Listar Ingeniería Química - (IQ) por autor "Villén-Guzmán, María Dolores"
Mostrando ítems 1-20 de 47
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A comparison of batch and semi-batch reactors for leaching battery cathodes (LiCoO2) under controlled addition of HCl and H2O2
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores
; Rivas-Bascon, Alvaro; Rodríguez-Maroto, José Miguel; Paz-García, Juan Manuel (Elsevier, 2024-08)
Recovery of cobalt and lithium from end-of-life Li-ion battery wastes have been evaluated in batch and semi- batch leaching systems. In this preliminary study, HCl and H2O2 were used as leaching and reducing agents, re ... -
A factorial design for the evaluation of the optimal conditions for LiCoO2 particles dissolution
Acedo-Bueno, Luis Fernando; Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Arhoun, Brahim; Paz-García, Juan Manuel; Rodríguez-Maroto, José Miguel[et al.] (2020-11-24)
The hydrometallurgical leaching process for the recovery of valuable metals from the cathode active materials of spent lithium batteries was evaluated. Experiments were carried out using LiCoO2 which is one of the most ... -
Acid leaching of LiCoO2 enhanced by reducing agent. Model formulation and validation.
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Vereda-Alonso, Carlos; Rodríguez-Maroto, José Miguel; Paz-García, Juan Manuel (Elsevier, 2021-08-25)
In this work, a model has been formulated to describe the complex process of LiCoO2 leaching through the participation of competing reactions in acid media including the effect of H2O2 as reducing agent. The model presented ... -
Alternative reducing agents for Lithium-Ion batteries recycling via hydrometallurgical process
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Vereda-Alonso, Carlos; Paz-García, Juan Manuel; Rodríguez-Maroto, José Miguel (2022)
Lithium-ion batteries (LIB) are a key factor in the transition to a decarbonised and clean energy system due to their application in the power sector and electric transport. However, a growing demand of these batteries ... -
Anaerobic co-digestion of pear residues and sewage sludge using a CSTR digester. Influence of the feed procedure
Arhoun, Brahim; Villén-Guzmán, María Dolores; Bakkali, A.; El Mail, R.; Paz-García, Juan Manuel; García-Herruzo, Francisco[et al.] (2013-11-08)
Anaerobic co-digestion of pear residues with sewage sludge is feasible. Important differences are obtained from the two feed regimes tested, with better results for the so-called continuous feed. The organic loading ... -
Analysis Of The Cyclability Of Lithium-polymer Batteries
Paz-García, Juan Manuel; Villén-Guzmán, María Dolores; Zaura-Campos, David; Alshawabkeh, A. N.; Gómez-Lahoz, César (2019-02-25)
Lithium ion batteries and similar energy storage devices have an increasing importance for the modern society as they are present in many portable electronic devices and have perspectives in the fields of electric vehicles ... -
Anionic species transport through the soil (Electromigration versus Electroosmosis): The case of EDTA
García-Rubio, Ana; Villén-Guzmán, María Dolores; Paz-García, Juan Manuel; Gómez-Lahoz, César; García-Herruzo, Francisco; Rodríguez-Maroto, José Miguel[et al.] (2014-09-17)
The use of EDTA as a complexing agent to extract metals from soil is common. We have tested this possibility for the remediation feasibility studies of a soil contaminated with lead, collected in the mining district of ... -
Assessing the feasibility of the EKR of soils contaminated by heavy metals by titration curves
Vereda-Alonso, Carlos; García-Delgado, Rafael Antonio; García-Rubio, Ana; Arhoun, Brahim; Paz-García, Juan Manuel; Villén-Guzmán, María Dolores[et al.] (Northeastern University, 2013)
The pH is one of the key parameters that determine heavy metal mobility and fate in soils and sediments. It is well known that the resistance of soil to a change in pH strongly affects the mobilization of heavy metals in ... -
Characterization and modeling of lithium-polymer commercial batteries
Zaura-Campos, David; Villén-Guzmán, María Dolores; Rodríguez-Maroto, José Miguel; Vereda-Alonso, Carlos; Gómez-Lahoz, César; Paz-García, Juan Manuel[et al.] (2018-10-17)
Lithium-ion batteries are key for the modern society as they are present in many energy storage devices and have promising future perspectives in the field of electric cars and energy accumulators from renewable sources. Herein, ... -
Chemical reduction of nitrate by zero-valent iron: Shrinking-Core versus Surface Kinetics Models
Villén-Guzmán, María Dolores; Paz-García, Juan Manuel; Arhoun, Brahim; Cerrillo-González, María del Mar; Rodríguez-Maroto, José Miguel; Vereda-Alonso, Carlos; Gómez-Lahoz, César[et al.] (MDPI, 2020-02-12)
Zero valent iron (ZVI) is being used in permeable reactive barriers (PRB) for the removal of oxidant contaminants, from nitrate to chlorinated organics. A sound design of these barriers requires a good understanding of ... -
