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Teófilo Arnoldo Graber Seguel

Académico. Profesor Titular

UNIVERSIDAD DE ANTOFAGASTA

Antofagasta, Chile

Crystallization; Phase Equilibrium

Ingeniería Química, UNIVERSIDAD DE CHILE. Chile, 2002

Académico. Profesor Titular Full Time

UNIVERSIDAD DE ANTOFAGASTA

Ingeniería

Antofagasta, Chile

1973 - At present

Académico Full Time

Universidad de Antofagasta

Antofagasta, Chile

1973 - At present

Tesis dirigidas y finalizadas: 5 tesis de doctorado, 5 de magister y 24 de Ingeniería

Realización de diferentes asesorías y estudios de investigación para empresas, entre otras: SQM Salar, SQM Nitratos,Sociedad Chilena del Litio, Lithium Americas Corp., Enaex, Cosayach Ltda., Codelco Norte, Molymet S. A., Empresa Minera Mantos Blancos, Minera Yolanda, Minsal S. A., Minera ACF Ltda., Servicios Mineros Carlton, SKM Minmetal.
Dirección de proyectos de investigación/asesorías para empresas y proyectos de investigación académica (entre otros 6 proyectos FONDECYT como investigador responsable)


Modeling of the density, viscosity and electrical conductivity of aqueous solutions saturated in boric acid in presence of lithium sulfate or sodium sulfate at 293.15 to 313.15 K Alavia, Wilson; Lovera, Jorge A.; Graber, Teofilo A.; Azua, Daniela; SOTO, ISMAEL Article ISI FLUID PHASE EQUILIBRIA (2021)
Process Design to Obtain Copper Sulfate Crystals Using Solid-Liquid Equilibrium of Copper Sulfate-Sulfuric Acid-Seawater Justel, Francisca J.; Taboada, Maria E.; Jimenez, Yecid P.; Graber, Teofilo A. Article ISI JOURNAL OF SUSTAINABLE METALLURGY (2021)
Thermodynamic Model for the Design of a Process of Production of Copper Sulfate Pentahydrate from Copper Ores Justel, Francisca J.; Taboada, Maria E.; Flores, Elsa K.; Galleguillos, Hector R.; Graber, Teofilo A. Article ISI ACS OMEGA (2020)
Determination of the reaction kinetic parameters for Li2CO3 crystallization from Li2SO4 and Na2CO3 solutions using calorimetric measurements Aguilar Paola, Graber Teófilo Article Industrial & Engineering Chemistry Research (2018)
Leaching of Chalcopyrite in Acidified Nitrate Using Seawater-Based Media Hernandez, Pia C.; Taboada, Maria E.; Herreros, Osvaldo O.; Graber, Teofilo A.; Ghorbani, Yousef Article ISI SCOPUS Minerals (2018)
Effect of additives on size and shape of lithium carbonate crystals Taborga P.; Brito I.; Graber T.A. Article ISI SCOPUS JOURNAL OF CRYSTAL GROWTH (2017)
Solar water heating system and photovoltaic floating cover to reduce evaporation: Experimental results and modeling 2. Taboada M.E., Caceres L., Graber T.A., Galleguillos H. R., Cabeza L. F., Rojas R. Article ISI SCOPUS RENEWABLE ENERGY (2017)
Characterization of Raw and Decopperized Anode Slimes from a Chilean Refinery Melo Aguilera E.; Hernández Vera M.C.; Viñals J.; Graber Seguel T. Article ISI SCOPUS METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE (2016)
Characterization of Raw and Decopperized Anode Slimes from a Chilean Refinery Melo Evelyn; Hernández Maria Cecilia; Viñals Joan; Graber Teofilo Article Metallurgical and Materials Transactions B (2016)
Synthesis and characterization of physical, thermal and thermodynamic properties of ionic liquids based on [C(12)mim] and [N-444H] cations for thermal energy storage Lamas, A; Brito, I; Salazar, F; Graber, TA Article ISI SCOPUS JOURNAL OF MOLECULAR LIQUIDS (2016)
The effect of 2-propanol, ferrous sulfate and copper chloride on the solubility and physicochemical properties of acidic copper sulfate solutions at 298.15 K Taboada, M.E.; Claros, M; Flores E.K.; Graber T.A.; Bolado, S Article ISI SCOPUS FLUID PHASE EQUILIBRIA (2015)
