Technical and Social Programme 6-8 July 2011. Sheraton Miramar Hotel & Convention Center, Viña del Mar, Chile Wednesday, 6 July 16:00-19:00 Registration, Foyer 18:00-18:30 Authors and Session Chair Coordination Meeting. José Francisco Vergara Ballroom A Inauguration Ceremony. José Francisco Vergara Ballroom B&C 19: 00-20:00 Words of Welcome Carlos Barahona, HYDROCOPPER 2011 Executive Director, Gecamin, Chile Jesús M. Casas, HYDROCOPPER 2011 Technical Coordinator, Universidad de Chile Opening Address Gustavo Tapia, HYDROCOPPER 2011 Chairman, Regional Manager of Metallurgy and Process, Barrick South America, Chile Keynote Address Operations Management at Minera Gaby, Codelco Claudio Olguín, General Manager, Minera Gaby, Codelco, Chile 20:00-22:00 Welcome Reception. Courtesy of ARCADIS. Foyer Thursday, 7 July Plenary Session 1. José Francisco Vergara Ballroom B&C Corby Anderson, Kroll Institute for Extractive Metallurgy, Colorado School of Mines, USA 08:20-08:30 Day 2 Programme Updates Jesús M. Casas, HYDROCOPPER 2011 Technical Coordinator, Universidad de Chile 08:30-09:15 Unlocking value in copper arsenic sulphide resources with copper-arsenic CESL technology Robert Bruce, Keith Mayhew and Robert Mean, Teck Resources Ltd. (CESL), Canada; Harald Kadereit, Adrian Heidel and Ole Wagner, Aurubis, Germany. Presented by Jennifer Defreyne, CESL, Teck Resources Ltd., Canada 09:15-10:00 The effects of pyrite inclusions, dissolved oxygen and ferric ions on chalcopyrite electrochemistry Daniel Majuste, André Leite, Maria Dantas and Virginia Ciminelli, Universidade Federal de Minas Gerais and National Institute of Science and Technology on Mineral Resources, Water and Biodiversity (INCT), Brazil; Kwadwo Osseo-Asare, Pennsylvania State University, USA 10:00-10:50 Poster Session and Coffee Break, José Francisco Vergara Ballroom A
José Francisco Vergara Ballroom B José Francisco Vergara Ballroom C Session 1: Hydrometallurgical processing of ores and copper concentrates Juan Carlos Salas, Antofagasta Minerals, Chile Session 2: Electrometallurgy David Robinson, CSIRO, Australia 10:50-11:10 An investigation into the leaching of enargite under atmospheric conditions Gabor Csicsovszki, Mark Gupta and John Peacey, Queen s University, Canada 11:10-11:30 Atmospheric leaching of enargite in acidic iron sulphate media in the presence of activated carbon Iman Ghanad and David Dixon, The University of British Columbia, Canada 11:30-11:50 Bioleaching of a chalcopyritic ore in columns Fernando Torres, Adriana Tua, Miguel Mas and Olga Regalado, Universidad Nacional de Catamarca, Argentina; Blanca Escobar, Universidad de Chile 11:50-12:10 An update on the NSC pressure oxidation of combined copper and molybdenum concentrates Corby Anderson, Kroll Institute for Extractive Metallurgy, Colorado School of Mines, USA; Todd Fayram, Continental Metallurgical Services, USA; Larry Twidwell, Montana Tech, USA 12:10-12:30 Copper leach from black copper minerals María C. Hernández, Óscar Benavente, Evelyn Melo and Damián Núñez, Universidad Católica del Norte, Chile; Yuri Zepeda, Cía. Minera Xstrata Lomas Bayas, Chile 10:50-11:10 Use of real-time systems for producing optimal cathode quality in copper electrowinning Ari Rantala and Martti Larinkari, Outotec Oy, Finland; Tirso Meneses, Outotec Chile 11:10-11:30 Advances in the manufacturing of lead based anodes for electrowinning Abbas Mirza, Timothy