Exploració per autor "Sastre Requena, Ana María"
Ara es mostren els items 10-29 de 68
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Ca-alginate/carboxymethyl chitosan/Ni0.2Zn0.2Fe2.6O4 magnetic bionanocomposite: Synthesis, characterization and application for single adsorption of Nd+3, Tb+3, and Dy+3 rare earth elements from aqueous media
(2020-05-15)
Article
Accés obertThis study aims to research the adsorption of Nd+3, Tb+3, and Dy+3 from aqueous media onto the magnetic calcium alginate/carboxymethyl chitosan/Ni0.2Zn0.2Fe2.6O4 (CA/CMC/Ni0.2Zn0.2Fe2.6O4) bionanocomposite in a single ... -
Cadmium removal by a low-cost magadiite-based material: Characterization and sorption applications
(Elsevier, 2018-08-01)
Article
Accés obertThe sorption of cadmium from nitrate medium at room temperature was carried out using solid phase magadiite and magadiite impregnated with Cyanex 272 [bis(2,4,4-trimethylpentyl)phosphinic acid]. The sorbent materials have ... -
Chloride reduction from brackish water by supported liquid membranes using ionic liquids as carriers
(2012)
Comunicació de congrés
Accés restringit per política de l'editorialThe desalinization of the continental waters is one of the actual challenges on supplying water requirements. Water with high contents in salts is inadequate for drinking water and irrigation uses. In the industry this ... -
Comparison of Cyanex 272 and Cyanex 572 for the separation of Neodymium froma Nd/Tb/Dy mixture by pertraction
(2017-09-29)
Article
Accés obertRecovering Nd(III) from wastemagnets is an alternative method to satisfy the increasing demand for this metal. For this reason, the separation of Nd from a mixture containing Nd/Tb/Dy in chloride media using Cyanex 272 and ... -
Counter-current separation of cobalt(II)–nickel(II) from aqueous sulphate media with a mixture of Primene JMT-Versatic 10 diluted in kerosene
(2019-02-27)
Article
Accés obertThis work claims the use of the mixture of Primene®JMT-Versatic 10 [HJMT+·Versatic-] IL diluted in Kerosene as an extractant for cobalt/nickel separation from sulphate media by solvent extraction technique, its application ... -
Development of a new chitosan/Ni(OH)(2)-based sorbent for boron removal
(2014-05-15)
Article
Accés restringit per política de l'editorialA new composite containing chitosan (as the encapsulating material) and nickel (II) hydroxide [chiNi(II)] has been manufactured for the removal of boron from aqueous solutions. The biosorbent was characterised using SEM ... -
Effect of phase modifiers on boron removal by solvent extraction using 1,3 diolic compounds
(2014-06)
Article
Accés obertAbstract: BACKGROUND: Among the polyols, 1,3 diols are selective and efficient extractants for boron but significant solubility of these into aqueous solutions restricts their application in large scale separation processes. ... -
Equilibri iònic i cinètica : problemes
(Edicions UPC, 1996)
Llibre
Accés restringit a la comunitat UPCAquest llibre s'adreça principalment als alumnes que cursen les assignatures Química I, de la titulació d'Enginyeria Industrial, i Equilibris iònics, de la titulació d'Enginyeria Química, ambdues impartides a l'Escola ... -
Equilibri iònic i cinètica : problemes
(Edicions UPC, 2004)
Llibre
Accés restringit a la comunitat UPCAquest llibre s'adreça principalment als alumnes que cursen les assignatures Química I, de la titulació d'Enginyeria Industrial, i Equilibris iònics, de la titulació d'Enginyeria Química, ambdues impartides a l'Escola ... -
Equilibri iònic i cinètica : problemes
(Edicions UPC, 2003)
Llibre
Accés restringit a la comunitat UPCAquest llibre s'adreça principalment als alumnes que cursen les assignatures Química I, de la titulació d'Enginyeria Industrial, i Equilibris iònics, de la titulació d'Enginyeria Química, ambdues impartides a l'Escola ... -
Equilibris químics en dissolució