The effect of seawater based media on copper dissolution from low-grade copper ore Torres C.M.; Taboada, M.E.; Graber T.A.; Herreros O.O.; Ghorbani, Y; Watling H.R. Article ISI SCOPUS MINERALS ENGINEERING (2015)
Thermodynamic modeling of the solubility of boric acid in the systems boric acid plus lithium sulfate plus water, boric acid plus sodium sulfate plus water and boric acid plus potassium sulfate + water at 293.15-313.15 K Alavia, W.; Lovera J.; Graber, TA Article ISI SCOPUS Fluid Phase Equilibria (2015)
Recovery of nitrates from leaching solutions using seawater Torres, MA; Meruane, GE; Graber, TA; Gutierrez, PC; Taboada, ME Article ISI SCOPUS Hydrometallurgy (2013)
Solid-Liquid Equilibrium and Process Design of CuSO4 + NaCl + (H2O or H2SO4/H2O) Systems at 298.15 K Rocha, OA; Claros, M; Graber, TA; Flores, EK; Taboada, ME Article ISI SCOPUS INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2013)
Solubility, Density, Refractive Index, Viscosity, and Electrical Conductivity of Boric Acid plus Lithium Sulfate plus Water System at (293.15, 298.15, 303.15, 308.15 and 313.15) K Alavia, W.; Lovera, JA; Cortez, BA; Graber, TA Article ISI SCOPUS Journal of Chemical and Engineering Data (2013)
Behavior of sodium nitrate and caliche mineral in seawater: Solubility and physicochemical properties at different temperatures and concentrations Taboada, M.E.; Hernandez P.C.; Galleguillos H.R.; Flores E.K.; Graber T.A. Article ISI SCOPUS Hydrometallurgy (2012)
Behavior of sodium nitrate and caliche mineral in seawater: Solubility and physicochemical properties at different temperatures and concentrations Taboada M.E.; Hernandez P.C.; Galleguillos H.R.; Flores E.K.; Graber T.A. Article HYDROMETALLURGY (2012)
Effect of Seawater on the Solubility and Physicochemical Properties of Acidic Copper Sulfate Solutions Hernandez P.C.; Galleguillos H.R.; Graber T.A.; Flores E.K.; Taboada, M.E. Article ISI SCOPUS Journal of Chemical and Engineering Data (2012)
Measurement and modeling of density and viscosity of the NaClO4 + H2O + poly(ethylene glycol) system at various temperatures Jimenez, Y. P.; Taboada, M.E.; Graber T.A.; Galleguillos H.R. Article ISI SCOPUS FLUID PHASE EQUILIBRIA (2012)
Thermophysical Properties of a New Dicationic Ionic Liquid Claros, M; Galleguillos H.R.; Brito, I; Graber T.A. Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2012)
Activity coefficients of LiCl in (PEG 4000 + water) at T = (288.15, 298.15, and 308.15) K 12. Morales J.; Galleguillos H.; Graber T. A.; Hernández-Luis F. Article Journal of chemical Thermodynamics (2010)
Activity coefficients of LiCl in (PEG 4000+water) at T = (288.15, 298.15, and 308.15) K Morales, JW; Galleguillos, HR; Graber, TA; Hernandez-Luis, F Article ISI SCOPUS Journal of Chemical Thermodynamics (2010)
Activity Coefficients of NaNO3 in Poly(ethylene glycol) 4000 + Water Mixtures at (288.15, 298.15, and 308.15) 13. Hernández-Luis F.; Morales J.; Graber T. A.; Galleguillos H. Article Journal of Chemical and Engineering Data (2010)
Activity Coefficients of NaNO3 in Poly(ethylene glycol) 4000+Water Mixtures at (288.15, 298.15, and 308.15) K Hernandez-Luis, F; Morales, JW; Graber, TA; Galleguillos, HR Article ISI SCOPUS Journal of Chemical and Engineering Data (2010)
Modeling of high-pressure vapor liquid equilibrium in ionic liquids plus gas systems using the PRSV equation of state Arce, PF; Robles, PA; Graber, TA; Aznar M Article ISI SCOPUS Fluid Phase Equilibria (2010)
Prediction of liquid-liquid equilibrium for ternary systems containing ionic liquids with the tetrafluoroborate anion using ASOG Robles, PA; Graber, TA; Aznar M Article ISI SCOPUS Fluid Phase Equilibria (2010)
SYNTHESIS AND THERMAL PROPERTIES OF TWO NEW DICATIONIC IONIC LIQUIDS Claros, M; Graber, TA; Brito, I; Albanez, J; Gavin, JA Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2010)
