Browsing by Author "Coll Ausió, Mª Teresa"
Now showing items 1-20 of 28
-
Aplicació de la química bàsica en un context: medi ambient, alimentari o agronòmic
(Universitat Politècnica de Catalunya, 2023-12-20)
Coursework
Open AccessAquest document consta del plantejament d’un conjunt de 10 treballs de síntesi final de l’assignatura. Els treballs estan dissenyats amb l’objectiu de visualitzar com els conceptes bàsics de química que s’expliquen a ... -
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 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 ... -
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 ... -
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. ... -
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
Open AccessA 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 ... -
Improved rare earth elements recovery from fluorescent lamp wastes applying supported liquid membranes to the leaching solutions
(2019-10-01)
Article
Open AccessDue 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 ... -
Ionic liquids as a carrier for chloride reduction from brackish water using hollow fiber renewal liquid membrane
(2014-06-16)
Article
Open AccessHigh 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 ... -
Mathematical modeling of cadmium(II) solvent extraction from neutral and acidic chloride media using Cyanex
(Elsevier, 2010-07-29)
Article
Restricted access - publisher's policyThis 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 modelling of neodymium, terbium and dysprosium solvent extraction from chloride media using methyl-tri(octyl/decyl)ammonium oleate ionic liquid as extractant
(Elsevier, 2017-11)
Article
Open AccessThis 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 ... -
Mind the gap: estratègies per superar amb èxit i amb motivació les matèries de matemàtiques i química dels graus d'Enginyeria de Biosistemes i Agroalimentària
(Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2022-05)
Article
Open AccessEl projecte “Mind the gap: Estratègies per superar amb èxit i amb motivació les matèries de Matemàtiques i Química dels graus d'Enginyeria de Biosistemes i Agroalimentària” proposava una doble línia d’actuació seguint un ... -
Minding the gap between secondary school and university
(Universitat Politècnica de Catalunya, 2022-09)
Conference report
Open AccessThe renewal of engineering education requires an education that is more affected by students' circumstances which, if known, will help to guide them into the future. It is about channelling the students towards learning, ... -
Neodymium recovery from NdFeB magnet wastes using Primene 81R·Cyanex 572 IL by solvent extraction
(2018-09-15)
Article
Open AccessThe 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 ... -
Non-dispersive extraction of ge(IV) from aqueous solutions by cyanex 923: Transport and modeling studies
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-06-11)
Article
Open AccessTransport process of germanium from an aqueous solution containing oxalic acid and 100 mg/L Ge was studied. Cyanex 923 immobilized in a polytetrafluoroethylene membrane was employed as a carrier in a flat-sheet supported ... -
Permeability dependencies on the carrier concentration and membrane viscosity for Y(III) and Eu(III) transport by using liquid membranes
(2020-05-15)
Article
Open AccessThe recovery of Y(III) and Eu(III) from fluorescent lamp leachates via supported liquid membranes using Cyanex 923 as a carrier has been studied. The results reveal that the transport process is mainly controlled by the ... -
Química bàsica: els equilibris en medi aquós
(Universitat Politècnica de Catalunya, 2024-01-19)
Lecture notes
Open AccessEls apunts de l’assignatura és un document on s’inclouen les explicacions dels 7 temes que es desenvolupen a les classes de teoria a l’assignatura. El contingut de l’assignatura està centrat en les reaccions d’equilibri ... -
Química bàsica: Pràctiques de laboratori d'equilibris en medi aquós
(Universitat Politècnica de Catalunya, 2023-12-20)
Practice
Open AccessAquest document recull el guió de 5 sessions de pràctiques de laboratori que formen part de la programació docent de l’assignatura. Anàlogament al contingut de teoria, es centren en les reaccions d’equilibri en medi aquós. ... -
Química bàsica: Qüestions i problemes d'equilibris en medi aquós
(Universitat Politècnica de Catalunya, 2024-01-19)
Problem statement, exercise
Open AccessAquest document recull la col·lecció de preguntes test, qüestions i problemes numèrics sobre els 7 temes que formen el programa de l’assignatura. Anàlogament a el contingut de teoria, es centren en les reaccions d’equilibri ...
