Man

Rafael Padilla Duran

Full Professor

UNIVERSIDAD DE CONCEPCIÓN

Concepción, Chile

Líneas de Investigación


Extractive Metallurgy, Pirometalurgy and e Hydrometalurgy; Kinetics and thermodynamics of metallurgical Processes, solid - fluid reactions

Educación

  •  METALLURGY, UNIVERSITY OF UTAH. Estados Unidos, 1984
  •  Metallurgy, UNIVERSITY OF UTAH. Estados Unidos, 1977

Experiencia Académica

  •   Professor Full Time

    UNIVERSIDAD DE CONCEPCION

    Engineering

    Concepcion, Chile

    1986 - A la fecha

  •   Adjunct Professor Full Time

    Technical University of Oruro

    Engineering

    Oruro, Bolivia

    1978 - 1979

  •   Profesor Titular Full Time

    UNIVERSIDAD DE CONCEPCION

    Ingenieria

    Concepción, Chile

    1988 - A la fecha


 

Article (71)

Dissolution kinetics of marmatite in sulfuric acid-ferric sulfate‑sodium chloride‑oxygen media at atmospheric pressure
Mechanism and Kinetics of Stibnite Dissolution in H2SO4-NaCl-Fe(SO4)1.5-O2
Kinetics of carbothermic reduction of marmatite in presence of lime
Solvent extraction of copper from sulfate-chloride solution using mixed and modified hydroxyoxime Extractants LIX 84-IC and LIX 860-IC modified hydroxyoxiime extractants
Mechanism and Kinetics of Stibnite Chloridizing with Calcium Chloride-Oxygen at 500 degrees C to 650 degrees C
Solvent extraction of copper from sulfate-chloride solution using LIX 84-IC and LIX 860-IC modified hydroxyoxiime extractants
Effect of chloride ions on the copper extraction using LIX 984N and acorga M5910
Kinetics of the Cupric Catalyzed Oxidation of Fe-II by Oxygen at High Temperature and High Pressure
Kinetics of the Cupric Catalyzed Oxidation of FeII by Oxygen at High Temperature and High Pressure
Digestion kinetics of arsenic removal from enargite-tennantite concentrates
Digestion kinetics of arsenic removal from enargite-tennantite concentrates
Galvanic Effect of Pyrite on Chalcopyrite Leaching in Sulfate-Chloride Media
Kinetics of Copper Removal from Sulfidized Molybdenite Concentrates by Pressure Leaching
Kinetics of Copper Removal from Sulfidized Molybdenite Concentrates by Pressure Leaching
Kinetics of the pressure leaching of enargite in FeSO4-H2SO4-O-2 media
ANTIMONY PRODUCTION BY CARBOTHERMIC REDUCTION OF STIBNITE IN THE PRESENCE OF LIME
Kinetics of Copper Removal from Sulfidized Molybdenite Concentrates by Pressure Leaching
KINETICS OF STIBNITE (Sb2S3) OXIDATION AT ROASTING TEMPERATURES
KINETICS OF STIBNITE (Sb2S3) OXIDATION AT ROASTING TEMPERATURES
Selective arsenic removal from enargite by alkaline digestion and water leaching
Selective arsenic removal from enargite by alkaline digestion and water leaching
Selective Arsenic Removal from Enargite by Alkaline Digestion and Water Leaching
Kinetics of copper dissolution in the purification of molybdenite concentrates by sulfidation and leaching
Reaction Mechanism and Kinetics of Enargite Oxidation at Roasting Temperatures
Chalcopyrite leaching in sulfate-chloride media at ambient pressure
Chalcopyrite leaching in sulfate-chloride media at ambient pressure
Kinetics of the Oxidation of Bismuthinite in Oxygen-Nitrogen Atmospheres
Mechanism of enargite pressure leaching in the presence of pyrite
Mechanism of enargite pressure leaching in the presence of pyrite
Copper and arsenic dissolution from chalcopyrite-enargite concentrate by sulfidation and pressure leaching in H2SO4-O-2
High-Temperature Volatilization Mechanism of Stibnite in Nitrogen-Oxygen Atmospheres
Copper extraction from white metal by pressure leaching in H2SO4-FeSO4-O-2
Kinetics of copper dissolution from sulfidized chalcopyrite at high pressures in H2SO4-O-2
Kinetics of pressure dissolution of enargite in sulfate-oxygen media
Effect of variables on the quality of hematite precipitated from sulfate solutions
Oxygen pressure leaching of white metal
Pressure leaching of sulfidized chalcopyrite in sulfuric acid-oxygen media
A novel reaction system involving BaS and BaSO4 for converting SO2 to elemental sulfur without generating pollutants=> Part I. Feasibility and kinetics of SO2 reduction with BaS
A novel reaction system involving BaS and BaSO4 for converting SO2 to elemental sulfur without generating pollutants=> Part II. Kinetics of the hydrogen reduction of BaSO4 to BaS
Determination of coalescence functions in liquid-liquid dispersions
Determination of coalescence functions in liquid-liquid dispersions
Determination of coalescence functions in liquid-liquid dispersions
Leaching of enargite in H2SO4-NaCl-O-2 media
Leaching of enargite in H2SO4-NaCl-O-2 media
Analysis of breakage functions for liquid-liquid dispersions
Analysis of breakage functions for liquid-liquid dispersions
Analysis of breakage functions for liquid-liquid dispersions
Kinetics of the sulfidation of chalcopyrite with gaseous sulfur
Kinetics of the sulfidation of chalcopyrite with gaseous sulfur
Kinetics of the sulfidation of chalcopyrite with gaseous sulfur
Leaching of sulfidized chalcopyrite with H(2)SO(4)-NaCl-O(2)
Leaching of sulfidized chalcopyrite with H(2)SO(4)-NaCl-O(2)
Leaching of sulfidized chalcopyrite with H2SO4-NaCl-O2
Sulfidation of chalcopyrite with elemental sulfur
Sulfidation of chalcopyrite with elemental sulfur
Sulfidation of chalcopyrite with elemental sulfur
Drop size distribution in a batch mixer under breakage conditions
Drop size distribution in a batch mixer under breakage conditions
Drop size distribution in a batch mixer under breakage conditions
Decomposition of enargite in nitrogen atmosphere
Decomposition of enargite in nitrogen atmosphere
Decomposition of enargite in nitrogen atmosphere
Kinetics of the lime enhanced reduction of Cu2S with carbon
Kinetics of the lime enhanced reduction of Cu2S with carbon
Kinetics of the lime enhanced reduction of Cu2S with carbon
Copper removal from molybdenite concentrate by sodium dichromate leaching
Leaching kinetics of digenite concentrate in oxygenated chloride media at ambient pressure
Carbothermic reduction of molybdenite in the presence of CaO
Separation of liquid-liquid dispersions in a deep-layer gravity settler=> Part I. Experimental study of the separation process
Separation of liquid-liquid dispersions in a deep-layer gravity settler=> Part II Mathematical modeling of the settler
The reduction of stannic oxide with carbon

