RT info:eu-repo/semantics/article
T1 Saline retention and permeability of nanofiltration membranes versus resistance and capacitance as obtained from impedance spectroscopy under a concentration gradient
A1 Pérez, Miguel Ángel
A1 Gallego, Silvia
A1 Palacio Martínez, Laura
A1 Hernández Giménez, Antonio
A1 Prádanos del Pico, Pedro Lourdes
A1 Carmona del Río, Francisco Javier
K1 Nanofiltration
K1 Filtros y filtración
K1 Permeability
K1 Zeta potential
K1 Impedance spectroscopy
K1 Espectroscopia de impedancia
K1 Spectroscopy
K1 Membranes (Technology)
K1 Membranas (Tecnología)
K1 Membrane separation
K1 Separación (Tecnología)
K1 Chemical engineering
K1 3328.10 Filtración
K1 2209.21 Espectroscopia
K1 2210.19 Fenómenos de Membrana
K1 3303 Ingeniería y Tecnología Químicas
AB Impedance spectroscopy has been widely used for the study of the electrical properties of membranes for their characterization. The most common use of this technique is the measure of the conductivity of different electrolyte solutions to study the behavior and movement of electrically charged particles inside the pores of membranes. The objective of this investigation was to observe if there is a relation present between the retention that a nanofiltration membrane possesses to certain electrolytic solutions (NaCl, KCl, MgCl2, CaCl2, and Na2SO4) and the parameters that are obtained through IS measurements of the active layer of the membrane. To achieve our objective, different characterization techniques were performed to obtain the permeability, retention, and zeta potential values of a Desal-HL nanofiltration membrane. Impedance spectroscopy measurements were performed when a gradient concentration was present between both sides of the membrane to study the variation that the electrical parameters had with the time evolution.
PB MDPI
SN 2077-0375
YR 2023
FD 2023
LK https://uvadoc.uva.es/handle/10324/68720
UL https://uvadoc.uva.es/handle/10324/68720
LA eng
NO Membranes, 2023, Vol. 13, Nº. 6, 608
NO Producción Científica
DS UVaDOC
RD 22-nov-2024