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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 ... -
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 ... -
Polymeric and inorganic sorbents as a green option to recover critical raw materials at trace levels from sea saltwork bitterns
(Royal Society of Chemistry (RSC), 2023-01-01)
Article
Open AccessSeawater mining is certainly a green alternative source for obtaining minerals as seawater is a natural renewable and unlimited available resource. Based on the lack of ways to obtain certain raw materials, the European ... -
Coagulation and flocculation optimization process applied to the sidestream of an urban wastewater treatment plant
(2022-12-09)
Article
Open AccessAmmonium (NH4+) recirculation from the streams generated in the dehydration stage of the sludge generated in the anaerobic digestion of urban wastewater treatment plants (WWTPs), known as centrate or sidestream, produces ... -
Recovery of lithium carbonate from dilute Li-Rich brine via homogenous and heterogeneous precipitation
(American Chemical Society (ACS), 2022-08-30)
Article
Open AccessAn extensive experimental campaign on Li recovery from relatively dilute LiCl solutions (i.e., Li+ ~ 4000 ppm) is presented to identify the best operating conditions for a Li2CO3 crystallization unit. Lithium is currently ... -
Impact of sidestream pre-treatment on ammonia recovery by membrane contactors: experimental and economic evaluation
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-01)
Article
Open AccessMembrane contactor is a promising technology for ammonia recovery from the anaerobic digestion centrate. However, high suspended solids and dissolved organic matter concentrations can reduce the effectiveness of the ... -
Effect of Mn2+/Zn2+/Fe3+ Oxy(Hydroxide) nanoparticles doping onto Mg-Al-LDH on the phosphate removal capacity from simulated wastewater
(2022-10-01)
Article
Open AccessA parent Mg-Al-LDH was upgraded in its adsorption properties due to the incorporation of tri-metal species oxy(hydroxide) nanoparticles obtaining Mn2+/Zn2+/Fe3+/Mg-Al-LDH composite for the phosphate recovery from simulated ... -
Electrodialysis with bipolar membranes for the generation of NaOH and HCl solutions from brines: an inter-laboratory evaluation of thin and ultrathin non-woven cloth-based ion-exchange membranes
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-11-29)
Article
Open AccessThe SEArcularMINE project aims to recover critical raw materials (CRMs) from brines from saltworks, thus facing a CRM shortage within Europe. To promote a fully circular scheme, the project valorises concentrated brines ... -
Implications of the circular economy in the context of plastic recycling: the case study of opaque PET
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-11-01)
Article
Open AccessThe use of recycled opaque PET (r-O-PET, with TiO2) as a reinforcement for the recycled polypropylene matrix (r-PP) was evaluated through the life cycle assessment according to different scenarios corresponding to two ... -
Impact of functional group types in ion exchange resins on rare earth element recovery from treated acid mine waters
(Elsevier, 2022-12)
Article
Open AccessIon-exchange (IX) resins incorporating single functional groups (sulfonic or amino-phosphonic) and two functional groups (sulfonic and phosphonic) were evaluated for selective recovery of Rare Earth Elements (REEs) from ... -
Energy, exergy and thermoeconomic analysis of an industrial solar pond
(2022-08)
Article
Open AccessThis study evaluates the viability of an industrial salinity gradient solar pond during two operating seasons (2014 and 2015). The Granada solar pond was built to supply low-temperature heat (up to 60 °C) to satisfy the ... -
LTA and FAU-X Iron-enriched zeolites: use for phosphate removal from aqueous medium
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-08-01)
Article
Open AccessHydrothermally synthesized Linde type A (LTA) and faujasite X (FAU-X) zeolites are low-cost and environmentally benign inorganic carriers for environmental applications. In this study, (oxy)hydroxides were incorporated ...
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