Man

Willy Andrés Kracht Gajardo

Associate Professor

UNIVERSIDAD DE CHILE

Santiago, Chile

Líneas de Investigación


Mineral Processing; Flotation; Geometallurgy; Process Modelling; Integration of Solar Energy to Mining Processes

Educación

  •  Mining and Materials Engineering, MCGILL UNIVERSITY. Chile, 2008
  •  Ciencias de la Ingeniería, Mención Metalurgia Extractiva, UNIVERSIDAD DE CHILE. Chile, 2004
  •  Ingeniero Civil Químico, UNIVERSIDAD DE CHILE. Chile, 2004
  •  Licenciado en Ciencias de la Ingeniería, Mención Química, UNIVERSIDAD DE CHILE. Chile, 2002

Experiencia Académica

  •   Associate Professor Full Time

    Universidad de Chile

    Faculty of Physical and Mathematical Sciences

    Santiago, Chile

    2018 - A la fecha

  •   Assistant Professor Full Time

    UNIVERSIDAD DE CHILE

    Faculty of Physical and Mathematical Sciences

    Santiago, Chile

    2009 - 2017

  •   Instructor Full Time

    UNIVERSIDAD DE CHILE

    Faculty of Physical and Mathematical Sciences

    Santiago, Chile

    2005 - 2008

Formación de Capital Humano


Ebisu, Y. (2018). Behaviour of locked fine particles of the copper sulfides in the deposit of Arqueros project. Master’s thesis, Universidad de Chile. Supervised

San Martín, F. (2018). Biodepression of pyrite with acidithiobacillus ferrooxidans in seawater flotation. PhD thesis, Universidad de Chile. Supervised

Fuenzalida, O. (2018). Model predictive control of froth flotation processes aided by a dynamic simulator. Master’s thesis, Universidad de Chile. Supervised

Pamparana, G. (2017). Simulating the operation of a copper SAG mill, integrated with photovoltaic solar energy and a battery energy storage system. Master’s thesis, Universidad de Chile. Supervised

Morales A., F. (2017). Studying the interaction between seawater and lime in mineral processing systems. Master’s thesis, Universidad de Chile. Supervised

Schwarze, J. F. (2017). Pre-treatment of bituminous copper ore previous to froth flotation. Master’s thesis, Universidad de Chile. Co-supervised

Álvarez, M. (2016). Water/rock interaction and physical-chemical controls in mineral processing: effect of aluminium, calcium and magnesium ions. Master’s thesis, Universidad de Chile. Supervised

Montes, H. (2015). Geometallurgical modelling of the flotation process based on mineralogy and metallurgical tests. Master’s thesis, Universidad de Chile. Supervised

Mesa, D. (2015). Study of the effect of frother type and concentration on froth formation in presence of clays. Master’s thesis, Universidad de Chile. Supervised

Lois, P. (2015). Study of the water-rock interaction during grinding and the physicochemi- cal/geochemical impacts on flotation: Case study on Escondida porphyry. Master’s thesis, Universidad de Chile. Co-supervised

Guarda, N. (2015). Effect of controlled cooling on the energy consumption and recovery of valuable elements in copper smelter slag processing. Master’s thesis, Universidad de Chile. Supervised

Sepúlveda, F. (2015). Evaluation of the use of solar energy in copper electro-wining. Bachelor’s thesis, Universidad de Chile. Supervised

Rothen, R. (2015). Insertion of renewable energies in mining processes. Bachelor’s thesis, Universidad de Chile. Co-supervised

Moraga, C. (2014). Measurement of bubble size using sound and determination of critical coalescence concentration curves at laboratory scale. Master’s thesis, Universidad de Chile. Supervised

Lorca, J. (2014). Technical economical evaluation of using seawater in a concentrator. Bachelor’s thesis, Universidad de Chile. Supervised

Osses, B. (2014). Methodology for generating a spatial model of copper rougher concentrate grade. Bachelor’s thesis, Universidad de Chile. Co-supervised



 

Article (30)

