Dr. Gastón Merlet Venturelli

Profesor Asistente

Profesor Asistente

Ingeniero Civil en Química

Ingeniero de Ejecución en Química

Magíster en Ciencias de la Ingeniería Mención Ingeniería Química

Doctor en Ciencias de la Ingeniería Mención Ingeniería de Procesos

gmerlet@udec.cl

56-42-2208891

Líneas de Investigación

Procesos de separación con membranas (microfiltración, ultrafiltración, nanofiltración, osmosis inversa, pervaporación y perstracción). 

Líquidos iónicos.

Compuestos orgánicos persistentes. 

Revalorización de residuos.

 

Proyectos:

  • Desarrollo y validación de metodologías para la obtención de un concentrado de proteínas vegetales a partir de subproductos agroindustriales de la Región del Maule: Estrategias para la producción de nuevos productos para consumo humano.

  • Desarrollo de una tecnología de microextracción de octaclorodibenzo-p-dioxina desde muestras de leche bovina comercial utilizando líquidos iónicos como solventes y dióxido de carbono supercrítico como facilitador de la extracción.

Publicaciones

2022

 

C. Araya-López, P. Carrera, A. Torres, L. Pino, E. Quijada-Maldonado, G. Merlet, J. Romero, A. Plaza and R. Cabezas, Analysis of microwave-assisted heating and water extraction from imidazolium and phosphonium based ionic liquids, Thermochimica Acta, https://doi.org/10.1016/j.tca.2022.179262

 

C. Araya-López, J. Contreras, G. Merlet, R. Cabezas, F. Olea, E. Villarroel, R. Salazar, J. Romero, E. Quijada-Maldonado, [Tf2N]-based ionic liquids for the selective liquid-liquid extraction of Levulinic acid/Formic acid: COSMO-RS screening and ternary LLE experimental data, Fluid Phase Equilibria, https://doi.org/10.1016/j.fluid.2022.113518

 

R. Castro-Muñoz, E. Gontarek, J. Karczewski, R. Cabezas, G. Merlet, C. Araya-Lopez, G. Boczkaj, Hybrid cross-linked chitosan/protonated-proline:glucose DES membranes with superior pervaporation performance for ethanol dehydration, Journal of Molecular Liquids, https://doi.org/10.1016/j.molliq.2022.119499

 

E.Zurob; D.Rivas; F.Olea; A.Plaza; G.Merlet; C.Araya-López; J.Romero; E.Quijada-Maldonado; R.Cabezas, Succinic acid recovery from a glycerol-based solution using phosphonium ionic liquids supported by COSMO-RS, Fluid Phase Equilibria, https://doi.org/10.1016/j.fluid.2022.113471

 

Araya-López, C., Conejeros, J., Valdebenito, C., Cabezas, R., Merlet, G., Marco, J.F., Abarca, G., Salazar, R. and Romero, J. (2022), Triazolium-based ionic liquids supported on alumina as catalysts to produce 5-HMF from fructose. ChemCatChem. https://doi.org/10.1002/cctc.202200046

 

G. Merlet*, M. Flores, E. Villarroel, C. Araya-López, R. Cabezas, L. Pino-Soto, J. Romero, E. Quijada-Maldonado, “Design of a perstraction-based extraction system for the removal of polychlorinated biphenyls from bovine milk via COSMO-RS: Membrane screening”, Separation and Purification Technology, 290, 2022, 120879, https://doi.org/10.1016/j.seppur.2022.120879

 

E. Villarroel, F. Olea, C. Araya-López, G. Merlet, R. Cabezas, J. Romero, E. Quijada-Maldonado, COSMO-RS evaluation as a tool for prediction of solvents in dispersive liquid-phase microextraction: Evaluation of conventional solvents and ionic liquids as extractants, Journal of Molecular Liquids, 354, 2022, 118861, https://doi.org/10.1016/j.molliq.2022.118861.

 

E. Villarroel, F. Olea, C. Araya-López, J. Gajardo, G. Merlet, R. Cabezas, J. Romero, E. Quijada-Maldonado, Diluent effects in the solvent extraction of rhenium (VII) with amine extractants in [Tf2N]-based ionic liquids: Experimental and COSMO-RS analysis, Journal of Molecular Liquids, 346, 2022, 117091, https://doi.org/10.1016/j.molliq.2021.117091.

 

E. Villarroel, G. Merlet, F. Olea, C. Araya-López, T. Brouwer, R. Cabezas, J. Romero, B. Schuur, E. Quijada-Maldonado, Ionic liquid screening of Octachlorodibenzo-p-dioxin captured from water samples by σ-profile analysis for microextraction applications, Journal of Ionic Liquids, 2, 1, 2022, 100017, ISSN 2772-4220, https://doi.org/10.1016/j.jil.2022.100017.