ConferencePaper (16)

Arsenic and antimony removal from copper concentrates by digestion with NaHS-NaOH
Copper removal from molybdenite by sulfidation-leaching process
Removal of arsenic from enargite rich copper concentrates
DECOMPOSITION AND OXIDATION OF BISMUTHINITE IN NITROGEN-OXYGEN ATMOSPHERES
ENHANCED PRESSURE DISSOLUTION OF ENARGITE USING PYRITE OR FERROUS SULFATE
DECOMPOSITION/VOLATILIZATION OF ENARGITE IN NITROGEN - OXYGEN ATMOSPHERE
Pressure leaching of enargite-pyrite concentrates
VOLATILIZATION OF ANTIMONITE IN NITROGEN-OXYGEN ATMOSPHERES
Precipitation rate of hematite in sulfate media
Pressure leaching of enargite in sulfate-oxygen media
Precipitation of hematite from ferrous sulfate solutions: Effects of variables on the quality of the precipitates
Pressure leaching of white metal as an alternative to conversion
Process for converting so 2 to sulfur without generating pollutants through reactions involving BaS and BaSO 4
Environmentally friendly route to copper production: Sulfidation and leaching of chalcopyrite concentrates
Determination of drop size distributions in a continuous mixer
Sulfidation of chalcopyrite with gaseous sulfur

Editorial (2)

Preface
TMS Annual Meeting: Preface

Proyecto (13)

SOLVENT EXTRACTION OF COPPER FROM AQUEOUS SOLUTIONS CONTAINING CHLORIDE SALTS AND SEA WATER
VAPORIZATION OF SB, AS AND BI IN CHLORINATING ROASTING OF SB2S3, CU3ASS4 AND BI2S3
REMOVAL OF ARSENIC FROM COPPER CONCENTRATES BY ALKALINE BAKING AND LEACHING WITH NA2S-NAOH
REMOVAL OF COPPER FROM MOLYBDENITE CONCENTRATES BY SULFIDATION AND LEACHING
KINETICS OF OXIDATION/VOLATILIZATION OF CU3ASS4, SB2S3, AND BI2S3 IN N2 - O2 MIXTURES
PRESSURE LEACHING OF ARSENICAL COPPER CONCENTRATES WITH SIMULTANEOUS PRECIPITATION OF ARSENIC AS A STABLE FERRIC ARSENATE
LIXIVIACION EN AUTOCLAVE DE CALCOPIRITA SULFURIZADA.
TRATAMIENTO HIDROMETALURGICO DE METAL BLANCO
SULFURIZACION DE CALCOPIRITA Y ENARGITA CON AZUFRE ELEMENTAL
MODELACION MATEMATICA DE UN EQUIPO MEZCLADOR-DECANTADOR PARA EXTRACCION POR SOLVENTE DE COBRE
TRATAMIENTO DE SULFUROS DE COBRE POR CLORURO CUPRICO-OXIGENO
Desarrollo de un Proceso Integrado no Contaminante para el Tratamiento de Concentrado de Cobre
MODELACION MATEMATICA DE UN DECANTADOR GRAVITACIONAL PARA EXTRACCION POR SOLVENTES
56
Rafael Padilla

Full Professor

Department of Metallurgical Engineering

UNIVERSIDAD DE CONCEPCIÓN

Concepción, Chile

32
Maria Ruiz

Full Professor

Metallurgical Engineering

University of Concepcion

Concepcion, Chile

2
IGOR WILKOMIRSKY

Professor

Metallurgical Engr.

University of Concepción

Concepción, Chile

2
Oscar Jerez

Ingeniero Metalurgista

Universidad de Concepción

Concepción, Chile