Man

Leopoldo Esteban Gutierrez Briones

Profesor Asociado

Universidad de Concepción

Concepción, Chile

Líneas de Investigación


Flotación de minerales Reología de suspensiones Fisicoquímica de superficies en sistemas coloidales

Educación

  •  Mineral Processing, UNIVERSITY OF BRITISH COLUMBIA. Canada, 2013
  •  Mineral Processing, UNIVERSITY OF BRITISH COLUMBIA. Canada, 2009
  •  Ingeniero Civil Metalúrgico, UNIVERSIDAD DE CONCEPCION. Chile, 2001
  •  Licenciado en Ciencias de la Ingeniería, BRITISH COUNCIL. Chile, 1999

Experiencia Académica

  •   Profesor Asistente Full Time

    UNIVERSIDAD DE CONCEPCION

    Facultad de Ingeniería

    Concepcion, Chile

    2013 - 2018

  •   Research Assistant Full Time

    UNIVERSITY OF BRITISH COLUMBIA

    Applied Science

    Vancouver, Canada

    2008 - A la fecha

  •   Profesor Asociado Full Time

    UNIVERSIDAD DE CONCEPCION

    Facultad de Ingeniería

    Concepción, Chile

    2018 - A la fecha

Experiencia Profesional

  •   Ingeniero de Procesos Principal Full Time

    De Re Metallica Engineering

    Santiago, Chile

    2002 - 2008

Premios y Distinciones

  •   Premio Concurso Patente UdeC 2016

    UNIVERSIDAD DE CONCEPCION

    Chile, 2016

    Se premió el desarrollo de un “Sensor capilar-helicoidal para medir las propiedades reológicas de suspensiones minerales en el rango de porcentajes de sólidos entre 25 y 70 %”

  •   2009 recipient of the CIM Vancouver Branch Graduate Research Award

    UNIVERSITY OF BRITISH COLUMBIA

    Canada, 2009

    This Award is given yearly to the grad student that presents a research with impact on the Canadian Mining Industry in the CIM Student Night. Work awarded: paper on “Probing mineral-bitumen liberation through rheological measurements”, In: Advances in Mineral Processing Science and Technology, Proceedings of the 7th UBC-McGill-UA International Symposium on Fundamentals of Mineral Processing, Met. Soc., Sudbury, Ontario, Canada, Gomez, C.O., Nesset, J.E., and Rao, S.R., 451-462, Aug. 2009.

  •   BecaChile de Estudios de Doctorado en el Extranjero, 2009

    CONICYT

    Chile, 2009

    Obtención de BecaChile para estudios de Doctorado en el Extranjero.

  •   Graduate Entrance Scholarship 2008, Master Studies

    UNIVERSITY OF BRITISH COLUMBIA

    Canada, 2008

    This Scholarship is given to some of the best incoming full-time master's and doctoral students at The University of British Columbia.

  •   Ramon Salas Edwards Award 2006

    Instituto de Ingenieros de Chile

    Chile, 2006

    This award is given by the Chilean Institute of Engineers to the best Scientific or technological work related to engineering. Work awarded:"A dynamic model for chloride control in SX plants".

  •   Premio Colegio de Ingenieros de Chile

    Colegio de Ingenieros de Chile

    Chile, 2001

    This award is given every year to the best student graduated from Metallurgical Engineering in Chile.

  •   Beca Shell Chile 2001

    Shell Chile

    Chile, 2001

    Merit based award given to the one of the best students of Metallurgical Engineering at the University of Concepcion, Chile.


 

Article (27)