Effect of hydroxylammonium chloride as a reductant for hydrochloric acid leaching of valuable metals from discarded lithium-ion batteries
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Arhoun, Brahim; Gómez-Lahoz, César; Vereda-Alonso, Carlos (Elsevier, 2024-06)
The use of hydroxylammonium chloride as a reducing agent is proposed to enhance the acid leaching of cathode material from spent lithium-ion batteries. The current study was conducted using real waste from scooter ... -
Effect of NaHCO3 addition on the anaerobic co-digestion of fruit and vegetable waste and sewage sludge performance
Arhoun, Brahim; Villén-Guzmán, María Dolores; Bakkali, A.; El Mail, R.; Paz-García, Juan Manuel; Rodríguez-Maroto, José Miguel[et al.] (2013-11-08)
Digestion of FVW residues with sewage sludge is feasible as long as the FVW to sludge ratio fed to the batch digester is not too large. The pH is the main variable determining the reactor performance and ... -
Effect of the feed procedure on production of biogas from anaerobic digestion of pear residues using a CSTR Digester
Arhoun, Brahim; Villén-Guzmán, María Dolores; Bakkali, A.; El Mail, R.; García-Herruzo, Francisco; Gómez-Lahoz, César[et al.] (2014-10-30)
The anaerobic digestion for the production of biogas is one of the best alternative management procedures of the fruits and vegetables wastes (FWV) since it simultaneously allows energy recovery and material recycling if ... -
Effectiveness of conventional drinking water treatment in the removal of polycyclic aromatic hydrocarbons
Gutiérrez-Urbano, Isabel; Villén-Guzmán, María Dolores; Pérez-Recuerda, Rocío; Rodríguez-Maroto, José Miguel (2020-09-23)
The presence of recalcitrant organic pollutants, such as polycyclic aromatic hydrocarbons (PAHs) in aquatic environments poses a threat to the human health. According to recent studies, PAHs, such as benz[a]anthracene and ... -
Electrodialytic processes in solid matrices. New insights into batteries recycling. A review.
Villén-Guzmán, María Dolores; Arhoun, Brahim; Vereda-Alonso, Carlos; Gómez-Lahoz, César; Rodríguez-Maroto, José Miguel; Paz-García, Juan Manuel[et al.] (2019-02-26)
Electrodialytic Remediation has been widely applied to the recovery of different contaminants from numerous solid matrices solving emerging issues of environmental concern. Results and conclusions reported in studies about ... -
Electrodialytic Recovery of Cobalt from Spent Lithium-Ion Batteries
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Paz-García, Juan Manuel; Gómez-Lahoz, César; Vereda-Alonso, Carlos; García-Delgado, Rafael Antonio; García-Herruzo, Francisco; Rodríguez-Maroto, José Miguel[et al.] (2019-02-08)
Recycling lithium-ion batteries has an increasing interest for economic and environmental reasons. Disposal of lithium-ion batteries imposes high risk to the environment due to the toxicity of some of their essential ... -
Electrodialytic Treatment of Secondary Batteries Cathodes
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Paz-García, Juan Manuel; Gómez-Lahoz, César; Vereda-Alonso, Carlos; García-Delgado, Rafael Antonio; Rodríguez-Maroto, José Miguel[et al.] (2019-10-07)
The interest for reusing and recycling secondary batteries is increasing, driven by both economic and environmental reasons. Lithium-ion batteries are among the main energy storage devices more popular in portable electronic ... -
Experiences integrating teleworking tools in faceto-face teaching: academic results
Vereda-Alonso, Cristina; Cerrillo-González, María del Mar; Gómez-Lahoz, César; Villén-Guzmán, María Dolores; Paz-García, Juan Manuel; Vereda-Alonso, Carlos[et al.] (IATED Academy, 2024)
An Educational Innovation Project is currently underway at the University of Malaga. The primary goal of the project is to enhance the skills acquired in synchronous online teaching during the COVID-19 confinement, with ... -
Hydrometallurgical extraction of Li and Co from LiCoO2 particles–Experimental and Modeling
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Acedo-Bueno, Luis Fernando; Rodríguez-Maroto, José Miguel; Paz-García, Juan Manuel (MDPI, 2020-09-13)
The use of lithium-ion batteries as energy storage in portable electronics and electric vehicles is increasing rapidly, which involves the consequent increase of battery waste. Hence, the development of reusing and recycling ... -
Improving Cr (VI) Extraction through Electrodialysis
García-Delgado, Rafael Antonio; Nieto-Castilo, A; Villén-Guzmán, María Dolores; Cerrillo-González, María del Mar; Gómez-Lahoz, César; Vereda-Alonso, Carlos; Paz-García, Juan Manuel; Rodríguez-Maroto, José Miguel[et al.] (2019-10-08)
A laboratory study has been carried out to determine the feasibility of in situ remediation of chromium (VI) contaminated soil using electrodialysis. In a classic setup, this technique implies the application of a low ...