electroosmotic mobility
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2021 ◽  
Vol 5 (1) ◽  
pp. 19
Author(s):  
Wei L. Chen ◽  
Huan J. Keh

An analytical study of the electroosmosis and electric conduction of electrolyte solutions in a fibrous medium composed of parallel charge-regulating cylinders with arbitrary electric double layer thickness is presented. A linearized charge regulation model was adopted for the association and dissociation reactions occurring at the amphoteric functional groups over the surfaces of the cylinders, and a unit cell model was employed to accommodate interactions among the cylinders. The electrokinetic equations governing the ionic concentration, electric potential, and liquid flow fields were solved at low zeta potential for the cylinders. Explicit formulas for the electroosmotic mobility and effective electric conductivity in the fiber matrix were obtained. The results indicate that the charge regulation characteristics, such as the equilibrium constants of the reactions occurring at the cylinders’ surfaces and the bulk concentration of the charge-determining ions, influence the surface charge density and potential, electroosmotic mobility, and effective electric conductivity substantially.



2019 ◽  
Vol 29 (1) ◽  
pp. 433-441
Author(s):  
Alberto Rojas-Hernandez ◽  
Agustin Ibarra-Escutia ◽  
Obdulia Medina-Juarez ◽  
Maria T. Ramirez-Silva


2019 ◽  
Vol 1057 ◽  
pp. 152-161 ◽  
Author(s):  
Laurent Leclercq ◽  
Marine Morvan ◽  
Jens Koch ◽  
Christian Neusüß ◽  
Hervé Cottet


2019 ◽  
Author(s):  
Tatiana A. Maryutina ◽  
Elena Yu. Savonina ◽  
Petr S. Fedotov ◽  
Roger M. Smith ◽  
Heli Siren ◽  
...  


2018 ◽  
Vol 20 (35) ◽  
pp. 22517-22524 ◽  
Author(s):  
Majid Rezaei ◽  
Ahmad Reza Azimian ◽  
Ahmad Reza Pishevar ◽  
Douwe Jan Bonthuis

Using molecular dynamics simulations, the ion density, shear viscosity and electroosmotic mobility of an aqueous monovalent electrolyte at a charged solid surface are studied as a function of the surface charge density.



2016 ◽  
Author(s):  
Marja-Liisa Riekkola ◽  
Jan Åke Jönsson ◽  
Roger M. Smith


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