Man

Tomás Vargas

Profesor Asociado

UNIVERSIDAD DE CHILE (UCH), FACULTAD CS.FISICAS Y MATEMATICAS , DPTO INGENIERIA QUIMICA

Santiago, Chile

Líneas de Investigación


Surface Science; Thin Films; Nanomaterials; surface science; nanoscience; ultra high vacuum techniques; LIXIVIACION QUÍMICA Y BACTERIANA DE MINERALES,; ELECTROOBTENCION Y ELECTROREFINO DE COBRE; CORROSION DE METALES; Processing, characterization and properties of complex ceramics and metallic alloys; Electron microscopy and microanalysis of engineering materials and nanoparticles; Defects, diffusion and phase transformation in solids

Educación

  •  Electrometallurgy, UNIVERSITY OF LONDON. Chile, 1984

Experiencia Académica

  •   Profesor asociado 44 horas semanales

    Universidad de Chile, Facultad Cs.Fisicas y matematicas, Dpto Ingenieria Quimica

    Santiago, Chile

    Sin Información - Sin Información

  •   Profesor Asociado Full Time

    Facultad de Ciencias Físicas y Matemáticas

    Santiago, Chile

    1989 - A la fecha


 

Article (65)

Copper Electrodeposition Kinetics Measured by Alternating Current Voltammetry and the Role of Ferrous Species
Copper Electrodeposition Kinetics Measured by Alternating Current Voltammetry and the Role of Ferrous Species
In situ mining through leaching=> experimental methodology for evaluating its implementation and economic considerations
Potentiodynamic Behavior of Carbon Steel in Borate Buffer Solutions under Different Hydrodynamic Conditions
Potentiodynamic Behavior of Carbon Steel in Borate Buffer Solutions under Different Hydrodynamic Conditions
Methyl-beta-Cyclodextrin Improves Sperm Capacitation Status Assessed by Flow Cytometry Analysis and Zona Pellucida-Binding Ability of Frozen/Thawed Bovine Spermatozoa
Synthesis of nanostructured zirconia by anodization at low potentials
Synthesis of nanostructured zirconia by anodization at low potentials
Biological and chemical control in copper bioleaching processes: When inoculation would be of any benefit?
Biological and chemical control in copper bioleaching processes: When inoculation would be of any benefit?
Anaerobic growth of Acidithiobacillus ferrooxidans on pyrite
Attachment of Acidithiobacillus ferrooxidans onto different solid substrates and fitting through Langmuir and Freundlich equations
Attachment of Acidithiobacillus ferrooxidans onto different solid substrates and fitting through Langmuir and Freundlich equations
Bioleaching of sulphide minerals with Sulfobacillus acidophilus at 45°C
Biological, chemical and transport phenomena which control the rate of copper leaching in heap and dump operations
Stability of reference genes for normalization of reverse transcription quantitative real-time PCR (RT-qPCR) data in bovine blastocysts produced by IVF, ICSI and SCNT
A novel mathematical model for the study of the electrochemical nucleation of metals on foreign substrates from the analysis of potentiostatic current transients
Modeling the kinetics of anodic dissolution of chalcopyrite based on electrochemical measurements conducted on chalcopyrite particle electrodes
Effect of flotation and solvent extraction reagents on the bioleaching of a copper concentrate with Sulfolobus metallicus
Effect of solution impurities on morphology and composition of copper electrodeposits obtained in membrane based cell
Influence of pitting and iron oxide formation during corrosion of carbon steel in unbuffered NaCl solutions
Influence of pitting and iron oxide formation during corrosion of carbon steel in unbuffered NaCl solutions
Reductive action of activated carbon on ferric iron interferes on the determination of the oxidative activity of Acidithiobacillus ferrooxidans on ferrous iron
Rietveld refinement of X-ray diffractograms evidences surface texturization in chemical and biological leaching of chalcopyrite at 70 degrees C
Rietveld refinement of X-ray diffractograms evidences surface texturization in chemical and biological leaching of chalcopyrite at 70ºC
Study of the variational patterns for corrosion kinetics of carbon steel as a function of dissolved oxygen and NaCl concentration
Study of the variational patterns for corrosion kinetics of carbon steel as a function of dissolved oxygen and NaCl concentration
