Browsing by Author "Reig i Amat, Mònica"
Now showing items 1-20 of 38
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Ammonium removal by liquid–liquid membrane contactors in water purification process for hydrogen production
(2015-01-01)
Article
Open Access© 2014 Balaban Desalination Publications. All rights reserved. In this work, a liquid–liquid membrane contactor (LLMC) was evaluated to remove ammonia traces from water used for hydrogen production by electrolysis. Three ... -
Application of nanofiltration for acidic waters containing rare earth elements: Influence of transition elements, acidity and membrane stability
(2018-03-15)
Article
Restricted access - publisher's policy© 2017 Elsevier B.V. Acid mine drainage (AMD) is considered the main environmental problem in mining operation due to its acidity, metal content (Fe, Al, Zn, Cu) and onerous associated treatment cost. However, the presence ... -
Application of selectrodialysis for the removal of as from metallurgical process waters: Recovery of Cu and Zn
(2017-12-19)
Article
Restricted access - publisher's policyIn this work, selectrodialysis (SED) was used to separate arsenic (As(V)) from copper (Cu(II)) and (Zn(II)) of acidic metallurgical process streams by integrating non-selective and selective membranes. The separation process ... -
Comparison of acid-resistant ceramic and polymeric nanofiltration membranes for acid mine waters treatment
(2020-02-15)
Article
Restricted access - publisher's policyAcid-resistant ceramic and polymeric nanofiltration (NF) membranes have been identified as relevant materials for sustainable management of acidic streams. NF properties such as a high passage of single-charged ions and ... -
Concentration of NaCl from seawater reverse osmosis brines for the chlor-alkali industry by electrodialysis
(2014-06-02)
Article
Restricted access - publisher's policyCurrently, numerous studies are focused on the valorisation of seawater desalination reverse osmosis brines. Electrodialysis can be used to concentrate one of the primary components (NaCI) and obtain a suitable raw material ... -
Evaluation of NF membranes as treatment technology of acid mine drainage: metals and sulfate removal
(2018-08-15)
Article
Restricted access - publisher's policyAcid mine drainage (AMD) are acidic streams rich in dissolved ferrous and non-ferrous metal sulfates and minor amounts of non-metals. Nanofiltration (NF) has been postulated as a potential technology in the metallurgical ... -
Evaluation of polymeric nanofiltration membranes on metal valorisation from acidic mine waters
(2018)
Conference lecture
Open Access -
Evolution of electrolyte mixtures rejection behaviour using nanofiltration membranes under spiral wound and flat-sheet configurations
(2014-04-27)
Article
Restricted access - publisher's policyNanofiltration (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)
Master thesis
Restricted access - author's decisionDurant 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: HSO4 - /SO4 2- system
(2018)
Conference lecture
Open Access -
Experimental and theoretical study of nanofiltration of weak electrolytes: SO4 2–/HSO4 –/H+ system
(2018-03-15)
Article
Restricted access - publisher's policy© 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 ... -
Increasing sustainability on the metallurgical industry by integration of membrane nanofiltration processes: acid recovery
(2019-11-01)
Article
Restricted access - publisher's policyThe 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 ... -
Integration of diffusion dialysis for sulphuric acid recovery from metallurgical process streams
(2018)
Conference lecture
Open Access -
Integration of electrically driven membrane separation processes for water treatment and resources recovery
(Universitat Politècnica de Catalunya, 2016-12-19)
Doctoral thesis
Open AccessNowadays, due to the growing fresh water demand, several processes are used to purify seawater by means of desalination or industrial brackish water by different treatment processes. The main limitation of these techniques ... -
Integration of liquid-liquid membrane contactors and electrodialysis for ammonia recovery from urban wastewaters
(2018)
Conference lecture
Open AccessLLMC 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 monopolar and bipolar electrodialysis for valorization of seawater reverse osmosis desalination brines: Production of strong acid and base
(2016-07-14)
Article
Open AccessWater 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 and bipolar electrodialysis for valorization of seawater desalination brines: production of drinking and waste water treatment chemicals
(2016-03-15)
Article
Open AccessNanofiltration (NF), as a selective Mg(II) and Ca(II) separation and concentration treatment, and electrodialysis with bipolar membranes (EDBM) were evaluated for the valorization of seawater desalination reverse osmosis ... -
Integration of nanofiltration membranes in recovery options of rare earth elements from acidic mine waters
(2019-02-10)
Article
Restricted access - publisher's policyAcid 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 selectrodialysis and ion-exchange for copper and zinc recovery from metallurgical process streams containing arsenic
(2018)
Conference lecture
Open Access -
Integration of selectrodialysis and solvent-impregnated resins for Zn(II) and Cu(II) recovery from hydrometallurgy effluents containing As(V)
(2019-12-15)
Article
Restricted access - publisher's policyThe main challenge for copper smelters is to ensure product quality under the constant increase in impurities (As, Se, Mo, Co, Zn, Sb, and Pb) in copper ores that has occurred over the years. The presence of toxic elements, ...