 

Olea, F.; Durán, G.; Díaz, G.; Villarroel, E.; Araya-López, C.; Cabezas, R.; Merlet, G.; Romero, J.; Quijada-Maldonado, E. Ionic Liquids for the Selective Solvent Extraction of Lithium from Aqueous Solutions: A Theoretical Selection Using COSMO-RS. Minerals 2022, 12, 190. https://doi.org/10.3390/min12020190

 

2021

 

Quijada-Maldonado, E., Román, R., Merlet, G., Pérez, B., Cabezas, R., Tapia, R., Olea, F., Villarroel, E., Araya-López, C. and Romero, J. (2022), Rhenium(VII) extraction from sulfuric aqueous solutions using ionic liquids as diluent and extractant: insights on the extraction stoichiometry and process parameters. J Chem Technol Biotechnol. https://doi.org/10.1002/jctb.7013

 

Mafra, J. B.; Santos, R. F.; Merlet , G. M.; Bassegio, D.; Coelho, S. R. M.; Simonetti, A. P. M. M.; Branco, T. M.; Branco, K. C. Evaluation of polycyclic aromatic hydrocarbons (PAHs) in the corn drying process. Research, Society and Development, [S. l.], v. 10, n. 16, p. e403101622444, 2021. DOI: 10.33448/rsd-v10i16.22444.

 

R. Cabezas*, S. Duran, E. Zurob, A. Plaza, G. Merlet, C. Araya-López, J. Romero and E. Quijada-Maldonado, “Development of Silicone-Coated Hydrophobic Deep Eutectic Solvent-Based Membranes for Pervaporation of Biobutanol”, Journal of Membrane Science, 2021, https://doi.org/10.1016/j.memsci.2021.119617

 

F. Olea, G. Merlet*, C. Araya-López, R. Cabezas, E. Villarroel, E. Quijada-Maldonado and J. Romero, “Separation of vanillin by perstraction using hydrophobic ionic liquids as extractant phase: Analysis of mass transfer and screening of ILs via COSMO-RS”, Separation and Purification Technology, 2021, https://doi.org/10.1016/j.seppur.2021.119008

 

2020

 

R. Cabezas, V. Prieto, A. Plaza, G. Merlet, E. Quijada-Maldonado, A. Torres, M. Yañez-S and J. Romero ”Extraction of Vanillin from Aqueous Matrices by Membrane-Based Supercritical Fluid Extraction: Effect of Operational Conditions on Its Performance”, Industrial & Engineering Chemistry Research, 2020, 59, 31, 14064–14074, https://doi.org/10.1021/acs.iecr.0c01272

 

E. Quijada-Maldonado, F. Olea, R. Sepúlveda, J. Castillo, R. Cabezas, G. Merlet, J. Romero “Possibilities and Challenges for ionic liquids in hydrometallurgy”, Separation and Purification Technology, https://doi.org/10.1016/j.seppur.2020.117289

 

A. Plaza, R. Cabezas, G. Merlet, E. Zurob, A. Concha-Meyer, A. Reyes, J. Romero. “Dehydrated cranberry juice powder obtained by osmotic distillation combined with freeze-drying: Process intensification and energy reduction”, Chemical Engineering Research and Design, Volume 160, August 2020, Pages 233-239, https://doi.org/10.1016/j.cherd.2020.05.003

 

E. Zurob, R. Cabezas, E. Villarroel, N. Rosas, G. Merlet, E. Quijada-Maldonado, J. Romero, A. Plaza. “Design of natural deep eutectic solvents for the ultrasound-assisted extraction of hydroxytyrosol from olive leaves supported by COSMO-RS”, Separation and Purification Technology, Volume 248, 1 October 2020, https://doi.org/10.1016/j.seppur.2020.117054

 

E. Quijada-Maldonado, A. Allain, B. Pérez, G. Merlet, R. Cabezas, R. Tapia, J. Romero. “Selective Liquid-Liquid Extraction of Molybdenum (VI) and Rhenium (VII) from a synthetic pregnant leach solution: comparison between extractants and diluents”, Minerals Engineering, Volume 145, 2020, https://doi.org/10.1016/j.mineng.2019.106060.

 

2019

 

J. Romero, C. Zambra, G. Merlet, R. Cabezas, G. Correa, G. Salinas, J. González, F. Veliz & R. Lemus-Mondaca (2018) Liquid–liquid extraction of hydroxytyrosol, tyrosol, and oleuropein using ionic liquids, Separation Science and Technology, DOI: 10.1080/01496395.2018.1555171.

R. Cabezas, K. Suazo, G. Merlet, E. Quijada-Maldonado, A. Torres y J. Romero, “Performance of butanol separation from ABE mixtures by pervaporation using silicone-coated ionic liquid gel membranes”, RSC Advances, 10.1039/C8RA09630A.

 

2018

 

J. Romero, R. Cabezas. C. Araya-Lopez, G. Merlet (2018) Sustainable Catalysis in Ionic Liquids. Chapter 11 Membrane Technology for Catalytic Processes in Ionic Liquids, P. Lozano (Eds), CRC Press, Boca Raton. https://doi.org/10.1201/9781315148694.

 

2017

 

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.

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