Académicos

Gonzalo Quezada

...

Doctor en Ciencias de la Ingeniería m/ Ingeniería Química,
Universidad de Concepción, Chile.

Ingeniero Civil Químico,
Universidad de Concepción, Chile.

Especialidad:
Simulación computacional aplicada a procesos industriales y medio ambiente. Enfoque en dinámica molecular, modelado multiescala, floculación, separación de minerales y sostenibilidad de procesos industriales.
 

Sus principales áreas de investigación son:

  • Recuperación de aguas en relaves arcillosos y en agua de mar en industria minera.
  • Remoción de contaminantes de iones poliatómicos en aguas de riego para la agricultura.
  • Adsorción de compuestos por métodos de simulación computacional.
  • Estudio de materiales laminares adsorbentes.

Proyectos

  1. Fondecyt de Iniciación 2024 N° 11240299 “Improvement of additives for water treatment processes in mining using simulation and experiments”. Investigator principal. (2024-2027)
  2. FAPESP 2024/12309-5. Projeto: “Líquidos Iônicos e Solventes eutéticos Profundos: Potenciais materiais na Captura e Conversão de Gases de Efeito Estufa. Experimental, Modelagem e Simulação Dinâmica Molecular”. Escola de Engenharia de Lorena, Universidade de São Paulo. Investigador colaborador
  3. Fondecyt Regular 2021 N° 1211606 “Improving the tailings management and water recovery in mineral processing through novel polymers of advanced architecture”. Co-investigador. (2021-2025)
  4. Fondecyt Postdoctorado 2020 N° 3200978 “Effect of salts and clays in water clarification: molecular recognition phenomena in mineral processing in freshwater and saltwater by molecular modeling tools”. Investigador Responsable. (2020-2023)
     

Publicaciones (Últimos 5 años)

