Tomás Vargas Valero

Tomás Vargas Valero

  • Grado máximo: Ph. D. Universidad de Londres
  • Jerarquía: Profesor Asociado
  • Área de investigación: Hidrometalurgia, Electrometalurgia, Biohidrometalurgia
  • Email: tvargas@ing.uchile.cl

Publicaciones


  1. M.E. Wagner, R. Valenzuela, T. Vargas, M. Colet-Lagrille y A. Allanore, (2016) “Copper Electrodeposition Kinetics Measured by Alternating Current Voltammetry and the Role of Ferrous Species”, Journal of the Electrochemical Society, 163(2) D17-D23. ISSN: 0013-4651, FI: 3.014

  2. J. Hidalgo, M. Colet-Lagrille, A. Mukasyan, V.M. Fuenzalida y T. Vargas, (2015) “Synthesis of Nanostructured Zirconia by Anodization at Low Potentials”, Crystal Research and Technology, 50(11) 879-883. ISSN: 1521-4079, FI: 0.908

  3. Vargas T., Davis-Belmar C.S., Cárcamo C. (2014) “Biological and chemical control in copper bioleaching processes: When inoculation is of any benefit?” Hydrometallurgy, 150, 290-298. ISSN: 0304-386X. FACTOR DE IMPACTO: 2.224

  4. B. Escobar, D. Bravo, I. Jaque, A.Collari,T. Vargas, Bioleaching of Sulphide Minerals with Sulfobacillus acidophilus at 45°C, Advanced Materials Research, 825: 284 – 287 (2013).

  5. B.Escobar, T. Vargas, Anaerobic Growth of Acidithiobacillus ferrooxidans on Pyrite, Advanced Materials Research, 825: 96 – 99 (2013).

  6. L. Xia, Z. Shen, T. Vargas, W.J. Sun, R.M. Ruan, Z.D. Xia, Z.D. Qiu, Attachment of Acidithiobacillus ferrooxidans onto different solid substrates and fitting through Langmuir and Freundlich equations, Biotechnol. Letters, 35: 2129 – 2136 (2013).

  7. T. Vargas, C. Davis-Belmar (2013), Biological, Chemical and Transport Phenomena which Control the Rate of Copper Leaching in Heap and Dump Operations, Advanced Materials Research, 825: 288 – 291.

  8. T. Vargas, M. Colet, J.C. Salgado, A novel mathematical model for the study of the electrochemical nucleation of metals on foreign substrates from the analysis of potentiostatic current transients, ECS Transactions, 28(6):155-163 (2010)

  9. H. Jordan, T. Vargas, Modeling the kinetics of anodic dissolution of chalcopyrite based on electrochemical measurements conducted on chalcopyrite particle electrodes, ECS Transactions, 28(6): 201-209 (2010).

  10. T. Vargas, P. Díaz, B. Escobar, Reductive action of activated carbon on ferric iron interferes on the determination of the oxidative activity of Acidithiobacillus ferrooxidans on ferrous iron, Adv. Mat. Research, 71/73: 291-294 (2009).

  11. P. Oyarzún, V. Gautier, M. Reich, T. Vargas, Rietveld refinement of X-ray diffractograms evidences surface texturization in chemical and biological leaching of chalcopyrite at 70ºC, Adv. Mat. Research, 71/73: 389-392 (2009).

  12. B. Escobar, L. Quiroz,T. Vargas, Effect of flotation and solvent extraction reagents on the bioleaching of a copper concentrate with Sulfolobus metallicus, Adv. Mat. Research, 71/73: 421-424 (2009).

  13. L. Cáceres, T. Vargas, L. Herrera, Influence of pitting and iron oxide formation during corrosion of carbon steel in unbuffered NaCl solutions, Corrosion Science, 51:971-978 (2009).

  14. L. Cáceres, T. Vargas and M. Parra, Study of the variational patterns for corrosion kinetics of carbon steel as a function of dissolved oxygen and NaCl concentration. Electrochimica Acta, 54:7435-7443 (2009).

  15. Cifuentes L., Grageda M., Casas J.M.,Vargas T., The effect of solution impurities on the morphology and composition of copper electrodeposits obtained in a membrane-based cell. Materials Science and Technology, 25:753-759 (2009)

  16. Gautier V., Escobar B., Vargas T., Cooperative action of attached and planktonik cells during bioleaching of chalcopyrite with Sulfolobus metallicus at 70 ºC, Hydrometallurgy, 94: 121-126 (2008).

  17. Luca R., Escobar B., Vargas T. Formation of hydrocarbon gaseous compounds during bioleaching of copper sulphide minerals with mesophilic microorganisms. Hydrometallurgy Nº 1-4 pág(s) 5457 (2008).


Proyectos


  1. Centro Basal Avanzado de Tecnología para la Minería, AMTC, (Proyecto FB0809)Fuente: CONICYT, 10 años, 2009,. Jefe de Proyecto

  2. Recovery of phosphorous from Vale phosphate ore tailings applying bioleaching with autotrophic microorganisms. Proyecto R&D financiado por Vale S.A.(Brasil), 3 años, 2012, Jefe de Proyecto

  3. Anodos de litio metálico nanoestructurados para el desarrollo de baterías de alta potencia. Proyecto CIL (Centro de Investigación del Litio), Fuente: FCFM, U. de Chile, 1 año, 2012. Jefe de Proyecto.

  4. FONDECYT 1110168: “Electrochemical and hydrothermal growth of zirconia nanostructures on solid surfaces”: 2011-2014

  5. PROYECTO CIL-UNIVERSIDAD DE CHILE: “Desarrollo de ánodos micro/nano estructurados de litio metálico”: 2012-2013

  6. PROYECTO VALE-BRASIL: “Recovery of phosphorous from Vale phosphate ore tailings applying bioleaching with autotrophic microorganisms”: 2012-1014.

  7. FONDECYT 1090733: “Corrosion rate and pitting pattern formation in extended carbon steel surfaces immersed in aerated NaCl solutions under controlled fluid flow conditions”, 2009-2011