Journal ArticleDOI
Separation of cobalt-60, strontium-90, and cesium-137 radioisotopes by competitive transport across polymer inclusion membranes with organophosphorous acids
TLDR
In this paper, the removal and separation of Co-60, Sr-90, and Cs-137 radioisotopes from nitrate aqueous solutions were studied by competitive transport across cellulose triacetate plasticized membranes using organophosphorous acids compounds.About:
This article is published in Desalination.The article was published on 2006-10-30. It has received 19 citations till now. The article focuses on the topics: Cation transport & Cellulose triacetate.read more
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Recent trends in extraction and transport of metal ions using polymer inclusion membranes (PIMs)
TL;DR: An overview of polymer inclusion membranes (PIMs) can be found in this article, where the authors provide an overview of PIM studies reported since 2005 and discuss extraction and transport studies according to the various base polymers, carriers, plasticizers and modifiers that have been used.
Journal ArticleDOI
Separation of Co(II) and Li(I) with Cyanex 272 using hollow fiber supported liquid membrane: A comparison with flat sheet supported liquid membrane and dispersive solvent extraction process
TL;DR: In this paper, the feasibility to produce pure metal salt solutions was established by controlling the process parameters like pH of the feed solution, extractant concentration, metal ion concentration and acid concentration for selective stripping.
Journal ArticleDOI
Preparation of magnetic porous NiFe2O4/SiO2 composite xerogels for potential application in adsorption of Ce(IV) ions from aqueous solution
TL;DR: In this paper, a novel magnetic porous adsorbent was prepared via a sol-gel method for the removal of Ce(IV) from aqueous solution, and the results verified the formation of hierarchically porous structures with a specific surface area of 1085.3 m2 g−1.
Journal ArticleDOI
Sorption separation of Eu and As from single-component systems by Fe-modified biochar: kinetic and equilibrium study
Vladimír Frišták,Barbora Micháleková-Richveisová,Eva Viglašová,Libor Ďuriška,Michal Galamboš,Eduardo Moreno-Jiménez,Martin Pipíška,Gerhard Soja +7 more
TL;DR: In this paper, the effect of chemical modification of corncob-derived biochar by Fe-impregnations on sorption efficiency of Eu and As as a model compounds of cationic lanthanides and anionic metalloids was characterized by elemental, FTIR, SEM-EDX analysis.
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Modified cyclodextrin polymers as selective ion carriers for Pb(II) separation across plasticized membranes
TL;DR: In this paper, the hydrophobic β-cyclodextrin (β-CD) polymers have been used as macrocyclic ion carriers for separation of Pb(II, Zn(II), and Cu(II) ions from dilute aqueous solutions by transport across polymer inclusion membranes.
References
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Journal ArticleDOI
Separation of Metal Species by Supported Liquid Membranes
TL;DR: In this article, a review of the works performed in the Separation Chemistry Group of the Chemistry Division of Argonne National Laboratory on the transport and separation properties of supported liquid membranes (SLM) is presented.
Journal ArticleDOI
Solvent extraction characteristics of thiosubstituted organophosphinic acid extractants
Kathryn C. Sole,J. Brent Hiskey +1 more
TL;DR: In this article, a comparison of the solvent extraction behavior of metallurgically important first-row transition metal ions from acidic sulfate solution by these reagents is reported, and the nature of the metal complexes formed have been determined using slope analysis techniques and spectroscopic measurements.
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Cobalt-nickel separation: the extraction of cobalt(II) and nickel(II) by Cyanex 301, Cyanex 302 and Cyanex 272
TL;DR: Cyanex 301, Cyanex 302 and Cyanex 272 were used to extract cobalt and nickel from a sulphate medium in order to elucidate any separation properties these phosphinic acid extractants display as mentioned in this paper.
Journal ArticleDOI
Solvent extraction of copper by Cyanex 272, Cyanex 302 and Cyanex 301
Kathryn C. Sole,J. Brent Hiskey +1 more
TL;DR: In this article, the mechanisms of copper(II) solvent extraction by Cyanex 272, Cyanex 302 and Cyanex 301 are discussed, and the enhanced stabilities of the complexes formed with the sulfur-containing ligands are explained in terms of the Hard-Soft Acid-Base concept and pi bonding between the d orbitals of the metal center and the donor atoms.
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Synergistic effect of Cyanex 272 and Cyanex 302 on separation of cobalt and nickel by D2EHPA
D. Darvishi,Davoud Fatmehsari Haghshenas,E. Keshavarz Alamdari,Sayed Khatiboleslam Sadrnezhaad,Mohammad Halali +4 more
TL;DR: In this article, the authors investigated the synergistic effects of Cyanex 272 mixed with D2EHPA and Cyanex 302 mixed with EHPA for the separation of cobalt and nickel from a dilute sulfate media.