Activity coefficients of NaCl in the NaCl + NaBF4 + H2O ternary system at 298.15 K Galleguillos, HR; Graber, TA; Taboada, ME; Hernandez-Luis, F Article ISI SCOPUS FLUID PHASE EQUILIBRIA (2009)
Correlation of solubilities for the NaCl + LiCl + H2O system with the Pitzer model at 15, 25, 50, and 100 degrees C Lovera, JA; Graber, TA; Galleguillos, HR Article ISI SCOPUS CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY (2009)
Crystallization of Hydrated Ferric Arsenate. Process Design Using METSIM Hernandez, PC; Taboada, ME; Graber, TA; Galleguillos, HR Article ISI SCOPUS INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2009)
Equilibria of Aqueous System Phases Containing Arsenic plus Iron and Arsenic plus Calcium at (323.15 and 343.15) K Taboada, ME; Hernandez, PC; Flores, EK; Galleguillos, HR; Graber, TA Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2009)
Prediction by the ASOG method of liquid-liquid equilibrium for binary and ternary systems containing 1-alkyl-3-methylimidazolium hexafluorophosphate Robles, PA; Graber, TA; Aznar M Article ISI SCOPUS FLUID PHASE EQUILIBRIA (2009)
Activity Coefficients of LiCl in Ethanol-Water Mixtures at 298.15 K Hernandez-Luis F.; Galleguillos, H.; Graber, T.; Taboada M. E. Article Industrial & Engineering Chemistry Research (2008)
Activity coefficients of LiCl in ethanol-water mixtures at 298.15K Hernandez-Luis, F; Galleguillos, HR; Graber, TA; Taboada, ME Article ISI SCOPUS INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2008)
Behavior of LiOH center dot H2O crystals obtained by evaporation and by drowning out Graber, TA; Morales, JW; Robles, PA; Galleguillos, HR; Taboada, ME Article ISI SCOPUS CRYSTAL RESEARCH AND TECHNOLOGY (2008)
The ternary system arsenic pentoxide + ferric sulphate + water: Solubility, density and refractive index of saturated solutions at 323.15 and 343.15 K Taboada, M.E.; Castillo P.C.; Flores E.K.; Graber T.A. Article SCOPUS FLUID PHASE EQUILIBRIA (2008)
Activity coefficients of NaBF4 in aqueous solution Galleguillos, HR; Hernandez-Luis, F; Graber, TA; Morales, JW Article JOURNAL OF CHEMICAL THERMODYNAMICS (2007)
Activity coefficients of NaBF4 in aqueous solution Galleguillos, HR; Hernandez-Luis, F; Graber, TA; Morales, JW Article ISI SCOPUS JOURNAL OF CHEMICAL THERMODYNAMICS (2007)
Phase equilibrium and partition of iodide in an aqueous biphasic system formed by (NH4)(2)SO4 plus PEG plus H2O at 25 degrees C Graber, TA; Medina H.; Galleguillos, HR; Taboada, ME Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2007)
Process design for drowning-out crystallization of lithium hydroxide monohydrate Taboada, ME; Graber, TA; CISTERNAS, LA; Cheng, YS; Ng, KM Article ISI SCOPUS CHEMICAL ENGINEERING RESEARCH & DESIGN (2007)
Experimental determination of densities of aqueous electrolyte mixtures containing B(OH)(3) or Na2B4O7 and their correlation with the Pitzer model Galleguillos, HR; Molina, MA; Graber, TA; Taboada, ME; Hernandez-Luis, F Article ISI SCOPUS INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2006)
Compositions, densities, conductivities, and refractive indices of potassium chloride or/and sodium chloride plus PEG 4000 plus water at 298.15 and liquid-liquid equilibrium of potassium chloride or sodium chloride plus PEG 4000 plus water at 333.15 K Taboada, ME; Galleguillos, HR; Graber, TA Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2005)
Density, viscosity, refractive index and electrical conductivity of saturated solutions of the lithium hydroxide plus ethanol plus water system at 298.15 K, and thermodynamic description of the solid-liquid equilibrium Taboada, ME; Galleguillos, HR; Graber, TA; Alvarez-Benedi, J Article ISI SCOPUS FLUID PHASE EQUILIBRIA (2005)
