Profesor Titular, Doctor en Ingeniería Química. Como Jefe del Laboratorio de Integración de Procesos de Separación (SPI), se especializa en el diseño e implementación de solventes verdes para la hidrometalurgia y otros procesos de separación. Ha liderado decenas de proyectos de investigación, centrándose en la hidrometalurgia y el desarrollo de nuevas técnicas para la captura de contaminantes, aplicando los principios de la Química Verde. Además de ser autor de numerosas publicaciones científicas.

Pregrado: Transferencia de Calor, Cinética y Reactores Químicos.

Postgrado: Termodinámica Avanzada.

1. Challenges and Possibilities of Deep Eutectic Solvent-Based Membranes, Cabezas, Rene; Zurob, Elsie; Gomez, Belen; Merlet Venturelli, Gaston; Plaza, Andrea; Arayal, Claudio; Romero, Julio; Olea Chandía, Felipe; Quijada-Maldonado, Esteban; Pino-Soto, Luis; Gonzalez, Thais; Castro-Muñoz, Roberto. Industrial & Engineering Chemistry Research (2022). accepted.
2. Diluent effects in the solvent extraction of rhenium (VII) with amine extractants in [Tf2N]-based ionic liquids: Experimental and COSMO-RS analysis, E Villarroel, F Olea, C Araya-López, J Gajardo, G Merlet, R Cabezas, J Romero, E Quijada Maldonado, Journal of Molecular Liquids, Volume 346, 15 (2022), https://doi.org/10.1016/j.molliq.2021.117091.
3. Analysis of microwave-assisted heating and water extraction from imidazolium and phosphonium based ionic liquids. Claudio Araya-López, Pedro Carrera, Alejandra Torres, Luis Pino-Soto, Esteban Quijada-Maldonado, Gastón Merlet, Julio Romero, Andrea Plaza, René Cabezas. Thermochimica Acta 714, 179262 (2022). https://doi.org/10.1016/j.tca.2022.179262
4. Ionic Liquids for the Selective Solvent Extraction of Lithium from Aqueous Solutions: A Theoretical Selection Using COSMO-RS, Felipe Olea, Guillermo Durán, Georgina Díaz, Eduardo Villarroel, Claudio Araya-López, Rene Cabezas, Gastón Merlet, Julio Romero, Esteban Quijada- Maldonado, Minerals, (2022), 12(2), 190; https://doi.org/10.3390/min12020190
5. Succinic acid recovery from a glycerol-based solution using phosphonium ionic liquids supported by COSMO-RS. E.Zurob, D.Rivas, F.Olea, A.Plaza, G.Merlet, C.Araya-López, J.Romero, E.Quijada-Maldonado, R.Cabezas. Fluid Phase Equilibria 559, 113471, (2022) https://doi.org/10.1016/j.fluid.2022.113471
6. [Tf2N]-based ionic liquids for the selective liquid-liquid extraction of Levulinic acid/Formic acid: COSMO-RS screening and ternary LLE experimental data. Claudio Araya-López, Javier Contreras, Gastón Merlet, René Cabezas, Felipe Olea, Eduardo Villarroel, Ricardo Salazar, Julio Romero, Esteban Quijada-Maldonado, Fluid Phase Equilibria, Volume 561 (2022).
   https://doi.org/10.1016/j.fluid.2022.113518
7. Preface to the IMIL2021 Special Issue, Esteban Quijada-Maldonado, Fluid Phase Equilibria, (2022), https://doi.org/10.1016/j.fluid.2022.113487
8. Design of a perstraction-based extraction system for the removal of polychlorinated biphenyls from bovine milk via COSMO-RS: Membrane screening. G.Merlet, M.Flores, E.Villarroel, C.Araya- López, R.Cabezas, L.Pino-Soto, J.Romero, E.Quijada Maldonado Separation and Purification Technology 290, 120879, (2022). https://doi.org/10.1016/j.seppur.2022.120879.
9. COSMO-RS evaluation as a tool for prediction of solvents in dispersive liquid-phase microextraction: Evaluation of conventional solvents and ionic liquids as extractants. E.Villarroel, F.Olea, C.Araya-López, G.Merlet, R.Cabezas, J.Romero, E.Quijada-Maldonado Journal of Molecular Liquids 354, 118861, (2022). https://doi.org/10.1016/j.molliq.2022.118861.