  1. Rios, L.A., Barraza, M.J., Robles, P.A., Quezada, G.R. (2025). Chalcopyrite Flotation, Molecular Design and Smart Industry: A Review. International Journal of Molecular Science. 26(8), 3613.
  2. Quezada, G.R., Vargas, A. A., Nieto, S., García, K. I., Robles, P., & Jeldres, R. I. (2025). Molecular Dynamics Study of Polyacrylamide and Polysaccharide-Derived Flocculants Adsorption on Mg(OH)2 Surfaces at pH 11. Polymers, 17(2), 227.
  3. Segovia, M., Galleguillos Madrid, F. M., Portillo, C., Rojas, E. M., Gallegos, S., Castillo, J., Salazar, I., Quezada, G.R. & Toro, N. (2024). The Positive Impact of the Open Access Scientific Publishing in Chile. Publications, 12(4), 41.
  4. Ramos, J. J., Nieto, S., Quezada, G.R., Leiva, W., Robles, P., Betancourt, F., & Jeldres, R. I. (2024). Rheological Behavior of Clay Tailings in the Presence of Divalent Cations and Sodium Polyacrylate: Insights from Molecular Dynamics Simulations. Polymers, 16(21), 3091.
  5. Retamal, F., Solar, C., Saavedra, J. H., Quezada, G.R., Orvalho, S., Toledo, P. G. (2024). Effect of aliphatic alcohol-based and polyglycol polymer-based foaming agents on the water-liquid-vapor interface by means of molecular dynamics. Journal of Molecular Liquids, 407, 125279.
  6. Leiva, W. H., Toro, N., Robles, P., Quezada, G.R., Salazar, I., & Jeldres, R. (2024). Clay Tailings Flocculated in Seawater and Industrial Water: Analysis of Aggregates, Sedimentation, and Supernatant Quality. Polymers, 16(10), 1441.
  7. Nieto, S., Toledo, P. G., Robles, P., Quezada, G.R., & Jeldres, R. I. (2024). Impact of magnesium on the flocculation, sedimentation and consolidation of clay-rich tailings in lime-treated seawater. Separation and Purification Technology, 332, 125633.
  8. Retamal, J. I., Robles, P. A., Quezada, G.R., & Jeldres, R. I. (2024). Molecular Design and Spodumene Flotation—A Review. International Journal of Molecular Sciences, 25(6), 3227.
  9. Quezada, G.R., Solar, C., Saavedra, J. H., Petit, K., Martin-Martínez, F. J., Arteaga-Pérez, L. E., & Norambuena-Contreras, J. (2024). Operando FTIR-ATR with molecular dynamic simulations to understand the diffusion mechanism of waste tire-derived pyrolytic oil for asphalt self-healing. Fuel, 357, 129834.
  10. Quezada, G.R., Retamal, F., Jeldres, M., & Jeldres, R. I. (2023). Understanding the Behavior of Sodium Polyacrylate in Suspensions of Silica and Monovalent Salts. Polymers, 15(19), 3861.
  11. Alvarado, O., Quezada, G.R., Saavedra, J. H., Rozas, R. E., Gutiérrez, L., & Toledo, P. G. (2023). Alkali Halide and MIBC Interaction at Typical Flotation Interfaces in Saline Water as Determined by Molecular Dynamics Simulations. Minerals, 13(5), 665.
  12. Quezada, G.R., Toro, N., Krishna, R. S., Mishra, S., Robles, P., Salazar, I., ... & Jeldres, R. I. (2023). Experimental and Simulation Studies on Hematite Interaction with Na-Metasilicate Pentahydrate. Molecules, 28(8), 3629.
  13. García, K. I., Quezada, G.R., Arumí, J. L., & Toledo, P. G. (2023). Phosphate aggregation, diffusion, and adsorption on kaolinite in saline solutions by molecular dynamics simulation. Applied Clay Science, 233, 106844.
  14. Quezada, G. R., Leiva, W., Saavedra, J. H., Robles, P., Gálvez, E., & Jeldres, R. I. (2022). A Molecular Dynamics Simulation of Polymers’ Interactions with Kaolinite (010) Surfaces in Saline Solutions. Polymers, 14(18), 3851.
  15. Quezada, G. R., Piceros, E., Saavedra, J. H., Robles, P., & Jeldres, R. I. (2022). Polymer affinity with quartz (1 0 1) surface in saline solutions: A molecular dynamics study. Minerals Engineering, 186, 107750.
  16. Alvarado, O., Quezada, G. R., Saavedra, J. H., Rozas, R. E., & Toledo, P. G. (2022). Species Surface Distribution and Surface Tension of Aqueous Solutions of MIBC and NaCl Using Molecular Dynamics Simulations. Polymers, 14(10), 1967.
  17. Quezada, G. R., Mejía, A., Piceros, E., Robles, P., Nieto, S., Gálvez, E., Jeldres, R. I. (2022). Describing the adsorption of sodium tripolyphosphate on kaolinite surfaces in a saline medium by molecular dynamics. Minerals Engineering, 175, 107280.
  18. Quezada, G. R., Toro, N., Saavedra, J., Robles, P., Salazar, I., Navarra, A., & Jeldres, R. I. (2021). Molecular Dynamics Study of the Conformation, Ion Adsorption, Diffusion and Water Structure of Soluble Polymers in Saline Solutions. Polymers, 13(20), 3550.
  19. García, K. I., Quezada, G. R., Arumí, J. L., Urrutia, R., & Toledo, P. G. (2021). Adsorption of Phosphate Ions on the Basal and Edge Surfaces of Kaolinite in Low Salt Aqueous Solutions Using Molecular Dynamics Simulations. The Journal of Physical Chemistry C, 125 (38), 21179-21190.
  20. Quezada, G. R., Piceros, E., Robles, P., Moraga, C., Gálvez, E., Nieto, S., & Jeldres, R. I. (2021). Polyacrylic Acid to Improve Flotation Tailings Management: Understanding the Chemical Interactions through Molecular Dynamics. Metals, 11(6), 987.
  21. Quezada, G. R., Rozas, R. E., & Toledo, P. G. (2021) Polyacrylamide adsorption on (1 0 1) quartz surfaces in saltwater for a range of pH values by molecular dynamics simulations. Minerals Engineering, 162, 106741.
  22. Quezada, G. R. & Toledo, P. G. (2021). Complexation of Alkali and Alkaline-Earth Metal Cations at Spodumene-Saltwater Interfaces by Molecular Simulation: Impact on Oleate Adsorption. Minerals, 11(1), 12.
  23. Quezada, G. R., Jeldres, M., Toro, N., Robles, P., Toledo, P. & Jeldres, R. I. (2021). Understanding the flocculation mechanism of quartz and kaolinite with polyacrylamide in seawater: A molecular dynamics approach. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 608, 125576.
  24. Quezada, G. R., Jeldres, M., Robles, P., Toro, N., Torres, D. & Jeldres, R. I. (2020). Improving the Flocculation Performance of Clay-Based Tailings in Seawater: A Population Balance Modelling Approach. Minerals. 10(9), 782.
  25. Quezada, G. R., Saavedra, J. H., Rozas, R. E., & Toledo, P. G. (2020). Molecular dynamics simulations of the conformation and diffusion of partially hydrolyzed polyacrylamide in highly saline solutions. Chemical Engineering Science, 214, 115366.
  26. Quezada, G. R., Jeldres, M., Toro, N., Robles, P., & Jeldres, R. I. (2020). Reducing the Magnesium Content from Seawater to Improve Tailing Flocculation: Description by Population Balance Models. Metals, 10(3), 329.
  27. Jeldres, M., Piceros, E. C., Toro, N., Robles, P., Nieto, S., Quezada, G. R., & Jeldres, R. I. (2020). Enhancing the sedimentation of clay-based tailings in seawater by magnesium removal treatment. Separation and Purification Technology, 242, 116762.
  28. Quezada, G. R., Ayala, L., Leiva, W. H., Toro, N., Toledo, P. G., Robles, P., & Jeldres, R. I. (2020). Describing Mining Tailing Flocculation in Seawater by Population Balance Models: Effect of Mixing Intensity. Metals, 10(2), 240.
  29. Quezada, G., & Toledo, P. G. (2020) Structure of the Interface Between Lithium-Rich Spodumene and Saltwater by Density Functional Theory Calculations and Molecular Dynamics Simulations. The Journal of Physical Chemistry C, 124(2), 1446-1457.
  30. Quezada, G., Ramos, J., Jeldres, R. I., Robles, P., & Toledo, P. G. (2020). Analysis of the flocculation process of fine tailings particles in saltwater through a population balance model. Separation and Purification Technology, 237, 116319.
Doctorado y Magíster en Ingeniería de Materiales y Procesos Sustentables | Departamento de Ingeniería en Maderas | Facultad Ingeniería
Universidad del Bío-Bío Avda. Collao N°1202 CP. 4081112 | Tel:  +56 41 311 1168  | dimpros@ubiobio.cl