An LSTM Approach for SAG Mill Operational Relative-Hardness Prediction
Attachment of Acidithiobacillus ferrooxidans to pyrite in fresh and saline water and fitting to Langmuir and Freundlich isotherms
Machine Learning and Deep Learning Methods in Mining Operations: a Data-Driven SAG Mill Energy Consumption Prediction Application
Mechanisms of pyrite biodepression with Acidithiobacillus ferrooxidans in seawater flotation
Optimization of a SAG Mill Energy System: Integrating Rock Hardness, Solar Irradiation, Climate Change, and Demand-Side Management
Change of support using non-additive variables with Gibbs Sampler=> Application to metallurgical recovery of sulphide ores
Studying the integration of solar energy into the operation of a semi-autogenous grinding mill. Part I=> Framework, model development and effect of solar irradiance forecasting
Studying the integration of solar energy into the operation of a semi-autogenous grinding mill. Part II=> Effect of ore hardness variability, geometallurgical modeling and demand side management
The influence of seawater on magnetite tailing rheology
Biodepression of pyrite using Acidithiobacillus ferrooxidans in seawater
The relevance of water recirculation in large scale mineral processing plants with a remote water supply
Using advanced mineral characterisation techniques to estimate grinding media consumption at laboratory scale
Integrating photovoltaic solar energy and a battery energy storage system to operate a semi-autogenous grinding mill
Towards solar power supply for copper production in Chile: Assessment of global warming potential using a life-cycle approach
Acoustic measurement of the bubble Sauter mean diameter d32
Effect of surfactant type on the entrainment factor and selectivity of flotation at laboratory scale
Indirect measurement of frother concentration based on l-CCC curves
Textural image classification of foams based on variographic analysis
A stochastic approach for measuring bubble size distribution via image analysis
Study of the local critical coalescence concentration (l-CCC) of alcohols and salts at bubble formation in two-phase systems
Using Two-Point Set Statistics to Estimate the Diameter Distribution in Boolean Models with Circular Grains
Effect of frother on initial bubble shape and velocity
Geometallurgical modelling of the Collahuasi flotation circuit
Influence of frothers on bubble shape and velocity close to the generation point
Bubble break-up and the role of frother and salt
Using sound to study bubble coalescence
Controlling bubble size using a grit and sleeve sparser
Comparing the effect of salts and frother (MIBC) on gas dispersion and froth properties
Characterization and modeling of bubbles size distribution in mechanical flotation cells
Rate constant modelling for batch flotation, as a function of gas dispersion properties

ConferencePaper (1)

Workflows in geometallurgical prediction: Challenges and outlook

Proyecto (5)

Geo-mining-metallurgical characterization and predictive modelling: towards the future mining
Bioflotation of sulfides in seawater: evaluation of potential application of biocompo- nents in copper ore processing with seawater
Solar Mining
Development of a continuous sensor for measuring bubble size in flotation
Study of bubble coalescence prevention in the presence of frothers by means of bub- ble acoustic emissions in flotation systems

Review (1)

Renewable energy in copper production: A review on systems design and methodological approaches
30
Willy Kracht

Associate Professor

Department of Mining Engineering

UNIVERSIDAD DE CHILE

Santiago, Chile

5
Xavier Emery

Full professor

Mining Engineering

UNIVERSIDAD DE CHILE

Santiago, Chile

3
JULIAN ORTIZ

Associate Professor

Robert M. Buchan Department of Mining

Queen's University

Kingston, ON, Canada

3
Jannik Haas

Investigador

Universidad de Chile

Santiago, Chile

2
Christian Ihle

Profesor Asociado

Ingeniería de Minas

UNIVERSIDAD DE CHILE

Santiago, Chile

2
Rodrigo Palma

Profesor Titular

Ingeniería Eléctrica

Universidad de Chile

SANTIAGO, Chile

2
Aldo Casali

Académico

Ingeniería de Minas

Universidad de Chile

Santiago, Chile

1
Brian Townley

Associate Professor

Geology

UNIVERSIDAD DE CHILE

Santiago, Chile

1
Giovanni Pamparana

Ingeniero Investigador

Departamento de Ingeniería de Minas

Universidad de Chile

Santiago, Chile

1
Cristian Reyes

Ingeniero e Investigador

Minería

AMTC, Laboratorio de Reología y Fluidodinámica, Universidad de Chile

Santiago, Chile

1
Claudio Acuña

Profesor en Propiedad

Ingeniería Química y Ambiental

Universidad Técnica Federico Santa María

Valparaíso, Chile

1
Felipe Valencia

Investigador

Ciencias Físicas y Matemáticas

Universidad de Chile

Santaigo, Chile

1
Alvaro Egaña

Director Ejecutivo Lab. ALGES - Investigador Asociado

Departamento de Ingeniería de Minas

Universidad de Chile

Santiago, Chile