Exploració per tema "Membranes líquides"
Ara es mostren els items 1-19 de 19
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A comparative study of the selective transport of Zn/Cd and Pt/Pd couples with activated composite membranes and hybrid membranes
(2009-05-15)
Article
Accés restringit per política de l'editorialSupported liquid membranes (SLMs) have demonstrated all along the years every high selectivity in facilitated transport of metal ions, however, they have some well known limitations, such as the gradual loss of the organic ... -
Boron reduction by supported liquid membranes using ALiCY and ALiDEC ionic liquids as carriers
(2014-04-01)
Article
Accés restringit per política de l'editorialThe 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)
Comunicació de congrés
Accés restringit per política de l'editorialWater 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)
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 ... -
Design, Manufacture and Properties of Cr-Re Alloys for Apllication in Satellite Thrusters.
(Universitat Politècnica de Catalunya, 2006-10-30)
Tesi
Accés obertAquesta tesi ha consistit en el disseny, fabricació i estudi de les propietats d'aleacions Cr-Re destinades a substituir els aliatges base Pt utilitzats en els motors d'apogeu i de correcció orbital de satél.lits i ha estat ... -
Hollow fiber liquid membrane: a promising approach for elimination of pharmaceutical compounds from wastewater
(Elsevier, 2023-12-01)
Article
Accés obertPharmaceutical compounds present in water pose significant challenges, particularly due to their low concentrations in water streams. Hollow fiber liquid membranes provide a flexible and easily manageable solution, enabling ... -
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 ... -
Integración de tecnologías de membranas para la separación y purificación de boro a partir de salmueras de desalinización de agua de mar
(Universitat Politècnica de Catalunya, 2023-10-25)
Treball Final de Grau
Accés restringit per acord de confidencialitatLa idea principal del trabajo consistía en la recuperación de boro a partir de salmuera sintética mediante electrodiálisis con membranas bipolares (EDBM). En este caso, la recuperación de boro se consigue mediante la ... -
Intensification of diclofenac removal through supported liquid membrane and ozonation
(Elsevier, 2024-02-01)
Article
Accés obertPharmaceutical contaminants are frequently encountered at trace concentrations in various environmental ecosystems. This study introduces a significant approach to water treatment and environmental remediation by combining ... -
Ionic liquids as a carrier for chloride reduction from brackish water using hollow fiber renewal liquid membrane
(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 ... -
Mathematical modeling for facilitated transport of Ge(IV) through supported liquid membrane containing Alamine 336
(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 ... -
Non-dispersive selective extraction of germanium from fly ash leachates using membrane-based processes
(2019-01-07)
Article
Accés obertNon-dispersive selective extraction of Ge(IV) tartrates was carried out from simulated fly ash solutions containing heavy metals through supported liquid membranes (SLM). The optimum transport was obtained using a PTFE ... -
Recuperació de bor a partir de salmorres d'aigua de mar mitjançant membranes modificades d'electrodiàlisi i resines d'intercanvi iònic
(Universitat Politècnica de Catalunya, 2023-10-25)
Treball Final de Grau
Accés restringit per acord de confidencialitatLes plantes dessalinitzadores d’aigua de mar són una de les principals fonts d’aigua potable i, per tant, un recurs per lluitar contra l’escassetat de l’aigua. La tecnologia que domina aquest sector és l’osmosi inversa, ... -
Relaxation dynamics of fluid membranes
(2009-03)
Article
Accés obertWe study the effect of membrane viscosity in the dynamics of liquid membranes{possibly with free or internal boundaries{ driven by conservative forces (curvature elasticity and line tension) and dragged by the bulk dissipation ... -
Selective separation of Germanium(IV) from simulated industrial leachates containing heavy metals by non-dispersive ionic extraction
(2019-06-15)
Article
Accés obertGermanium can be found in industrial leachates of coal gasification fly ashes or zinc plant residues, containing various heavy metals. In this research, the selective separation of germanium from simulated water coal ... -
Supported liquid membranes for the removal of pharmaceuticals from aqueous solutions
(2022-10)
Article
Accés obertIn the following study, the extraction of three pharmaceutical compounds: Diclofenac (DCF), ibuprofen (IBP), and carbamazepine (CBZ) by liquid-liquid extraction and their transport by supported liquid membrane (SLM) using ... -
Tractament del corrent residual originat en l'hidrogenació de breas orgàniques mitjançant membranes líquides suportades
(Universitat Politècnica de Catalunya, 2017-01)
Treball Final de Grau
Accés restringit per decisió de l'autorEn aquest projecte es pretén purificar una solució amb un alt contingut en sulfat de níquel II. En aquesta, i en forma de sulfats, apareixen els següents metalls: magnesi, ferro, calci, cobalt, zinc i manganès, i àcid ... -
Transport of Zn(II), Fe(II), Fe(III) across polymer inclusion membranes (PIM) and flat sheet supported liquid membranes (SLM) containing phosphonium ionic liquids as metal ion carriers
(2016-06-11)
Article
Accés obertIn this work transport of Zn(II), Fe(II) and Fe(III) ions from chloride aqueous solutions across polymer inclusion membranes (PIMs) and supported liquid membranes (SLMs) containing one of three phosphonium ionic liquids: ... -
Use of methyltrioctyl/decylammonium bis 2,4,4-(trimethylpentyl)phosphinate ionic liquid (ALiCY IL) on the boron extraction in chloride media
(2012-09-03)
Article
Accés restringit per política de l'editorialRecent restriction of boron concentration in drinking water has produced some problems in the seawater desalinization plants because the rejection of boron in most of the plants is inadequate. Three ionic liquids derived ...