Preliminary Technical Programme (5 short courses, 5 plenaries, 44 presentations and 1 discussion panel) Countries represented (11): Australia, Brazil, Canada, Chile, Ecuador, Finland, France, Peru, South Africa, Sweden and the USA Short Courses, 9-10 July Thermodynamic calculations for modeling aqueous systems Instructors: Courtney Young and Hsin-Hsuin Huang Technological advances for treating gold refractory ores Instructor: Julio César Tremolada Improved leaching techniques of copper ore in piles Instructor: Carlos Avendaño Acid mine drainage modeling Instructor: David Arcos and Jordi Guimerà Knowledge management applied to human resources in the mining industry Instructor: Andrés Cabrera Croquevielle Plenaries (5 presentations) Impregnated activated carbon for gold extraction from thiosulfate solutions Courtney Young, Metallurgical and Materials Engineering, Montana Tech, USA; Nick Gow, Hydrometallurgy Group, FLSmidth, USA Geotechnical lessons learned from the operation of Cerro Verde s crush leach pad 4-A Helbert Galdos, Javier Guevara and Arnaldo Saavedra, Sociedad Minera Cerro Verde S.A.A., Peru Biohydrometallurgy: The state of the art and the industrial operation Cecilia Demergasso, Universidad Católica del Norte, Chile Heap leaching aeration: Science or art? Jorge Menacho and Wildo Cifuentes, De Re Metallica Ingeniería, Chile Breaking down some paradigms in copper hydrometallurgy Gabriel Zárate, Anglo American Chile Discussion Panel Transport and use of sea water in hydrometallurgical plants.
1. Base metals hydrometallurgy (12 presentations) Daily process mineralogy a metallurgical tool for optimized copper leaching Wolfgang Baum, Kevin Ausburn and Randy Zahn, FLSmidth Salt Lake City, Inc., USA Direct production of high purity cobalt sulphate heptahydrate from a NICO deposit concentrate Alex Mezei, Michael Johnson and Cornelia Lupu, SGS Mineral Services, Metallurgical Operations, Canada; Ron Molnar, METNETH2O Inc., Canada; Keith Lee and Robin Goad, Fortune Minerals Limited, Canada Copper extraction from oxide ore using sea water Cynthia Torres, Maria Elisa Taboada, Teófilo Graber and Héctor Galleguillos, CSIRO-Chile International Centre of Excellence in Mining and Mineral Processing, Universidad de Antofagasta, Chile; Helen Watling, CSIRO-Chile International Centre of Excellence in Mining and Mineral Processing, CSIRO Minerals Down Under Flagship, Australian Minerals Research Centre, Western Australia Kinetics of chalcopyrite leaching in either ferric sulfate or cupric sulfate media in the presence of NaCl Tácia Veloso, Johne Peixoto, Michael Rodrigues and Versiane Albis Leão, Universidade Federal de Ouro Preto, Brazil Mineral QT s in place leaching, standard sector Hugo Letelier, Patricio Giménez, Carola González, Luis Zenteno and Carlos Castillo, El Teniente Division, Codelco, Chile Study steel dust leaching for the recovery of zinc and cadmium Ernesto de la Torre, Alicia Guevara and Cynthia Espinoza, National Polytechnic University, Ecuador Zinc recovery from electric-arc furnace dust by hydrochlorhic leaching and bi-electrolyte electrolysis José Ricaurte and Ernesto de la Torre, National Polytechnic University, Ecuador A step closer to the leaching of primary sulfides Guillermo Velarde, Sociedad Minera Cerro Verde S.A.A., Peru Controlling the irrigation flow in heap leach piles of El Soldado mine by canopy system with thermal camera Javier Ruiz-del-Solar, Omar Daud and Mauricio Correa, Advanced Mining Technology Center, Universidad de Chile; Marco Torres, El Soldado Division, Angloamerican, Chile Hydrothermal mineral replacement reactions and their applications in mining and processing Jing Zhao, Allan Pring, Joël Brugger, Fang Xia and Kan Li, University of Adelaide and Department of Mineralogy, South Australian Museum, Australia; Yung Ngothai, University of Adelaide, Australia Study of the recovery of silica from the zircon chemical treatment Part 1 Laura Rocha and Carlos Morais, Centro de Desenvolvimento da Tecnologia Nuclear/Comissão Nacional de Energia Nuclear CDTN/CNEN, Brazil Maboumine process: Example of a promising process for developing a polymetallic ore deposit Florent Delvallée, Valérie Weigel and Antoine Greco, ERAMET, France
