Browsing by Author "López Rodríguez, Julio"
Now showing items 1-20 of 60
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Ammonia recovery from municipal wastewater using hybrid NaOH closed-loop membrane contactor and ion exchange system
(Elsevier, 2023-06-01)
Article
Restricted access - publisher's policyWater scarcity is affected by population growth and increasing nutrients pollution. This study evaluated the integration of ion exchange-natural activated clinoptilolite zeolite (IEX-NZ) and hollow-fibre liquid–liquid ... -
Ammonium recovery and concentration from synthetic wastewater using a poly(4-methyl-1-pentene) (PMP) liquid–liquid membrane contactor: Flux performance and mass transport characterization
(Elsevier, 2023-12-01)
Article
Restricted access - publisher's policyHollow fiber membrane contactors are a promising technology for the removal and recovery of ammonia from liquid effluents. However, a better understanding of the process engineering (e.g. mass transport of ammonia over ... -
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 ... -
An experimental investigation of electrodialysis with bipolar membranes long-run performances with real solutions from saltworks
(Associazione Italiana Di Ingegneria Chimica, 2023-01-01)
Article
Open AccessElectrodialysis with Bipolar Membranes (EDBM) is a promising process to produce acidic and basic solutions that are important in circular treatment chains. However, there is a lack of knowledge regarding the long-run ... -
Analysis of operational parameters in acid and base production using an electrodialysis with bipolar membranes pilot plant
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-06)
Article
Open AccessIn agreement with the Water Framework Directive, Circular Economy and European Union (EU) Green Deal packages, the EU-funded WATER-MINING project aims to validate next-generation water resource solutions at the pre-commercial ... -
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 ... -
Arsenic impact on the valorisation schemes of acidic mine waters of the Iberian Pyrite Belt: Integration of selective precipitation and spiral-wound nanofiltration processes
(2021-02-05)
Article
Open AccessArsenic and selenium presence in acid mine waters (AMWs) limits their disposal due to environmental regulations. The focus to solve the economic infeasibility is directed to sustainable solutions, promoting resource recovery. ... -
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 ... -
Describing ion transport and water splitting in an electrodialysis stack with bipolar membranes by a 2-D model: Experimental validation
(2022-07-30)
Article
Open AccessElectrodialysis with bipolar membranes (EDBM) has drawn attention motivated by their application in gener- ating reagents from salts. Due to the water splitting (WS) occurring at the junction of the bipolar membranes (BPMs), ... -
Diffusion dialysis for the treatment of H2SO4-CuSO4 solutions from electroplating plants: Ions membrane transport characterization and modelling
(2021-07)
Article
Open AccessDiffusion dialysis (DD) is proposed to separate and recover mineral acids and transition metals from electroplating industry process waters promoting a circular approach of resources recovery. In this work, a DD module ... -
Evaluating the integration of nanofiltration membranes in advanced water reclamation schemes using synthetic solutions: From phosphorous removal to phosphorous circularity
(2022-06)
Article
Open AccessThe 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 nanofiltration membranes for recovery and concentration of rare earth elements from acidic waters
(Universitat Politècnica de Catalunya, 2016-09-05)
Master thesis
Open AccessAcid 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 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 -
Evaluation of the nanofiltration of brines from seawater desalination plants as pre-treatment in a multimineral brine extraction process
(2023-10)
Article
Open AccessMany materials essential to the European Union's (EU) economy lack primary resources, and the major suppliers of these materials are non-EU nations. It has been determined that seawater reverse osmosis (SWRO) desalination ... -
Evaluation of the purity of magnesium hydroxide recovered from saltwork bitterns
(2023-01-01)
Article
Open AccessMagnesium has been listed among the 30 critical raw materials by the European Union. In recent years, many green and sustainable alternative Mg2+ sources have been sought to satisfy the EU’s demand and to avoid mineral ore ... -
Experimental and economic evaluation of nanofiltration as a pre-treatment for added-value elements recovery from seawater desalination brines
(2023-03-01)
Article
Open AccessDesalination brine mining emerges as a solution to supply raw materials to the European Union industry in a circular economy approach since valuable minerals and metals (e.g., B(III), Mg(II), Ca(II), Sc(III), V(V), In(III), ... -
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 ...
