Browsing by Author "Sastre Requena, Ana María"
Now showing items 1-20 of 68
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A potential lignocellulosic biomass based on banana waste for critical rare earths recovery from aqueous solutions
(2020-04-29)
Article
Open AccessRare earth elements (REE) present multiple applications in technological devices but also drawbacks (scarcity and water contaminant). The current study aims to valorise the banana wastes - banana rachis (BR), banana ... -
Adsorció de l'herbicida paraquat en alginat de calci
(2009)
Conference report
Open AccessLa sostenibilitat de l’ús de l’aigua esta lligada de forma fonamental al seu ús en l’agricultura. L’activitat agrària afecta directament la qualitat de les aigües. Els residus de fertilitzants i de productes fitosanitaris, ... -
Antimony removal from water by a chitosan-Iron(III)[ChiFer(III)] biocomposite
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-01)
Article
Open AccessThe presence of antimony(III) in water represents a worldwide concern, mainly due to its high toxicity and carcinogenicity potential. It can be separated from water by the use of sustainable biopolymers such as chitosan ... -
Bioderived pickering emulsion based on chitosan/trialkyl phosphine oxides applied to selective recovery of rare Earth elements
(2023-12-13)
Article
Open AccessA novel biobased pickering emulsion (PE) material was prepared by the encapsulation of Cyanex 923 (Cy923) into chitosan (CS) to selectively recover rare earth elements (REEs) from the aqueous phase. The preparation of PE ... -
Boron recovery from seawater with a new low-cost adsorbent material
(2014-10-15)
Article
Restricted access - publisher's policyA new adsorbent [chiFer(III)] for boron recovery from seawater was prepared using chitosan and iron(III) hydroxide. Experiments were carried out in a column system. Seawater samples were collected from the Mediterranean ... -
Boron reduction by supported liquid membranes using ALiCY and ALiDEC ionic liquids as carriers
(2014-04-01)
Article
Restricted access - publisher's policyThe extraction of boron by liquid-liquid extraction and by supported liquid membranes (SLM) using two ionic liquids, the trioctyl/decylmethylammonium-bis(2,4,4-trimethilpentyl) phosphinate (ALiCY IL) and the trioctyl/dec ... -
Boron removal from aqueous solutions by using a novel alginate-based sorbent: Comparison with Al2O3 particles
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-01)
Article
Open AccessBoron removal was evaluated in the present work by using calcium alginate beads (CA) and a novel composite based on alginate–alumina (CAAl) as sorbents in a batch system. The effects of different parameters such as pH, ... -
Boron removal from aqueous solutions using alginate gel beads in fixed-bed systems
(2014-06-01)
Article
Open AccessBACKGROUNDA column sorption study was carried out using calcium alginate gel beads as adsorbent for the removal of boron from aqueous solutions. The breakthrough curve was obtained as a function of pH, initial concentration ... -
Boron removal from seawater by supported liquid membranes
(2009)
Conference lecture
Restricted access - publisher's policyWater covers 70% of the Earth’s surface but, even so water is becoming a scarce resource. In order to achieve the target 7.c of the Millennium Development Goals, to assure potable water for the people without sustainable ... -
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
Open AccessThis 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
Open AccessThe 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)
Conference lecture
Restricted access - publisher's policyThe 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
Open AccessRecovering 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
Open AccessThis 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
Restricted access - publisher's policyA 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
Open AccessAbstract: 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)
Book
Restricted access to the UPC academic communityAquest 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)
Book
Restricted access to the UPC academic communityAquest 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)
Book
Restricted access to the UPC academic communityAquest 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)
Book
Restricted access to the UPC academic communityAquest 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 ...