10. Ionic liquid screening for Octachlorodibenzo-p-dioxin microextraction from water samples by – profile analysis. E. Villarroel, F. Olea, C. Araya-López, G. Merlet, T. Brower, R. Cabezas, J. Romero, B. Schuur, E. Quijada Maldonado Journal of Ionic Liquids 2 (1), 100017, (2022) https://doi.org/10.1016/j.jil.2022.100017
11. Rhenium (VII) extraction from sulfuric aqueous solutions using Ionic Liquids as diluent and extractant: insights on the extraction stoichiometry and process parameters. Esteban Quijada- Maldonado, Rodrigo Román, Gastón Merlet, Bárbara Pérez, René Cabezas, Ricardo Tapia, Felipe Olea, Eduardo Villarroel, Claudio Araya, Julio Romero Journal of Chemical Technology & Biotechnology 97,(5) (2022) https://doi.org/10.1002/jctb.7013
12. Development of silicone-coated hydrophobic deep eutectic solvent-based membranes for pervaporation of biobutanol R Cabezas, S Duran, E Zurob, A Plaza, G Merlet, C Araya-Lopez, J Romero, E Quijada-Maldonado Journal of Membrane Science 637, 119617, (2021) https://doi.org/10.1016/j.memsci.2021.119617
13. Solvent extraction of rare earth elements with ionic liquids: towards a selective and sustainable extraction of these valuable elements, E. Quijada-Maldonado * , J. Romero Current Opinion in Green and Sustainable Chemistry, 100428 https://doi.org/10.1016/j.cogsc.2020.100428
14. Theoretical prediction of selectivity in solvent extraction of La(III) and Ce(III) from aqueous solutions using β-diketones as extractants and kerosene and two imidazolium-based ionic liquids as diluents via quantum chemistry and COSMO-RS calculations F. Olea , G. Rosales, A.Quintriqueo, J. Romero, J. Pizarro , C. Ortiz, E. Quijada-Maldonado * Journal of Molecular Liquids, 114655 https://doi.org/10.1016/j.molliq.2020.114655
15. Extraction and Separation Factor for Lanthanum (III) and Cerium (III) Complexes from Aqueous Medium Using Ionic Liquid and Kerosene A. Quintriqueo, J. Romero, E. Quijada-Maldonado, E. Bringas, F. Olea, J. Hernández Advances in Chemical Engineering and Science 10 (04), 343
    10.4236/aces.2020.104022
16. Extraction of vanillin from aqueous matrices by membrane-based supercritical fluid extraction: Effect of operational conditions on its performance R. Cabezas, V. Prieto, A. Plaza, G. Merlet, E. Quijada-Maldonado, A.Torres, M. Yáñez-S, J. Romero Industrial & Engineering Chemistry Research 59 (31), 14064-14074 https://doi.org/10.1021/acs.iecr.0c01272
17. Possibilities and challenges for ionic liquids in hydrometallurgy E. Quijada-Maldonado * , F. Olea, R. Sepúlveda, J. Castillo, R. Cabezas, G. Merlet, J. Romero Separation and Purification Technology, 117289 https://doi.org/10.1016/j.seppur.2020.117289
18. Design of Natural Deep Eutectic Solvents for the Ultrasound-Assisted Extraction of Hydroxytyrosol From Olive Leaves Supported by COSMO-RS
    E. Zurob, R. Cabezas, E. Villarroel, N. Rosas, G. Merlet, E. Quijada Maldonado, J. Romero, A. Plaza Separation and Purification Technology, 117054 https://doi.org/10.1016/j.seppur.2020.117054
19. Supercritical carbon dioxide solubility in hydrophobic ionic liquid mixtures: Experimental determination and thermodynamic modeling S. Ormazabal, E. Villarroel, R.A. Tapia, J. Romero, E. Quijada-Maldonado * Fluid Phase Equilibria, 112616 https://doi.org/10.1016/j.fluid.2020.112616
20. Selective liquid-liquid extraction of molybdenum (VI) and rhenium (VII) from a synthetic pregnant leach solution: Comparison between extractants and diluents E. Quijada-Maldonado * , A. Allain, B. Perez, G. Merlet, R. Cabezas, R. Tapia, J. Romero Minerals Engineering 145, 106060 https://doi.org/10.1016/j.mineng.2019.106060
21. Performance of butanol separation from ABE mixtures by pervaporation using silicone-coated ionic liquid gel membranes. R Cabezas, K Suazo, G Merlet, E Quijada-Maldonado, A Torres, J Romero, RCS Advances, 9, 8546-8556 ( 2019). https://doi.org/10.1039/C8RA09630A.