2. Cyanidation, leaching and recovery of gold (6 presentations) A theoretical study of SART precipitate generation: Operational and safety impacts Humberto Estay, Pablo Carvajal, Karina González and Verónica Vásquez, Arcadis, Chile Development of a new technique to recover cyanide for gold mining using membranes contactors Humberto Estay, Laboratory of Membrane Separation Processes, University of Santiago de Chile and Arcadis, Chile; Miguel Ortiz and Julio Romero, Laboratory of Membrane Separation Processes, University of Santiago de Chile Leaching of sulphide gold ores using dithiooxamide, a non-cyanide solvent of low-toxicity Juan Pablo Serrano and Ernesto de la Torre, DEMEX/Facultad de Ingeniería Química/EPN, Ecuador Copper cyanocomplexes adsorption on activated carbon: Effects on the selectivity of gold dicyanide adsorption Clauson Souza, Virginia Ciminelli and Daniel Majuste, Department of Metallurgical and Materials Engineering, Federal University of Minas Gerais, Brazil and the National Institute of Science and Technology on Mineral Resources, Water and Biodiversity (INCT-Acqua), Brazil Cyanide leaching of copper-gold-silver ores Humberto Estay, Pablo Carvajal, Karina González, Héctor Yañez, Waldo Bustos, Sergio Castro and Francisco Arriagada, Arcadis, Chile Successful application of SART technology for gold-copper ore deposits Kresimir Ljubetic and Óscar López, BioteQ Water Chile SpA; David Kratochvil and Andrew Hall, BioteQ Environmental Technologies, Canada 3. Solvent extraction and ion exchange (6 presentations) Analysis phase separation profiles in copper extraction Patricio Navarro and Sebastián Jara, Universidad de Santiago de Chile Mo recovery process from high acidity solutions via solvent extraction using CYANEX 600 Mauricio Salamanca, Alejandro Quilodrán and Osvaldo Castro, Cytec Chile Limitada Use of NR reagents in presence of nitrate ion in SX: A revision of the present moment Rodrigo Zambra, Alejandro Quilodrán, Gonzalo Rivera and Osvaldo Castro, Cytec Chile Limitada Advantages and contributions of modifiers to copper extraction Rodrigo Zambra, Alejandro Quilodrán, Osvaldo Castro and Sara Pascuale, Cytec Chile Limitada Regeneration process for copper solvent extraction reagents Piritta Salonen and James Kabugo, Outotec Oy, Finland Metallurgical performance of small and medium size copper SX plants: Relevance of the SX reagent formulation Philippe Joly and Francisco Reyes, BASF Mining Solutions, Chile
4. Electrometallurgical processes and Electrochemistry (7 presentations) Electrochemistry of Enargite: Reactivity in alkaline solutions Nick Gow, FLSmidth, USA; Courtney Young and Hsin-Hsuing Huang, Montana Tech, USA and Greg Hope, Griffith University, Australia Effects of organic impurities on zinc electrowinning Daniel Majuste and Virginia Ciminelli, Universidade Federal de Minas Gerais, Brazil and INCT Acqua, National Institute of Science and Technology on Mineral Resources, Water and Biodiversity, Brazil; Eder Martins and Adelson de Sousa, Votorantim Metais Zinc, Brazil SELE Technology: An alternative to boosting current efficiency and cathode quality in EW plants Pedro Aylwin, Nicolás Lagos and Patricio Melani, New Tech Copper SpA, Chile Tankhouse parameters for transition from lead to alternative anodes Scot Sandoval, Casey Clayton, Ephrem Gebrehiwot and Jason Morgan, Freeport-McMoRan Copper & Gold Inc., USA CoolBar: A new intercell bar for electrolytic processes Gerardo Cifuentes and Rodolfo Mannheim, G2M Ingeniería Ltda., Chile Practical determination of galvanic corrosion of steel induced by mineral particles Genny Leinenweber and Luis Cáceres, CSIRO-Chile International Centre of Excellence in Mining and Mineral Processing, Department of Chemical Engineering, Universidad de Antofagasta, Chile MIRS Starter Sheet Robotic Stripping Machine (SSRSM) Luis Felipe Ramirez, Mining Industry Robotic Solutions, (MIRS), Chile 5. Bioleaching processes (5 presentations) Bioaccelerant: A new biotechnological product for bioleaching process optimization María de la Luz Osses, Matías Saavedra and Simón Beard, Biotecnologías Antofagasta S.A., Chile The effect of temperature on column bioleaching of secondary copper sulfide ores Michael Rodrigues, Klinger Lopes, Hamilton Leôncio, Tácia Veloso and Versiane Albis Leão, Universidade Federal de Ouro Preto, Brazil Leaching of copper oxide ore by in situ biological generation of sulphuric acid Debora Monteiro de Oliveira, Luis Sobral and Diogo de Oliveira Padrão, Centre for Mineral Technology, Brazil A real-time method for detecting active microorganisms in commercial-scale biohydrometallurgical processes Davor Cotoras and Pabla Viedma, Biohidrica, Biotecnologías del Agua Ltda., Chile Bioleaching of covellite from low grade copper sulfide ore and tails Víctor Zepeda, Pedro Galleguillos and Cecilia Demergasso, Universidad Católica del Norte and the Centro de Investigación Científica y Tecnológica para la Minería, Chile; Dina Cautivo, José Soto and Yasna Contador, Universidad Católica del Norte, Chile