Solubility, density, viscosity, electrical conductivity, and refractive index of saturated solutions of lithium hydroxide in water plus ethanol Taboada, ME; Veliz, DM; Galleguillos, HR; Graber, TA Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2005)
Density, refractive index, viscosity, and electrical conductivity in the Na2CO3 plus poly(ethylene glycol) plus H2O system from (293.15 to 308.15) K Graber, TA; Galleguillos, HR; Cespedes, C; Taboada, ME Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2004)
Liquid-liquid equilibrium of the aqueous two-phase system water plus PEG 4000 plus lithium sulfate at different temperatures. Experimental determination and correlation Graber, TA; Galvez, ME; Galleguillos, HR; Alvarez-Benedi, J Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2004)
Sodium carbonate extractive crystallization with poly(ethylene glycol) equilibrium data and conceptual process design Taboada, ME; Graber, TA; CISTERNAS, LA Article ISI SCOPUS INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2004)
Activity of water in the KI+KNO3+H(2)Oternary system at 298.15 K Galleguillos, HR; Graber, TA; Taboada, ME; Hernandez-Luis, FF Article ISI JOURNAL OF CHEMICAL AND ENGINEERING DATA (2003)
Compositions, densities, and refractive indices of potassium chloride plus ethanol plus water and sodium chloride plus ethanol plus water solutions at (298.15 and 313.15) K Galleguillos, HR; Taboada, ME; Graber, TA; Bolado S. Article JOURNAL OF CHEMICAL AND ENGINEERING DATA (2003)
Compositions, densities, and refractive indices of potassium chloride plus ethanol plus water and sodium chloride plus ethanol plus water solutions at (298.15 and 313.15) K Galleguillos, HR; Taboada, ME; Graber, TA; Bolado, S Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2003)
Crystallization of potassium sulfate by cooling and salting-out using 1-propanol in a calorimetric reactor Taboada, ME; Palma, PA; Graber, TA Article ISI SCOPUS CRYSTAL RESEARCH AND TECHNOLOGY (2003)
Refractive index, density, and viscosity in the NaNO3+H2O+ poly(ethylene glycol) system at various temperatures Graber, TA; Galleguillos, H; Asenjo, JA; Andrews, BA Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2002)
Solubilities, densities, viscosities, electrical conductivities, and refractive indices of saturated solutions of potassium sulfate in water plus 1-propanol at 298.15, 308.15, and 318.15 K Taboada, ME; Veliz, DM; Galleguillos, HR; Graber, TA Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2002)
Influence of molecular weight of the polymer on the liquid-liquid equilibrium of the poly(ethylene glycol) plus NaNO3+H(2)Osystem at 298.15 K Graber, TA; Taboada, ME; Asenjo, JK; Andrews, BA Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2001)
Liquid-liquid and solid-liquid equilibria of the poly(ethylene glycol) plus sodium sulfate plus water system at 298.15 K Taboada, ME; Rocha, OA; Graber, TA; Andrews, BA Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2001)
Drowning-out crystallisation of sodium sulphate using aqueous two-phase systems Taboada, ME; Graber, TA; Asenjo, JA; Andrews, BA Article ISI SCOPUS Journal of Chromatography B (2000)
Liquid-liquid equilibrium of the poly(ethylene glycol) plus sodium nitrate plus water system at 298.15 K Graber, TA; Taboada, ME; Carton, A; Bolado, S Article ISI SCOPUS JOURNAL OF CHEMICAL AND ENGINEERING DATA (2000)
Model for the partition of metal ions in aqueous two-phase systems Graber, TA; Andrews, BA; Asenjo, JA Article ISI SCOPUS Journal of Chromatography B (2000)
Determination of mass transfer coefficients for crystal growth of nitrate salts Graber, TA; Taboada, ME; Alvarez, MN; Schmidt, EH Article ISI CRYSTAL RESEARCH AND TECHNOLOGY (1999)