22. Task-Specific Ionic Liquids as Extractants for the Solvent Extraction of Molybdenum(VI) from Aqueous Solution Using Different Commercial Ionic Liquids as Diluents. Esteban Quijada- Maldonado, Felipe Sánchez, Bárbara Pérez, Ricardo Tapia, and Julio Romero, Industrial Engineering Chemistry Research 57 (5), 1621-1629 (2018). https://doi.org/10.1021/acs.iecr.7b04147.

23. Quijada-Maldonado, F. Sánchez, B. Pérez, R. A. Tapia, J. Romero, Functionalized ionic liquids as extractants for the solvent extraction of molybdenum (VI) from aqueous solution using different diluents, Under Revision in Industrial & Engineering Chemistry Research (2017).

24. G.Merlet. F.Uribe, C.Aravena, M.Rodríguez, R.Cabezas. E.Quijada-Maldonado, J.Romero, Separation of fermentation products from ABE mixtures by perstraction using hydrophobic ionic liquids as extractants, Journal of Membrane Science, 537, 337-343 (2017).
25. Quijada-Maldonado, J. Romero, I. Osorio, Selective removal of iron from copper PLS using [bmim][Tf2N] as diluent and TFA as extracting agent. Hydrometallurgy. 159, 54(2016).
26. Quijada-Maldonado, G.W. Meindersma, A.B. de Haan, Ionic Liquid effects on mass transfer efficiency in extractive distillation of water – ethanol mixtures. Computers and Chemical Engineering. 71 (2014), 210 – 219.
27. Quijada-Maldonado, T.A.M. Aelmans, G.W. Meindersma, A.B. de Haan, Pilot plant validation of a rate-based extractive distillation model for water-ethanol separation with the ionic liquid [emim][DCA] as solvent. Journal of Chemical Engineering. 223 (2013), 287-297.
28. Quijada-Maldonado, G.W. Meindersma, A.B. de Haan, Viscosity and density data for the ternary system water(1) – ethanol(2) – ethylene glycol(3) between 298.15 and 328.15K, Journal of Chemical Thermodynamics. 57 (2013), 500-505.
29. Esteban Quijada-Maldonado, G. Wytze Meindersma, André B. de Haan, Pilot plant study on the extractive distillation of toluene–methylcyclohexane mixtures using NMP and the ionic liquid [hmim][TCB] as solvents, Separation and Purification Technology, 166, 196 (2016).
30. Quijada-Maldonado, M. J. Torres, J. Romero, Solvent extraction of Molybdenum (VI) from aqueous solution using ionic liquids as diluents, Separation and Purification Technology, 177, 200-206 (2017).
31. E.Quijada-Maldonado, S. van der Boogaart, J.H. Lijbers, G.W. Meindersma, A.B. de Haan, Experimental densities, dynamic viscosities and surface tensions of the ionic liquids series 1-ethyl-3-methylimidazolium acetate and dicyanamide and their binary and ternary mixture with water and ethanol at T = (298.15 to 343.15 K), Journal of Chemical Thermodynamics, 51, 51 – 58, 2012.
32. Bubnovich, A. Reyes, E. Quijada, A. Mahn, Numerical simulation of lyophilisation of carrot slices at atmospheric pressure in a fluidized bed, Journal of Food Engineering, 109, 659 – 667, 2012.
33. Bubnovich, E.Quijada, A. Reyes, Computer Simulation of Atmospheric Freeze Drying of Carrot Slices in a Fluidized Bed, Numerical Heat Transfer-Part A: Applications,56, 170 – 191, 20.

2023 – 2026     Anillo ANID project  “Integrated technologies for the treatment and reuse of greywater”. Head of the porject

2022 – 2023     FillTheGap 037  – a technology transfer project – “Application of an ionic liquid for the recovery of molybdenum and rhenium from a PLS at Molymet Nos Corporation”

2021 – 2024     Fondecyt 1211234 , "Design and Application of hydrophobic Ionic Liquids for the Selective Solvent Extraction and direct Electrowinning of Cobalt from aqueous solutions& Head of the project.

2018 – 2021     Fondecyt 3180143 , “Quantification and membrane process development of octachlorodibenzo-p-dioxins in fresh milk. Project supervisor.

2018 – 2021     FONDEF Idea ID18I1029 . Mesoporous adsorption matrix for the capture of rare earth elements. Associate researcher.

2014 – 2017     PAI 79140047 , “Molybdenum and Rhenium Extraction with ionic liquids” (CONICYT), Head of the project

2015 – 2018     FONDECYT 1150417, Supercritical fluid enhanced micro extraction of dibenzo-p- dioxins from aqueous streams using ionic liquids: Applications in analysis and effluent treatment. Head of the project.

2011 – 2017     Proyecto Núcleo Milenio: Centro Interdisciplinario de Líquidos Iónicos, CILIS, RC-130006-CILIS , Jefe división Ingeniería Química.

2017 – 2019     Proyecto DICYT Asociativo 091711QM_DAS , “Equipo multidisciplinario de procesos para la recuperación de tierras raras” Director.

2014 – 2017     Proyecto PAI 79140047 , “Fortalecimiento del área de procesos de separación avanzada y solventes alternativos del departamento de ingeniería química” (CONICYT), Director.

2015 – 2016     Proyecto Innovación Docente PID 079-2015 , “innovación en la enseñanza-aprendizaje para cinética y reactores químicos, mediante aprendizaje basado en problemas, estudio de casos e interacción con el sector productivo”, Asociado.

• Wytze Meindersma, Esteban Quijada-Maldonado, Mark T. G. Jongmans, Juan Pablo Gutiérrez Hernandez, Boelo Schuur, André B. de Haan, Extractive Distillation with Ionic Liquids: Pilot Plant Experiments and Conceptual Process Design, in ionic Liquids for Better Separation Processes, Part of the series Green Chemistry and Sustainable Technology pp 11-38 (2016).
• G.W. Meidersma, E. Quijada-Maldonado, T.A.M. Aelmans, J.P. Gutierrez Hernandez, A.B. de Haan, Ionic Liquids in Extractive Distillation of Ethanol/Water: From Laboratory to Pilot Plant, in: A.E.Visser, N.J.Bridges, and R.D.Rogers (Eds.), Ionic liquids: Science and Applications, ACS Symposium Series, 2012, pp. 239-257.