(Edicions UPC, 2005)
Llibre
Accés restringit a la comunitat UPCAquest llibre s'adreça principalment als alumnes que cursen les assignatures Química I, de la titulació d'Enginyeria Industrial, i Equilibris iònics, de la titulació d'Enginyeria Química, ambdues impartides a l'Escola ... -
Evaluation of torrefied poplar-biomass as a low-cost sorbent for lead and terbium removal from aqueous solutions and energy co-generation
(2019-04-01)
Article
Accés obertTwo low-cost renewable poplar-based materials were manufactured in this work for energy production and as sorbents for lead and terbium removal from aqueous effluents. Torrefaction was used as a pretreatment process for ... -
Experimental and modelling studies of neodymium solvent extraction from chloride media with methyl-tri(octyl/decyl)ammonium oleate ionic liquid diluted in kerosene
(Elsevier, 2017-12-01)
Article
Accés obertA study of the solvent extraction process of Nd(III) from chloride solutions has been carried out using an ionic liquid (AliOle) prepared from Aliquat 336 (Methyl-tri(octyl/decyl)ammonium chloride) and Oleic Acid. The IL ... -
Fuzzy logic modeling of Pb (II) sorption onto mesoporous NiO/ZnCl2-Rosa Canina-L seeds activated carbon nanocomposite prepared by ultrasound-assisted co-precipitation technique
(2018-01-01)
Article
Accés obertIn this study, NiO/Rosa Canina-L seeds activated carbon nanocomposite (NiO/ACNC) was prepared by adding dropwise NaOH solution (2 mol/L) to raise the suspension pH to around 9 at room temperature under ultrasonic irradiation ... -
Germanium transport across supported liquid membrane with Cyanex 923: Mathematical modeling
(2019-09-01)
Article
Accés obertA mathematical model was developed to monitor the facilitated transport of germanium(IV) from oxalic acid solutions through a flat sheet supported liquid membrane (FSSLM) containing four trialkylphosphine oxides (Cyanex ... -
Hollow fiber membrane contactors. Introduction and perspectives
(CRC Press, 2020-11-24)
Capítol de llibre
Accés restringit per política de l'editorialOver the last two decades, hollow fiber contactor-based technology has grown into an accepted unit operation for a wide variety of separations. The increase in the use of this technology, owing to strict environmental ... -
Hollow fiber membrane-based analytical techniques recent advances
(CRC Press, 2020-11-24)
Capítol de llibre
Accés restringit per política de l'editorialProblems of chemical analysis almost always involve two steps; separation of the desired constituent and measurement of the amount or concentration of this constituent. Under the scope of these two steps, sample preparation, ... -
Immobilization of cyphos ionic liquids in alginate capsules for Cd(II) sorption
(2010-01)
Article
Accés restringit per política de l'editorialFour phosphonium ionic liquids (Cyphos IL-101, IL-105, IL-109, and IL-111) have been immobilized in composite biopolymer capsules (alginate/gelatin). The resins were tested for Cd(II) sorption in HCl solutions. Cyphos ... -
Improved rare earth elements recovery from fluorescent lamp wastes applying supported liquid membranes to the leaching solutions
(2019-10-01)
Article
Accés obertDue to the continuously growing demand of rare earths in advanced technologies, end-of-life fluorescent lamps may become feasible rare earth elements (REEs) raw materials, reducing thus their supply risk. Considering acid ... -
Increasing the circularity of the copper metallurgical industry: Recovery of Sb(III) and Bi(III) from hydrochloric solutions by integration of solvating organophosphorous extractants and selective precipitation
(2023-02-01)
Article
Accés obertThe lack of high-purity ores has made the copper industry exploit low-impurity ores containing As, Sb and Bi which can affect the final product quality due to the floating insoluble arsenates. This is usually solved by ...