6. Modelling and optimising hydrometallurgical operations and circuits (6 presentations) Implications of hydrodynamic testing for heap leach design Stefan Robertson, Mintek, South Africa; Amado Guzmán, HydroGeoSense, USA; Graeme Miller, Miller Metallurgical Services, Australia Dynamic model of copper recovery in heaps, Compañía Minera Doña Inés de Collahuasi Eduardo Flores, Juan Pablo Garcés and Christan Hu, Compañía Minera Doña Inés de Collahuasi, Chile; Jesús Casas, Process Consulting, Chile Dynamic simulator of ore preparation processes and leaching Francisco Reyes, Gabriel Tejeda, Pablo Karelovic and Aldo Cipriano, DICTUC S.A., Chile; Miguel Herrera, Universidad Adolfo Ibáñez, Chile; Fernando Romero, Solange Rojas and Cristian Salgado, Anglo American Chile DROP Project: Leaching process optimization for reducing water consumption in copper mining Ulrike Broschek, Jorge Lobos, Jorge Cornejo, Luis Bravo, Josué Lagos and Karien Volker, Fundación Chile Rheometallurgical process risk mitigation through engineering data generation Alex Mezei and Mike Ashbury, SGS Mineral Services, Canada Data mining for process analysis and development through historical data Gabriel Meruane, M. Irrazabal and Juan José Segura, SQM Industrial S.A., Chile 7. Hydrometallurgical processes for producing salt and non-metals compounds (2 presentations) Some improvements in Caliche heap leaching Javier Ordóñez and Silvia Valdez, Universidad de Antofagasta, Chile; Luis Moreno, Royal Institute of Technology, Sweden; Luis Cisternas, Centro de Investigación Científico Tecnológico para la Minería (CICITEM), Chile Innovation, research and development in the nitrates and Iodine operations at SQM Gabriel Meruane, Juan José Segura, M. Irrazabal and R. Vera, SQM Industrial S.A., Chile
PRESENTATIONS DISTRIBUTION Mining companies Compañía Minera Doña Inés de Collahuasi, Chile (1) El Soldado Division, Anglo American, Chile (1) El Teniente Division, Codelco, Chile (1) Fortune Minerals Limited, Canada (1) Freeport-McMoRan Copper & Gold Inc., USA (1) Manto Verde Division, Anglo American Norte, Chile (1) Anglo American Chile (1) New Tech Copper SpA, Chile (1) Sociedad Minera Cerro Verde S.A.A., Peru (2) SQM, Chile (2) Votorantim Metais Zinc, Brazil (1) Engineering and consulting companies Arcadis, Chile (2) Biohidrica, Biotecnologías del Agua Ltda., Chile (1) Biotecnologías Antofagasta S.A., Chile (1) De Re Metallica Ingeniería, Chile (1) DICTUC S.A., Chile Fundación Chile (1) G2M Ingeniería Ltda., Chile (1) Miller Metallurgical Services, Australia Mintek, South Africa (1) Process Consulting, Chile SGS Mineral Services, Canada (1) (13 presentations) (9 presentations) Universities and research centres (18 presentations) Centre for Mineral Technology CETEM, Brazil (1) Centro de Desenvolvimento da Tecnologia Nuclear, Brazil (1) Centro de Investigación Científico Tecnológico para la Minería (CICITEM), Chile CSIRO- International Centre of Excellence in Mining and Mineral Processing, Universidad de Antofagasta, Chile (1) CSIRO Minerals Down Under Flagship, Australian Minerals Research Centre, Western Australia Department of Mineralogy, South Australian Museum, Australia Eramet, France (1) Griffith University, Australia INCT Acqua, National Institute of Science and Technology on Mineral Resources, Water and Biodiversity, Brazil Montana Tech, USA (1) National Polytechnic University, Ecuador (3) Royal Institute of Technology, Sweden Universidad Adolfo Ibáñez, Chile Universidad Católica del Norte, Chile (2) Universidad de Antofagasta, Chile (2) Universidad de Chile Universidad de Santiago de Chile (2)
Universidade Federal de Minas Gerais, Brazil (1) Universidade Federal de Ouro Preto, Brazil (2) University of Adelaide, Australia (1) Supplier companies BASF Mining Solutions, Chile (1) BioteQ, Chile/Canada (1) Cytec, Chile (3) FLSmidth, USA (2) HydroGeoSense, USA Metneth20 Inc., Canada Mining Industry Robotic Solutions, (MIRS), Chile (1) Outotec Oy, Finland (1) Service Clean Technologies/CPMA, Center for Mineral Technology, Brazil (9 presentations)