Análisis de la distribución de tamaño de cristales en línea, en diferentes partes del proceso de cristalización de Quiborax, usando sonda FBRM QUIBORAX (CICITEM) Proyecto 2015-2015 Coinvestigador(a)
Laboratorio móvil de lixiviación con uso de energía solar y agua de mar para apoyo a la pequeña minería y liceos técnicos Gobierno Regional FIC-R (FIC-R) Proyecto 2015-2017 Coinvestigador(a)
CRYSTALLIZATION AND LEACHING USING SEA WATER IN MINERAL PROCESSES FONDECYT (1140169) Proyecto 2014-2017 Coinvestigador(a)
Asesoría en temas de equilibrio lixiviación-cristalización para SQM SQM (CICITEM) Proyecto 2013-2014 Coinvestigador(a)
Balance Metalúrgico de cloruros en procesos de minerales de Minera Esperanza Minera Esperanza (CICITEM) Proyecto 2013-2014 Coinvestigador(a)
Fundamental studies on saline water use in leaching and associated unit processes CORFO (CSIRO) Proyecto 2013-2015 Coinvestigador(a)
CHILENIAN SALTS AS PHASE CHANGE MATERIALS FOR THERMAL ENERGY STORAGE IN HOUSING FONDECYT (1120422) Proyecto 2012-2015 Coinvestigador(a)
LITHIUM BRINE PROCESSING BY CRYSTALLIZATION AND ELECTRODIALYSIS FONDECYT (1120192) Proyecto 2012-2015 Inv. Responsable
SOLID - LIQUID EQUILIBRIUM IN AQUEOUS SYSTEMS OF METALLIC AND NON-METALLIC MINERAL USING SEA WATER. THERMODYNAMIC AND SEPARATION PROCESS FONDECYT (1100685) Proyecto 2010-2014 Coinvestigador(a)
METAL EXTRACTION BY USING IONIC LIQUIDS. MINERAL INDUSTRY APPLICATIONS. FONDECYT (1085059) Proyecto 2008-2011 Inv. Responsable
INORGANIC COMPOUNDS SEPARATION WITH AQUEOUS BIPHASIC SYSTEMS. FONDECYT (1070909) Proyecto 2007-2010 Coinvestigador(a)
EQUILIBRIO DE FASES Y CRISTALIZACION DE EFLUENTES. APLICACION A SALES DE ARSENICO. FONDECYT (1050869) Proyecto 2005-2009 Coinvestigador(a)
CRISTALIZACION REACTIVA DE SALES DE LITIO Y BORO DE INTERES REGIONAL. FONDECYT (1040299) Proyecto 2004-2008 Inv. Responsable
ESTUDIO DE EQUILIBRIO DE FASES Y PARTICIPACION DE YODO EN SISTEMAS ACUOSOS BIFASICOS. FONDECYT (7020893) Proyecto 2002-2004 Inv. Responsable
ESTUDIOS DE EQUILIBRIO DE FASES Y CRISTALIZACION EXTRACTIVA PARA SALES DE LITIO Y POTASIO FONDECYT (1011049) Proyecto 2001-2005 Coinvestigador(a)
CRISTALIZACION DE SALES INORGANICAS BASADA EN SISTEMAS ACUOSOS BIFASICOS FONDECYT (1990907) Proyecto 1999-2002 Inv. Responsable
ESTUDIOS DE CRISTALIZACION POR EVAPORACION Y ENFRIAMIENTO A TRAVES DE MEDICIONES AUTOMATIZADAS. APLICACION A SALES DE NITRATOS. FONDECYT (1950671) Proyecto 1996-1999 Coinvestigador(a)
ESTUDIO INTEGRAL DE CRISTALIZACION DE SALMUERAS DE INTERES INDUSTRIAL. MODELACION Y ESCALAMIENTO FONDECYT (1930347) Proyecto 1993-1996 Inv. Responsable
DISENO Y SIMULACION INTERACTIVOS DE PROCESOS DE CRISTALIZACION FRACCIONADA. SISTEMAS CUATERNARIOS DE ELECTROLITOS FUERTES FONDECYT (1921199) Proyecto 1992-1995 Coinvestigador(a)
" ESTUDIO DE VARIABLES TERMODINAMICAS Y CINETICAS EN CRISTALIZACION." FONDECYT (1890775) Proyecto 1989-1992 Coinvestigador(a)