On the selective transport of nutrients through polymer inclusion membranes based on ionic liquids
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AuthorBaicha, Z; Salar García, María José; Ortiz Martínez, Víctor Manuel; Hernández Fernández, Francisco José; Pérez de los Ríos, Antonia; [et al.]
Knowledge AreaIngeniería HidráulicaIngeniería Química
SponsorsThis research received external funding by the Spanish Ministry of Economy and Competitiveness (MINECO) (Grant number: RTI2018-099011-B-I00) and Seneca Foundation (Grant number: 20957/PI/18). Zakarya Baicha thanks to Erasmus + program (Ref: 2015-1-ES01-KA107-014539) the opportunity to collaborate with the Technical University of Cartagena.
Realizado en/conUniversidad de Murcia; Universidad Mohamed V
Bibliographic CitationBaicha Z, Salar-García MJ, Ortiz-Martínez VM, Hernández-Fernández FJ, de los Ríos AP, Maqueda Marín DP, Collado JA, Tomás-Alonso F, El Mahi M. On the Selective Transport of Nutrients through Polymer Inclusion Membranes Based on Ionic Liquids. Processes. 2019; 7(8):544. https://doi.org/10.3390/pr7080544
KeywordsPolymer inclusion membranes
Liquid membrane stability
In the last few years, the use of ionic liquid-based membranes has gained importance in a wide variety of separation processes due to the unique properties of ionic liquids. The aim of this work is to analyze the transport of nutrients through polymer inclusion membranes based on different concentrations of methyltrioctylammonium chloride, in order to broaden the application range of these kinds of membranes. Calcium chloride (CaCl2) and sodium hydrogen phosphate (Na2HPO4) nutrients were used at the concentration of 1 g center dot L-1 in the feeding phase. The evolution of the concentration in the receiving phase over time (168 h) was monitored and the experimental data fitted to a diffusion-solution transport model. The results show very low permeation values for CaCl2. By contrast, in the case of Na2HPO4 the permeation values were higher and increase as the amount of ionic liquid in the membrane also increases. The surface of the membranes was characterized before and after being used ...
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