The effect of solution impurities on the morphology and composition of copper electrodeposits obtained in a membrane-based cell
Cooperative action of attached and planktonic cells during bioleaching of chalcopyrite with Sulfolobus metallicus at 70 degrees C
Cooperative action of attached and planktonic cells during bioleaching of chalcopyrite with Sulfolobus metallicus at 70 °C
Cooperative action of attached and planktonik cells during bioleaching of chalcopyrite with Sulfolobus metallicus at 70 ºC
Formation of hydrocarbon gaseous compounds during bioleaching of copper sulfide minerals with mesophilic microorganisms
Formation of hydrocarbon gaseous compounds during bioleaching of copper sulphide minerals with mesophilic microorganisms
Corrosion kinetics studies of AISI 1020 carbon steel from disolved oxygen consumption measurements in aqueous sodium chloride solutions
Corrosion kinetics studies of AISI 1020 carbon steel from dissolved oxygen consumption measurements in aqueous sodium chloride solutions
Determination of electrochemical parameters and corrosion rate for carbon steel in un-buffered sodium chloride solutions using a superimposition model
Determination of electrochemical parameters and corrosion rate for carbon steel in un-buffered sodium chloride solutions using a superposition model
Monitoring of hydrocarbon gaseous compounds formed during bioleaching of copper sulphide minerals with mesophilic microorganisms
Solubility of sodium-jarosite and solution speciation in the system Fe(III)-Na-H2SO4-H2O at 70 degrees C
Solubility of sodium-jarosite and solution speciation in the system Fe(III)-Na-H2SO4-H2O at 70ºC
The catalytic influence of Sulfolobus metallicus in the bioleaching of chalcopyrite: role of attached and planktonic cells
Electrochemical study of the catalytic influence of Sulfolobus metallicus in the bioleaching of chalcopyrite at 70 degrees C
Electrochemical study of the catalytic influence of Sulfolobus metallicus in the bioleaching of chalcopyrite at 70ºC
Comparative study of alternative methods for the determination of Fe+3 and Fe+2 in leaching solutions and in acid mine drainages
Comparative study of alternative methods for the simultaneous determination of Fe+3 and Fe+2 in leaching solutions and in acid mine drainages
Bacterial oxidation of ferrous iron by Acidithiobacillus ferrooxidans in the pH range 2.5 – 7.0
Bacterial oxidation of ferrous iron by Acidithiobacillus ferrooxidans in the pH range 2.5-7.0
Novel electrochemical – enzymatic model which quantifies the effect of the solution Eh on the kinetics of ferrous iron oxidation with Acidithiobacillus ferrooxidans
Novel electrochemical-enzymatic model which quantifies the effect of the solution Eh on the kinetics of ferrous iron oxidation with Acidithiobacillus ferrooxidans
Chemical and electrochemical basis of bioleaching processes
Chemical and electrochemical basis of bioleaching processes
Nucleation and inhibition control during the hydrothermal-electrochemical growth of barium titanate films
Nucleation and inhibition control during the hydrothermal-electrochemical growth of barium titanate films
Attachment of Thiobacillus ferrooxidans on synthetic pyrite of varying structural and electronic properties
Bioleaching model of copper sulfide ore bed in heap and dump configurations
Bioleaching of refractory gold concentrates at high pulp densities in a non-conventional rotating drum reactor
Electrochemical studies on the hydrothermal electrochemical formation of BaTiO3 films
A method for the determination of the number of Thiobacillus ferrooxidans attached to sulfide minerals
Interfacial phenomena affecting the adhesion of Thiobacillus ferrooxidans to sulphide mineral surfaces
A model for the bacterial leaching of copper sulfide ores in pilot scale columns
Biotechnology and mineral processing: fundamentals of bacterial leaching processes
Controlled nucleation and growth in chromium electroplating from molten LiCl KCl
Anodic dissolution of Chalcopyrite in water acetonitrile solutions
Fixed bed vs rotary kiln in sponge iron production with local technology
Physical and chemical transformations of gangue materials during leaching of copper ore particles and their influence on copper leaching kinetics.

