Exploració per tema "Nanofiltration"
Ara es mostren els items 21-40 de 66
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Evaluating the integration of nanofiltration membranes in advanced water reclamation schemes using synthetic solutions: From phosphorous removal to phosphorous circularity
(2022-06)
Article
Accés restringit per política de l'editorialThe more stringent regulations related to the reduction of residual phosphorous concentration in treated wastewater and the consideration of phosphorous as a critical raw material are boosting new technologies towards its ... -
Evaluation of nanofiltration membranes for recovery and concentration of rare earth elements from acidic waters
(Universitat Politècnica de Catalunya, 2016-09-05)
Projecte Final de Màster Oficial
Accés obertAcid Mine Drainage (AMD) is a by-product of mining industry which represents an environmental problem in terms of its acidity and high content of heavy metals. These properties make aqueous streams to be a toxic mixture ... -
Evaluation of nanofiltration membranes for the valorization of high salinity currents of sodium sulphate in the management schemes of acid mine waters: removal of salinity and valorization of Na2SO4 for on-site applications
(Universitat Politècnica de Catalunya, 2023-07-06)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitatL'enorme impacte ambiental i el potencial contaminant de les Aigües Àcides de Mina (Acid Mine Water, AMW), així com l'augment de la sequera i l'escassetat de matèries primeres crítiques, han intensificat la preocupació ... -
Evolution of electrolyte mixtures rejection behaviour using nanofiltration membranes under spiral wound and flat-sheet configurations
(2014-04-27)
Article
Accés restringit per política de l'editorialNanofiltration (NF) membranes can be used in different configurations. The aim of this work was to determine the reliability of the data obtained using flat-sheet (FS) laboratoryscale configuration when NF membranes are ... -
Experimentació i modelització del rebuig d’espècies iòniques mitjançant nanofiltració en la potabilització d’aigües salobres
(Universitat Politècnica de Catalunya, 2012-06)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorDurant el treball final de màster (TFM) s’ha volgut avaluar i modelitzar el rebuig de diverses espècies iòniques mitjançant una membrana de nanofiltració (NF), amb dues configuracions diferents: plana i en espiral. Es ... -
Experimental and theoretical study of nanofiltration of weak electrolytes: SO4 2–/HSO4 –/H+ system
(2018-03-15)
Article
Accés obert© 2018 Elsevier B.V. Over recent years, nanofiltration (NF) has been considered as an effective way to improve processing steps in metallurgical and hydrometallurgy applications dealing with mixtures of metal ions in ... -
Fate of pharmaceuticals and their transformation products in integrated membrane systems for wastewater reclamation
(2018-01)
Article
Accés obertThe removal of pharmaceuticals (PhACs) present in urban wastewater by membrane bioreactors (MBRs) followed by reverse osmosis (RO) or nanofiltration (NF) membranes has been frequently addressed in the literature. However, ... -
Fenton coupled with nanofiltration for elimination of Bisphenol A
(2014-07-15)
Article
Accés obertBisphenol A (BPA) is a typical Endocrine Disrupting Chemical (EDC), which is potentially harmful during wastewater reclamation. In this study, its degradation during Fenton's process under different operational conditions ... -
Fenton coupled with nanoflitration for elimination of tartrazine
(2012)
Article
Accés restringit per política de l'editorial -
From nanofiltration membrane permeances to design projections for the remediation and valorisation of acid mine waters
(Elsevier, 2020-10-10)
Article
Accés obertAcidic Mine Waters (AMWs) are characterised by high acidity (pH¿<¿3) as H2SO4 and elevated contents of metals (Al, Fe, Cu, Zn), including rare earth elements (REEs). Due to the exhaustion of minable REE containing-minerals, ... -
Fundamentals of selective ion transport through multilayer polyelectrolyte membranes
(2013-01-14)
Article
Accés restringit per política de l'editorialMembranes composed of multilayer poly(4-styrenesul- fonate) (PSS)/protonated poly(allylamine) (PAH) fi lms on porous alumina supports exhibit high monovalent/divalent cation selectivities. Remarkably, the di ff usion ... -
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 chemical speciation on the separation of metal ions from chelating agents by nanofiltration membranes
(2018-01-01)
Article
Accés obertThe simultaneous separation of various metal ions (nickel, copper, calcium, and iron) from chelating agents (EDTA and citric acid in water streams using Nanofiltration membranes is analyzed. Assuming that multiply-charged ... -
Influence of coion and counterion size on multi-ionic solution nanofiltration
(2009-12)
Article
Accés obert -
Influence of pH and operation variables on biogenic amines nanofiltration
(2008)
Article
Accés restringit per política de l'editorial -
Integration of diffusion dialysis for sulphuric acid recovery from metallurgical process streams
(2018)
Comunicació de congrés
Accés obert -
Integration of membrane processes for the recovery and separation of polyphenols from winery and olive mill wastes using green solvent-based processing
(Elsevier, 2022-04-01)
Article
Accés obertWinery and olive mill industries generate large amounts of wastes causing important environmental problems. The main aim of this work is the evaluation of different membrane separation processes like microfiltration, ... -
Integration of nanofiltration and reverse osmosis technologies in polyphenols recovery schemes from winery and olive mill wastes by aqueous-based processing
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-01)
Article
Accés obertMore sustainable waste management in the winery and olive oil industries has become a major challenge. Therefore, waste valorization to obtain value-added products (e.g., polyphenols) is an efficient alternative that ... -
Investigation of the dielectric properties of nanofiltration membranes
(2013-04-15)
Article
Accés restringit per política de l'editorialMembrane nanofiltration is extremely complex and is dependent on the micro-hydrodynamics and interfacial events occurring at the membrane surface and within the membrane nanopores. There is significant debate as to the ... -
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 ...