Exploració per autor "Sastre Requena, Ana María"
Ara es mostren els items 21-40 de 68
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Evaluation of torrefied poplar-biomass as a low-cost sorbent for lead and terbium removal from aqueous solutions and energy co-generation
Demey Cedeño, Hary; Melkior, Thierry; Chatroux, A.; Attar, Keltoum; Sastre Requena, Ana María (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
Obón Estrada, Eleonora; Fortuny Sanromá, Agustín; Coll Ausió, Mª Teresa; Sastre Requena, Ana María (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
Javadian, Hamedreza; Ghasemi, Maryam; Ruiz Planas, Montserrat; Sastre Requena, Ana María; Hosseini Asl, Seyed Mostafa; Masomi, Mojtaba (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
Kamran Haghighi, Hossein; Irannajad, Mehdi; Sastre Requena, Ana María (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
Pabby, Anil Kumar; Wickramasinghe, Ranil; K. Sirkar, Kamalesh; Sastre Requena, Ana María (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
Pabby, Anil Kumar; Swain, Biswajit; Sastre Requena, Ana María (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
Guibal, E.; Figuerola Piñol, A.; Ruiz Planas, Montserrat; Vincent, T.; Sastre Requena, Ana María; Jouannin, C. (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
Pavón Regaña, Sandra; Fortuny Sanromá, Agustín; Coll Ausió, Mª Teresa; Sastre Requena, Ana María (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
Benabdallah, Nabil; Luo, Da-shuang; Hadj Youcef, Mohammed; López Rodríguez, Julio; Fernández de Labastida Ventura, Marcos; Sastre Requena, Ana María; Valderrama Ángel, César Alberto; Cortina Pallás, José Luís (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 ... -
Iniciatives per al seguiment de la qualitat dels estudis a la UPC
Sastre Requena, Ana María (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2011-02-02)
Comunicació de congrés
Accés obert -
Ionic liquids as a carrier for chloride reduction from brackish water using hollow fiber renewal liquid membrane
Fortuny Sanromá, Agustín; Coll Ausió, Mª Teresa; Sastre Requena, Ana María (2014-06-16)
Article
Accés obertHigh concentration of chloride ions in continental water is a great problem for the exploitation of these natural resources. In industry, the use of this water involves additional conditioning steps. For drinking water and ... -
Journal of Membrane Science & Research
Rathore, Narendra Singh; Sastre Requena, Ana María; Pabby, Anil Kumar (2016-01)
Article
Accés obertMembrane assisted liquid extraction (MALE) technologies are gaining an important role as an extraction /separation technique for actinides and are being deployed as a promising tool for remediation of nuclear waste ... -
Mathematical modeling for facilitated transport of Ge(IV) through supported liquid membrane containing Alamine 336
Kamran Haghighi, Hossein; Irannajad, Mehdi; Fortuny Sanromá, Agustín; Sastre Requena, Ana María (2018-04-01)
Article
Accés obertA mathematical model was developed for the germanium facilitated transport from a medium containing tartaric acid using Alamine 336 as a carrier. Modeling was carried out based on the extraction constant (Kext) obtained ... -
Mathematical modeling of cadmium(II) solvent extraction from neutral and acidic chloride media using Cyanex
Leopold, Agnieszka Ana; Coll Ausió, Mª Teresa; Fortuny Sanromá, Agustín; Rathore, Narendra Singh; Sastre Requena, Ana María (Elsevier, 2010-07-29)
Article
Accés restringit per política de l'editorialThis paper describes experimental work and the mathematical modeling of solvent extraction of cadmium( II) from neutral and acidic aqueous chloride media with a Cyanex 923 extractant in Exxol D-100. Solvent extraction ... -
Mathematical modeling on non-dispersive extraction of germanium from aqueous solutions using Aliquat 336
Kamran Haghighi, Hossein; Irannajad, Mehdi; Fortuny Sanromá, Agustín; Sastre Requena, Ana María (2018-12-28)
Article
Accés obertIn this work, the mathematical modeling of the facilitated transport of germanium (non-dispersive extraction) through a flat sheet membrane with an Aliquat 336 carrier was described. The flat sheet supported liquid membrane ... -
Mathematical modelling of neodymium, terbium and dysprosium solvent extraction from chloride media using methyl-tri(octyl/decyl)ammonium oleate ionic liquid as extractant
Obón Estrada, Eleonora; Fortuny Sanromá, Agustín; Coll Ausió, Mª Teresa; Sastre Requena, Ana María (Elsevier, 2017-11)
Article
Accés obertThis paper collects experimental data and mathematical modelling of Nd(III), Tb(III) and Dy(III) solvent extraction with an ionic liquid prepared from Aliquat 336 (Methyl-tri(octyl/decyl)ammonium chloride) and Oleic Acid ... -
Membrane based techniques in analytical applications
Pabby, Anil Kumar; SHARMA, PRABHAKAR; Swain, Biswajit; Patil, C.B.; Dubey, K.; Sastre Requena, Ana María (2018-01-15)
Article
Accés restringit per política de l'editorialThis article presents an overview of the various membrane-based systems and their role in analytical applications. This includes a systematic review of the various membrane extraction methods used to determine variuos ... -
Neodymium recovery by chitosan/iron(III) hydroxide [ChiFer(III)] sorbent material: Batch and column systems
Demey Cedeño, Hary; Lapo, Byron; Ruiz Planas, Montserrat; Fortuny Sanromá, Agustín; Marchand, Muriel; Sastre Requena, Ana María (2018-02-19)
Article
Accés obertA low cost composite material was synthesized for neodymium recovery from dilute aqueous solutions. The in-situ production of the composite containing chitosan and iron(III) hydroxide (ChiFer(III)) was improved and the ... -
Neodymium recovery from NdFeB magnet wastes using Primene 81R·Cyanex 572 IL by solvent extraction
Pavón Regaña, Sandra; Fortuny Sanromá, Agustín; Coll Ausió, Mª Teresa; Sastre Requena, Ana María (2018-09-15)
Article
Accés obertThe necessity of Rare Earth Elements (REEs) recycling is crucial to minimizing their supply risk and provide an alternative to greener technologies. Hence, the REEs recovery from NdFeB magnet wastes using cationic extractants ... -
Neodymium recovery from the aqueous phase using a residual material from saccharified banana-rachis/polyethylene-glycol
Lapo Calderón, Byron Gonzalo; Pavón Regaña, Sandra; Bertau, Martin; Demey Cedeño, Hary; Meneses, Miguel; Sastre Requena, Ana María (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-27)
Article
Accés obertNeodymium (Nd) is a key rare earth element (REE) needed for the future of incoming technologies including road transport and power generation. Hereby, a sustainable adsorbent material for recovering Nd from the aqueous ...