Browsing by Author "Gibert Agulló, Oriol"
Now showing items 1-20 of 74
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Acid recovery from copper metallurgical process streams polluted with arsenic by diffusion dialysis
(Elsevier, 2021-02-01)
Article
Open AccessA copper smelter generates solutions containing H2SO4 (220 ± 10 g/L), non-metals (3.4 ± 0.2 g/L As) and metals (0.5 ± 0.1 g/L Zn, 0.13 ± 0.01 g/L Fe and 0.11 ± 0.01 g/L Cd) that are treated with lime as disposal option. ... -
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 ... -
An engineering model for solute transport in semi-aromatic polymeric nanofiltration membranes: extension of solution-electro-diffusion model to complex mixtures
(Elsevier, 2021-08)
Article
Open AccessPressure-driven membrane processes, such as reverse osmosis (RO) and nanofiltration (NF), are preferred solutions for salinity reduction in ground, surface and sea waters as well as in mining and urban wastewaters. Interest ... -
Application of nanofiltration for acidic waters containing rare earth elements: Influence of transition elements, acidity and membrane stability
(2018-03-15)
Article
Open Access© 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
Open AccessIn 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 ... -
Changes of heavy metal and PCB contents in surficial sediments of the Barcelona harbour after the opening of a new entrance
(2009-11)
Article
Restricted access - publisher's policyThe Barcelona harbour is one of the biggest and most important in commercial and passenger traffic in the Mediterranean Sea. In 2003, construction works for the enlargement of the port were carried out with the opening ... -
Characterisation of organic foulants on full-scale UF membranes during filtration, backwash and chemical cleaning episodes
(2017)
Article
Open AccessUnderstanding organic fouling on ultrafiltration (UF) membranes during water filtration and cleaning episodes has become one of the major factors driving UF technology forward. The aim of this study was to quantify and ... -
Characterising biofilm development on granular activated carbon used for drinking water production
(2013-03-01)
Article
Restricted access - publisher's policyUnder normal operation conditions, granular activated carbon (GAC) employed in drinking water treatment plants (DWTPs) for natural organic matter (NOM) removal can be colonised by microorganisms which can eventually establish ... -
Cleaning optimisation of reverse osmosis membranes used for wastewater reclamation
(2012)
Article
Open AccessWastewater reclamation contributes to the preservation of conventional water resources and thus helps to ensure appropriate human development for future generations. Wastewater reclamation can be achieved through several ... -
Comparison of acid-resistant ceramic and polymeric nanofiltration membranes for acid mine waters treatment
(2020-02-15)
Article
Open AccessAcid-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 ... -
Composition and reversibility of fouling on low-pressure membranes in the filtration of coagulated water: insights into organic fractions behaviour
(2016-11-01)
Article
Open AccessThe primary problem for the application of microfiltration (MF) and ultrafiltration (UF) membrane technology is membrane fouling. Such is the case that understanding membrane fouling has become one of the major factors ... -
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 ... -
Curs 0: preparació per als estudis a l’EEBE
(Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2022-05)
Article
Open AccessAquest article presenta el desenvolupament i primers resultats d'ús d'un conjunt de cursos virtuals que pretenen proporcionar uns coneixements inicials bàsics de Matemàtiques, Física i !ímica als estudiants que accedeixen ... -
Evaluating the integration of nanofiltration membranes in advanced water reclamation schemes using synthetic solutions: From phosphorous removal to phosphorous circularity
(2022-06)
Article
Restricted access - publisher's policyThe 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 an extreme acid-resistant sulphonamide based nanofiltration membrane for the valorisation of copper acidic effluents
(2021-02-01)
Article
Open AccessThe exhaustion of Cu reserves minable and processable with the available technology is forcing the hydrometallurgical copper industry to seek alternative sources. Following circular economy principles, researchers’ attention ... -
Evaluation of NF membranes as treatment technology of acid mine drainage: metals and sulfate removal
(2018-08-15)
Article
Open AccessAcid 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 ... -
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
Open Access© 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 ...
