopy and membrane potential analysis of microfiltration membranes. The influence of surface fractality. Chem Eng Sci 2018. [DOI: 10.1016/j.ces.2017.12.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Nguyen QT, M'Bareck CO, David MO, Métayer M, Alexandre S. Ion-exchange membranes made of semi-interpenetrating polymer networks, used for pervaporation-assisted esterification and ion transport. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s10019-003-0253-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Quang T. Nguyen
- UMR 6522, Université de Rouen, 76821 Mont St Aignan (France)
| | | | - Marie O. David
- IUT d'Evry, Evry University, Bd F. Mitterand, 91000 Evry (France)
| | - Michel Métayer
- UMR 6522, Université de Rouen, 76821 Mont St Aignan (France)
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Physico-chemical effects of ion-exchange fibers on electrokinetic transportation of metal ions. Sep Purif Technol 2014. [DOI: 10.1016/j.seppur.2014.07.053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Wąsik S, Arabski M, Dworecki K, Kaca W, Ślęzak A. Influence of gravitational field on substance transport in gels. J Memb Sci 2010. [DOI: 10.1016/j.memsci.2010.09.035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Sokalski T, Lingenfelter P, Lewenstam A. Numerical Solution of the Coupled Nernst−Planck and Poisson Equations for Liquid Junction and Ion Selective Membrane Potentials. J Phys Chem B 2003. [DOI: 10.1021/jp026406a] [Citation(s) in RCA: 134] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tomasz Sokalski
- Process Chemistry Group, c/o Centre for Process Analytical Chemistry and Sensor Technology (ProSens), Åbo Akademi University, Biskopsgatan 8, FIN-20500 Åbo/Turku, Finland, Department of Chemistry, University of Warsaw, 02093 Warsaw, Poland, and Faculty of Material Science and Ceramics, University of Mining and Metallurgy, 30059 Cracow, Poland
| | - Peter Lingenfelter
- Process Chemistry Group, c/o Centre for Process Analytical Chemistry and Sensor Technology (ProSens), Åbo Akademi University, Biskopsgatan 8, FIN-20500 Åbo/Turku, Finland, Department of Chemistry, University of Warsaw, 02093 Warsaw, Poland, and Faculty of Material Science and Ceramics, University of Mining and Metallurgy, 30059 Cracow, Poland
| | - Andrzej Lewenstam
- Process Chemistry Group, c/o Centre for Process Analytical Chemistry and Sensor Technology (ProSens), Åbo Akademi University, Biskopsgatan 8, FIN-20500 Åbo/Turku, Finland, Department of Chemistry, University of Warsaw, 02093 Warsaw, Poland, and Faculty of Material Science and Ceramics, University of Mining and Metallurgy, 30059 Cracow, Poland
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Lteif R, Dammak L, Larchet C, Auclair B. Détermination du nombre de transport d’un contre-ion dans une membrane échangeuse d’ions en utilisant la méthode de la pile de concentration. Eur Polym J 2001. [DOI: 10.1016/s0014-3057(00)00163-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Telaranta R, Manzanares J, Kontturi K. Convective electrodiffusion processes through graft-modified charged porous membranes. J Electroanal Chem (Lausanne) 1999. [DOI: 10.1016/s0022-0728(99)00025-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Manzanares JA, Vergara G, Mafé S, Kontturi K, Viinikka P. Potentiometric Determination of Transport Numbers of Ternary Electrolyte Systems in Charged Membranes. J Phys Chem B 1998. [DOI: 10.1021/jp970216w] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hautojärvi J, Kontturi K, Näsman JH, Svarfvar BL, Viinikka P, Vuoristo M. Characterization of Graft-Modified Porous Polymer Membranes. Ind Eng Chem Res 1996. [DOI: 10.1021/ie950223b] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Joni Hautojärvi
- Laboratory of Physical Chemistry and Electrochemistry, Helsinki University of Technology, Kemistintie 1, FIN-02150 Espoo, Finland, and Department of Polymer Technology, Åbo Akademi University, Porthansgatan 3-5, FIN-20500, Åbo, Finland
| | - Kyösti Kontturi
- Laboratory of Physical Chemistry and Electrochemistry, Helsinki University of Technology, Kemistintie 1, FIN-02150 Espoo, Finland, and Department of Polymer Technology, Åbo Akademi University, Porthansgatan 3-5, FIN-20500, Åbo, Finland
| | - Jan H. Näsman
- Laboratory of Physical Chemistry and Electrochemistry, Helsinki University of Technology, Kemistintie 1, FIN-02150 Espoo, Finland, and Department of Polymer Technology, Åbo Akademi University, Porthansgatan 3-5, FIN-20500, Åbo, Finland
| | - Bror L. Svarfvar
- Laboratory of Physical Chemistry and Electrochemistry, Helsinki University of Technology, Kemistintie 1, FIN-02150 Espoo, Finland, and Department of Polymer Technology, Åbo Akademi University, Porthansgatan 3-5, FIN-20500, Åbo, Finland
| | - Pasi Viinikka
- Laboratory of Physical Chemistry and Electrochemistry, Helsinki University of Technology, Kemistintie 1, FIN-02150 Espoo, Finland, and Department of Polymer Technology, Åbo Akademi University, Porthansgatan 3-5, FIN-20500, Åbo, Finland
| | - Mikko Vuoristo
- Laboratory of Physical Chemistry and Electrochemistry, Helsinki University of Technology, Kemistintie 1, FIN-02150 Espoo, Finland, and Department of Polymer Technology, Åbo Akademi University, Porthansgatan 3-5, FIN-20500, Åbo, Finland
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