Pérez, Kevin, Metallurgical and Mining Engineering Department, Universidad Católica del Norte, Antofagasta 1270709, Chile 2Oulu Mining School, University of Oulu, Oulu 90570, Finland; Faculty of Engineering and Architecture, Universidad Arturo Prat, Almirante Juan José Latorre 2901, Antofagasta 1244260, Chile and Department of Chemical Engineering and Mineral Processes, Faculty of Engineering, Universidad de Antofagasta, Antofagasta 1270300, Chile, Chile