Abstract (1)

Present and long term effect of environmental lead exposure over intellectual impairment in children

ConferencePaper (10)

ANAEROBIC GROWTH OF ACIDITHIOBACILLUS FERROOXIDANS ON PYRITE
BIOLEACHING OF SULPHIDE MINERALS WITH SULFOBACILLUS ACIDOPHILUS AT 45 degrees C
Biological, chemical and transport phenomena which control the rate of copper leaching in heap and dump operations
A Novel Mathematical Model for the Study of Electrochemical Nucleation of Metals on Foreign Substrates from the Analysis of Potentiostatic Current Transients
Modeling the Kinetics of Anodic Dissolution of Chalcopyrite Based on Electrochemical Measurements Conducted on Chalcopyrite Particle Electrodes
EFFECT OF FLOTATION AND SOLVENT EXTRACTION REAGENTS ON THE BIOLEACHING OF A COPPER CONCENTRATE WITH SULFOLOBUS METALLICUS
Reductive action of activated carbon on ferric iron interferes on the determination of the oxidative activity of Acidithiobacillus ferrooxidans on ferrous iron
Rietveld refinement of X-ray diffractograms evidences surface texturization in chemical and biological leaching of chalcopyrite at 70°C
Monitoring of hydrocarbon gaseous compounds formed during bioleaching of copper sulphide minerals with mesophilic microorganisms
The catalytic influence of Sulfolobus metallicus in the bioleaching of chalcopyrite: Role of attached and planktonic population
38
Tomás Vargas

Profesor Asociado

Ingeniería Química, Biotecnología y materiales

UNIVERSIDAD DE CHILE (UCH), FACULTAD CS.FISICAS Y MATEMATICAS , DPTO INGENIERIA QUIMICA

Santiago, Chile

5
Luis Caceres

Academico Jornada Completa

Ingeniería Quimica y Procesos de Minerales

Universidad de Antofagasta

Antofagasta, Chile

3
Víctor Fuenzalida

Full Professor

Departamento de Física

UNIVERSIDAD DE CHILE, FCFM, DEPARTAMENTO DE FÏSICA

Santiago, Chile

3
Brian Townley

Associate Professor

Geology

UNIVERSIDAD DE CHILE

Santiago, Chile

2
RICARDO FELMER

Profesor titular

Ciencias Agronomicas y Recursos Naturales

UNIVERSIDAD DE LA FRONTERA

Temuco, Chile

2
Rodrigo Luca

Gerente General

Geoanalytical Vision S.A.

Santiago, Chile

2
Jesus Casas

Académico

Metallurgical and Materials Engineering

UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

Valparaiso, Chile

1
Patricia Diaz

Academic

University of Connecticut Health Center

Farmington, CT, Estados Unidos

1
Luis Cifuentes

Profesor Titular

Ingeniería de Minas

Universidad de Chile

Santiago, Chile

1
Marco Paredes

Profesor Asociado

Ciencias Básicas

Universidad de La Frontera

Temuco, Chile

1
Verónica Iglesias

Académico

Escuela de Salud Pública

FACULTAD DE MEDICINA, UNIVERSIDAD DE CHILE

Santiago, Chile

1
José Salgado

Associate Professor

Chemical Engineering, Biotechnology and Materials

UNIVERSIDAD DE CHILE

Santiago, Chile

1
Maria Toral

Profesor Titular

UNIVERSIDD DE CHILE, FACULTAD DE CIENCIAS, DEPARTAMENTO DE QUÍMICA

Santiago, Chile

1
Luis Aguila

Académico-docente

Escuela de Medicina Veterinaria

UNIVERSIDAD SANTO TOMAS

Temuco, Chile

1
Mario Grageda

Director

Ingeniería química y procesos de minerales

UNIVERSIDAD DE ANTOFAGASTA

Antofagasta, Chile

1
jacqueline hidalgo

post-doc

ingenieria quimica

universidad de chile

santiago, Chile

1
Fabiola Zambrano

Profesor Invitado

UNIVERSIDAD DE LA FRONTERA

TEMUCO, Chile