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Miguel Andres Maldonado Saavedra

Research Associate

Universidad de Santiago

Santiago, Chile

Development of gas dispersion sensors for flotation optimization. Modeling and advanced control of mineral processing systems Real time optimization of mineral processing systems

Electrical Engineering, UNIVERSITE LAVAL. Canada, 2010
Electrical Engineering, UNIVERSIDAD DE CONCEPCION. Chile, 2006
Electronic Civil Engineering, UNIVERSIDAD DE CONCEPCION. Chile, 2003

Research Associate Full Time

UNIVERSIDAD DE SANTIAGO DE CHILE

Engineering

Santiago, Chile

2013 - A la fecha
Postodoctoral Fellow Full Time

MCGILL UNIVERSITY

Engineering

Montreal, Canada

2010 - 2012

Development Engineer Full Time

Industrial Support Company Ltda

Santiago, Chile

2002 - 2006

Co-direction (undergraduate Students)
Rodrigo Aguilera L. “Multiple model approach for frother concentration estimation in flotation processes”. Metallurgical Civil Engineering Department of Metallurgical Engineering, University of Concepcion, Chile, Nov. 2009.

Alberto Riquelme D-. “Diseño e implementación de un sistema de medición de perfiles de conductividad en procesos metalúrgicos”. Electronic civil Engineering. University of Concepcion, Chile, May, 2010.

Co-direction (Graduate Students)
Alberto Riquelme D-. “Control of bubble size distributions”. PhD student. Department of Electrical and Computing Engineering,
Laval University, Quebec, Canada. (In progress)

Gas dispersion measurement campaign in large scale mining operations such as Codelco Div. Chuquicamata and Collahuasi.


Flotation Performance and Gas Dispersion Properties in a Laboratory Flotation Cell Femenias, Francisco; Maldonado, Miguel; Miranda, Nicolas; Gutierrez, Leopoldo Article ISI Minerals (2022)
Modelling Bubble Flow Hydrodynamics: Drift-Flux and Molerus Models Gomez, Cesar O.; Maldonado, Miguel Article ISI Minerals (2022)
A method to predic water recovery rate in the collection and froth zone of flotation systems Martinez, Jose; Maldonado, Miguel Andres; Gutierrez, Leopoldo Article WoS Minerals (2020)
A Method to Predict Water Recovery Rate in the Collection and Froth Zone of Flotation Systems Martinez, Jose; Maldonado, Miguel; Gutierrez, Leopoldo Article ISI Minerals (2020)
A new approach to measure gas holdup in industrial flotation machines. Part II: Effect of fluid properties Maldonado M.; Cretier R.; Melendez M.; Gomez, C. O. Article ISI SCOPUS (2020)
Influence of Seawater on the Degree of Entrainment in the Flotation of a Synthetic Copper Ore Gutierrez, Leopoldo; Betancourt, Fernando; Uribe, Lina; Maldonado, Miguel Article ISI Minerals (2020)
A new approach to measure gas holdup in industrial flotation machines part I: Demonstration of working principle Maldonado, M; Gomez, CO Article ISI SCOPUS MINERALS ENGINEERING (2018)
Electrode arrangements for continuous measurement of dispersion conductivity in lab flotation cells Maldonado, M.; Pinto, A.; Gomez, C.O.; Becerra-Yoma, N Article MINERALS ENGINEERING (2017)
Gas holdup estimation using Maxwell equation in flotation systems=> revisited Maldonado, M.; Pinto, A.; Magne, L.; Gomez, C.O.G.; Finch, J.A Article MINERALS ENGINEERING (2016)
Predictive control of the bubble size distribution in a two-phase pilot flotation column Riquelme A.; Desbiens, A.; del Villar R.; Maldonado, M Article ISI SCOPUS MINERALS ENGINEERING (2016)
Automatic control of bubble size in a laboratory flotation column Maldonado, M; Desbiens, A.; Poulin E.; del Villar R.; Riquelme A. Article ISI INTERNATIONAL JOURNAL OF MINERAL PROCESSING (2015)
Identification of a non-linear dynamic model of the bubble size distribution in a pilot flotation column Riquelme A.; Desbiens, A.; del Villar R.; Maldonado, M Article ISI SCOPUS International Journal of Mineral Processing (2015)
Optimizing flotation bank performance through froth depth profiling: Revisited Seguel, F; Soto, I.; Krommenacker, N; Maldonado, M; Yoma, NB Article ISI SCOPUS Minerals Engineering (2015)
A device for measuring conductivity of dispersions Riquelme A.; Desbiens, A.; del Villar R.; Maldonado, M Article ISI SCOPUS MEASUREMENT (2014)
Experimental study on the shape-velocity relationship of an ellipsoidal bubble in inorganic salt solutions Quinn, J. J.; Maldonado, M.; Gomez, C. O.; Finch, J. A. Article ISI MINERALS ENGINEERING (2014)
Measuring gas dispersion parameters: Selection of sampling points Araya, R.; Maldonado, M.; Gomez, C. O.; Finch, J. A. Article ISI MINERALS ENGINEERING (2014)
An experimental study examining the relationship between bubble shape and rise velocity Maldonado, M; Quinn, JJ; Gomez, CO; Finch, JA Article ISI CHEMICAL ENGINEERING SCIENCE (2013)
Experimental study on the shape–velocity relationship of an ellipsoidal bubble in inorganic salt solutions Quinn, J; Maldonado, M; Gomez, C. O.; Finch, J. A. Article MINERALS ENGINEERING (2013)
Optimizing flotation bank performance by recovery profiling Maldonado, M; Araya, R; Finch, J. A. Article MINERALS ENGINEERING (2011)
Technique to Automate Measurement of Water Overflow Rate in Frother Characterization Testing R. Araya, M. Maldonado; C. Gomez, J. Finch Article Minerals Engineering (2011)
Towards the Optimization of Flotation Column Operation A. Desbiens, R. del Villar; M. Maldonado, J. Bouchard Article CIM Journal (2011)
On-Line Estimation of Frother Concentration for Flotation Processes Maldonado, M; Desbiens, A.; del Villar R.; Aguilera R. Article ISI CANADIAN METALLURGICAL QUARTERLY (2010)
Technique to automate measurement of water overflow rate in frother characterization testing Araya, R; M Maldonado; Gomez, C. O.; Finch, J. A. Article MINERALS ENGINEERING (2010)
Potential use of model predictive control for optimizing the column flotation process Maldonado, M; Desbiens, A.; del Villar R. Article INTERNATIONAL JOURNAL OF MINERAL PROCESSING (2009)
An update on the estimation of froth depth using conductivity measurements Maldonado, M; Desbiens, A.; del Villar R. Article MINERALS ENGINEERING (2008)
An update on the estimation of the froth depth using conductivity measurements Maldonado, M.; Desbiens, A.; del Villar, R. Article ISI MINERALS ENGINEERING (2008)
Decentralized control of a pilot flotation column: a 3x3 system Maldonado, M; Desbiens, A.; del Villar R. Article CANADIAN METALLURGICAL QUARTERLY (2008)
On-line estimation of bias rate using conductivity measurements Maldonado, M; Desbiens, A.; del Villar R.; Chirinos, J. Article MINERALS ENGINEERING (2008)
Optimal control of a rougher flotation process based on dynamic programming Maldonado, M; Sbarbaro D.; Lizama, E Article ISI SCOPUS MINERALS ENGINEERING (2007)


Automatic Control in Mineral Processing MALDONADO, MIGUEL A BookSection (2015)
Automatic control of flotation columns Desbiens, A.; del Villar R.; Maldonado, M; Bouchard J.; Sbarbaro D.; del Villar R. BookSection Advances control and supervision of mineral processing plants (2010)


Control of bubble size in a laboratory flotation column Maldonado, M; Desbiens, A.; del Villar R.; Riquelme A. ConferencePaper 15th International Conference on Electronics, Communications and Computers, Proceedings (2010)
Frother and viscosity effects on bubble size and terminal velocity Gomez, C. O.; Maldonado, M; Finch, J. A. ConferencePaper 15th International Conference on Electronics, Communications and Computers, Proceedings (2010)
Nonlinear control of bubble size in a laboratory flotation column Maldonado, M; Desbiens, A.; del Villar R.; Riquelme A.; Poulin E. ConferencePaper 15th International Conference on Electronics, Communications and Computers, Proceedings (2010)
Nonlinear control of bubble size in a laboratory otation column Maldonado, M; Desbiens, A.; del Villar R.; Poulin E.; Riquelme A. ConferencePaper SCOPUS IFAC Proceedings Volumes (2010)
On-line estimation of frother concentration in flotation processes Maldonado, M; Desbiens, A.; del Villar R.; Aguilera R. ConferencePaper 15th International Conference on Electronics, Communications and Computers, Proceedings (2009)
A two level hierarchical control structure for optimizing a rougher flotation circuit Sbarbaro D.; Maldonado, M; Cipriano A. ConferencePaper 1604-2004: SUPERNOVAE AS COSMOLOGICAL LIGHTHOUSES (2008)
On-line estimation of bubble size distributions using Gaussian mixture models Maldonado, M; Desbiens, A.; del Villar R.; Girgin, E; Gomez, C. O.; Kuyvenhoven R.; Gomez, C. O.; Casali, A. ConferencePaper 15th International Conference on Electronics, Communications and Computers, Proceedings (2008)
An overview of optimizing strategies for flotation banks Maldonado, M; Araya, A; Finch, J. A. ConferencePaper 15th International Conference on Electronics, Communications and Computers, Proceedings (2007)
Towards the optimization of flotation columns using predictive control Maldonado, M; Desbiens, A.; del Villar R.; Quispe A. ConferencePaper 15th International Conference on Electronics, Communications and Computers, Proceedings (2007)


APARATO Y MÉTODO PARA MEDIR LA FRACCIÓN VOLUMÉTRICA DE UN FLUIDO AIREADO EN UN REACTOR Maldonado, M; Gomez, C. O. Patent
SISTEMA SUMERGIBLE Y MÉTODO PARA LA MEDICIÓN DE DENSIDAD Y/O CONCENTRACIÓN DE SÓLIDOS DE UNA DISPERSIÓN Maldonado, M; Gomez, C. O. Patent


Real-time supervision and self-optimizing control of industrial flotation machines by integrating froth and collection zone state variables Maldonado, M Proyecto (2021)
Desarrollo de un sistema de medición no-nuclear en tiempo real de la densidad de pulpa mineral en dispersiones aireadas FONDEF (ID16I10420) Proyecto 2017-2018 Director(a)
Validación y empaquetamiento de sensor para la medición en línea y tiempo real del contenido volumétrico de gas en dispositivos de flotación de minerales INNOVA CORFO (15VEIID-45786) Proyecto 2015-2017 Director(a)
Center for Multidisciplinary Research on Signal Processing PIA (ACT1120) Proyecto 2013-2015 Investigador(a)
Desarrollo de medición en línea del contenido de aire para la optimización del proceso de flotación FONDEF (CA13I10320) Proyecto 2013-2015 Subdirector(a)
Flotation bank optimization by recovery profiling FONDECYT (11130173) Proyecto 2013-2016 Inv. Principal
Desarrollo de Sistemas de Medición en línea del contenido de aire para la optimización del proceso de flotación Maldonado, M; Magne L.; Cubillos, F Proyecto (0)