Chalcopyrite and Molybdenite Flotation in Seawater: The Use of Inorganic Dispersants to Reduce the Depressing Effects of Micas
Incorporation of Rheological Characterization in Grinding and Tailings Slurries to Optimize the CMP Magnetic Separation Plant
Sulfomethylation of Radiata Pine Kraft Lignin and Its Use as a Molybdenite Depressant in Selective Chalcopyrite-Molybdenite Separation by Flotation
Testing the Capacity of Staphylococcus equorum for Calcium and Copper Removal through MICP Process
The depressing effect of an anionic polyacrylamide on molybdenite flotation and the importance of polymer anionicity
A Method to Predict Water Recovery Rate in the Collection and Froth Zone of Flotation Systems
Assessment of the use of lignosulfonates to separate chalcopyrite and molybdenite by flotation
Effect of E-h and pH on the flotation of enargite using seawater
Hemicelluloses monosaccharides and their effect on molybdenite flotation
Influence of Seawater on the Degree of Entrainment in the Flotation of a Synthetic Copper Ore
Molybdenite Flotation in the Presence of a Polyacrylamide of Low Anionicity Subjected to Different Conditions of Mechanical Shearing
The Depressing Effect of Kaolinite on Molybdenite Flotation in Seawater
Use of “oily bubbles” and dispersants in flotation of molybdenite in fresh and seawater
Flotation behavior of enargite in the process of flotation using seawater
The effect of clay minerals on the process of flotation of copper ores - A critical review
Zeta Potential of Pyrite Particles in Concentrated Solutions of Monovalent Seawater Electrolytes and Amyl Xanthate
Sodium hexametaphosphate and sodium silicate as dispersants to reduce the negative effect of kaolinite on the flotation of chalcopyrite in seawater
Use of polyethylene oxide to improve flotation of fine molybdenite
Evaluation of Chemical Reagents to Enhance the Dewatering of Fine Coal
Role of calcium and magnesium cations in the interactions between kaolinite and chalcopyrite in seawater
Use of dispersants in flotation of molybdenite in seawater
Use of wood hemicelluloses to improve copper recovery from high clay Cu-Mo ores
The depressing effect of clay minerals on the floatability of chalcopyrite
Observations on the yielding behaviour of oil sand slurries under vane and slump tests
Influence of humic acids on oil sand processing. Part I: Detection and quantification of humic acids in oil sand ores and their effect on bitumen wettability
Influence of humic acids on oil sand processing. Part II: Relationship between bitumen extraction, humic acids concentration and power draw measurements on oil sand slurries
Influence of pH and temperature on the rheology of aqueous quartz- bitumen suspensions

ConferencePaper (1)

Influence of clays on induction time, floatability and foam stability in the process of flotation of copper sulphide minerals

Proyecto (12)

Aprovechamiento de residuos agrícolas para mejorar la eficiencia y sustentabilidad del procesamiento de minerales de Cu arcillosos a través de flotación
Desarrollo de productos derivados de lignina para aplicaciones en la industria minera
CENTRO DE RECURSOS HIDRICOS PARA LA AGRICULTURA Y LA MINERIA
Effect of type of water on the rheological behavior of molybdenite suspensions under different conditions of pH, particle size and reagents additions.
Influence and mechanisms of action of fine clay particles in the process of flotation of copper minerals using conventional and seawater
Study of the mechanisms of action of phyllosilicates in the depression of the flotation of copper sulfides
Literature review on the technologies available to obtain an efficient dewatering of fine metallurgical coal
Upgrading of Thenardite ores Phase I and II (dry concentration)
Characterization of Floatability, Brine Frothability, Mineral Composition, and Sylvite Liberation for South Vanscoy Potash Ores (Vault project).
Characterization of Floatability, Mineral Composition, Liberation, and Surface Chemistry of High-Carnallite Potash Ores (Triton project).
Study of the correlation between bitumen recovery and rheology of oil sands slurries
MODELACION MATEMATICA DE UN EQUIPO MEZCLADOR-DECANTADOR PARA EXTRACCION POR SOLVENTE DE COBRE

Review (1)

The effect of clay minerals on the process of flotation of copper ores - A critical review
21
Leopoldo Gutierrez

Profesor Asociado

Ingeniería Metalúrgica

Universidad de Concepción

Concepción, Chile

4
LINA URIBE

Académica

Ingeniería

Universidad deTalca

Curicó, Chile

4
ANDRÉS RAMÍREZ

Profesor asistente

Ingeniería metalúrgica

Universidad de Concepción

Concepción, Chile

2
Pedro Toledo

Profesor Titular

Departamento Ingeniería Química

UNIVERSIDAD DE CONCEPCIÓN - DEPARTAMENTO DE INGENIERÍA QUÍMICA

Concepción, Chile

1
Regis Teixeira

Profesor Titular

Manejo de Bosques y Medio Ambiente

UNIVERSIDAD DE CONCEPCION, FACULTAD DE CIENCIAS FORESTALES

Concepcion, Chile

1
Pablo Reyes

Advanced Material Group Leader

Advanced Materials

Leitat Chile

Santiago , Chile

1
Sergio Acuña

ACADÉMICO

UNIVERSIDAD DEL BÍO-BÍO

CHILLÁN, Chile

1
Mariella Rivas

Profesor Asistente

Biotecnología

Universidad de Antofagasta

Antofagasta, Chile

1
Ricardo Jeldres

Profesor Asistente

UNIVERSIDAD DE ANTOFAGASTA

Concepción, Chile

1
Alvaro Torres

Associate Professor

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile