Exploració per tema "Membranes (Technology)"
Ara es mostren els items 61-80 de 137
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Implications of inhomogeneous distribution of concentration polarization for interpretation of pressure-driven
(2016-08-22)
Article
Accés obertA number of CFD studies have demonstrated that there is a considerable inhomogeneity of extent of Concentration Polarization (CP) over the membrane surface especially in spacer-filled feed channels. However, the consequences ... -
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 ... -
Improving the performance of polyamide Nano-filtration membrane in acidic media by incorporation of modified multi-walled carbon nanotubes
(2018)
Comunicació de congrés
Accés obert -
Increasing sustainability on the metallurgical industry by integration of membrane nanofiltration processes: acid recovery
(2019-11-01)
Article
Accés obertThe metallurgical industry generates large volumes of toxic effluents characterised, generally, by high acidity and a noticeable content of metals (Fe, Cu and Zn) and non-metals (As, Sb, Bi). The toxicity of these streams ... -
Influence of membrane sealing in pressure-driven test cells on their performance
(2019-01-01)
Article
Accés obertThis communication demonstrates the relevance of membrane sealing in a test cell to its performance. Membranes need to be sealed, and therefore a more or less significant (depending on the test cell design) peripheral part ... -
Integració de processos d’extracció i tecnologies de membranes per la separació i recuperació de polifenols de residus agro-alimentaris
(Universitat Politècnica de Catalunya, 2020-02-04)
Treball Final de Grau
Accés obertEls residus de la industria agro-alimentària,si no es gestionen correctament,suposen un gran problema a nivell mundial a causa de la gran quantitat que se’n genera i la seva toxicitat. En aquest treball s’estudien dos ... -
Integración de diálisis por difusión per la recuperación del exceso de ácido sulfúrico en el procesado de concentrado de tierras raras (REE)
(Universitat Politècnica de Catalunya, 2023-07-03)
Treball Final de Grau
Accés restringit per acord de confidencialitatEl trabajo realizado consiste en el estudio experimental de la recuperación y purificación de ácido sulfúrico de corrientes residuales mediante un proceso de separación llamado diálisis por difusión con membranas de ... -
Integration of diffusion dialysis for sulphuric acid recovery from metallurgical process streams
(2018)
Comunicació de congrés
Accés obert -
Integration of liquid-liquid membrane contactors and electrodialysis for ammonia recovery from urban wastewaters
(2018)
Comunicació de congrés
Accés obertLLMC is an innovativ e and eco - friendly technology for ammonium salts production ; ED can concentrate efficient ly ammonium salts ; Concentrated ammonium salts can be obtained by means of integration processes ( LLMC and ... -
Integration of membrane technologies to enhance the sustainability in the treatment of metal-containing acidic liquid wastes. An overview
(2021-06-15)
Article
Accés obertThe mining and hydrometallurgical industries generate effluents characterised by a high acidity (pH < 3) and a high content of metals (e.g. Fe, Al, Cu and Zn, among others) and non-metals (e.g. As, Sb, Bi), which confers ... -
Integration of monopolar and bipolar electrodialysis for valorization of seawater reverse osmosis desalination brines: Production of strong acid and base
(2016-07-14)
Article
Accés obertWater scarcity in the Mediterranean basin has been solved by using seawater desalination reverse osmosis technology (SWD-RO). This technology produces brine which is discharged back into the sea resulting in an environmental ... -
Integration of nanofiltration membranes in recovery options of rare earth elements from acidic mine waters
(2019-02-10)
Article
Accés obertAcid mine waters (AMWs) are characterized by a low pH, high concentrations of transition metals (iron, copper, zinc), and the presence of highly valuable metals such as rare earth elements (REE) at lower concentrations. ... -
Integration of powdered Ca-activated zeolites in a hybrid sorption-membrane ultrafiltration process for phosphate recovery
(2016-05-04)
Article
Accés obertThe feasibility of continuous phosphate recovery, by adsorption on powdered Ca-activated zeolite (PAZ), was assessed in a hybrid sorption membrane ultrafiltration (UF) system. The objective was to explore the influence of ... -
Integration of selectrodialysis and ion-exchange for copper and zinc recovery from metallurgical process streams containing arsenic
(2018)
Comunicació de congrés
Accés obert -
Ion-exchange membranes in chlor-alkali process
(Springer, 2016)
Capítol de llibre
Accés restringit per política de l'editorial -
Journal of Membrane Science & Research
(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 ... -
Las membranas y su valor en la arquitectura
(Universitat Politècnica de Catalunya, 2023-09-21)
Treball Final de Grau
Accés obertEl trabajo tiene como objetivo principal dar valor arquitectónico a las membranas. Entender que, debido al desarrollo de la arquitectura han ido adoptando un papel importante, pero este ha sido más servicial que formal. ... -
Membranas fabricadas a partir de cristales coloidales
(Universitat Politècnica de Catalunya / Instituto Tecnológico de Buenos Aires, 2011)
Projecte/Treball Final de Carrera
Accés obertLas membranas poliméricas fabricadas a partir de cristales coloidales, poseen excelentes propiedades en lo referente a su área específica y selectividad. Los depósitos de nano -partículas de diferentes tamaños ordenados ... -
Membrane based techniques in analytical applications
(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 ... -
Membrane technology comparison in brackish water purification
(Universitat Politècnica de Catalunya, 2010-09)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThis work reviews membrane technologies- specifically Brackish Water Revere Osmosis (BWRO), Nanofiltration (NF) and Electrodyalisis Reversal (EDR), for drinking water production from brackish waters at lab, pilot and ...