Ellis and Matt Burr, RSR Anode Group/RSR Technologies, USA 11:30-11:50 Equipment for determining the acid mist index in copper EW plants Alejandro Forner, 3M Chile; Rodrigo Duarte, IMASERV, Incuba2 UCN, Chile; Claudio Acuña, Universidad Católica del Norte, Chile 11:50-12:10 Recovery of sulphuric acid from liquid effluents by electro dialysis Juan Patricio Ibáñez and Ana Vásquez, Universidad Técnica Federico Santa María, Chile 12:10-12:30 Performances of mechanical barriers in reducing acid mist Reza Al Shakarji and Yinghe He, James Cook University, Australia; Simon Gregory, Xstrata Technology, Australia 12:30-14:00 Lunch, María Luisa Bombal Ballroom
José Francisco Vergara Ballroom B José Francisco Vergara Ballroom C Session 3: Innovations in hydrometallurgy Eduardo Patiño, BHP Billiton, Chile Session 4: Leaching applications María Elisa Taboada, CICITEM, Universidad de Antofagasta, Chile 14:00-14:20 Transpassive electrochemical dissolution of chalcopyrite Berny Rivera-Vasquez, SNC-Lavalin, Canada; David Dixon, The University of British Columbia, Canada; Gonzalo Viramontes- Gamboa and Laura Ibarra-Bracamontes, Universidad Michoacana de San Nicolás de Hidalgo, Mexico 14:20-14:40 Copper extraction from electronic scraps by an oxidative acid leaching process Fábio dos Santos, Carlos de Souza, Rafael Peixoto and Priscila da Rocha, Centre for Mineral Technology (CETEM), Brazil 14:40-15:00 Extraction and characterisation of Extracellular Polymeric Substances (EPS) of mixed cultures of acidophilic bacteria Jaime Tapia, Universidad Arturo Prat, Chile; Jesús Muñoz, Felisa González, María Blázquez and Antonio Ballester, Universidad Complutense, Spain 15:00-15:20 Synthesis of copper oxy-chloride and iron oxide pigments using leachate from bioleaching of a copper sulphide mineral flotation concentrate Carlos de Souza, Luis Sobral, Débora de Oliveira, Paula do Nascimento and Gabriel Peixoto, Centre for Mineral Technology (CETEM), Brazil 15:20-15:40 Moving from single species to multispecies sorption: Insights from mining waste simulations Thomas Borrmann, Mathew Cairns, Martin Klimsa, Giancarlo Barassi and James Johnston, Victoria University of Wellington, New Zealand; Fernando Valenzuela, Universidad de Chile; Joachim Kinkel, Georg-Simon-Ohm University of Applied Sciences, Germany 14:00-14:20 The influence of a biological surface agent in the bio-extraction of copper from sulphide minerals Débora Oliveira, Luis Sobral, Carlos de Souza and Gabriel Peixoto, Centre for Mineral Technology (CETEM), Brazil; Eliana Sérvulo, Federal University of Rio de Janeiro, Brazil 14:20-14:40 Chalcopyrite heap leaching: An evaluation of its current status and potential future viability John Peacey, James Schaming and Gabor Csicsovszki, Queen s University, Canada 14:40-15:00 A rapid and simple method for detection of active acidophilic microorganisms in copper bioleaching processes Davor Cotoras and Pabla Viedma, BIOHIDRICA Biotecnologías del Agua Ltda., Chile 15:00-15:20 Oxide ore dynamic heap leaching project at Minera Escondida, Chile Oscar Ferrada and Enrique Becerra, Minera Escondida Ltda., BHP Billiton, Chile 15:20-15:40 Copper and zinc recoveries and arsenic stabilisation from copper smelter flue dusts Alejandro Morales, Universidad Católica del Norte, Chile; Montserrat Cruells, Antonio Roca, Alba Sunyer and Joan Viñals, Universidad de Barcelona, Spain 15:40-16:20 Poster Session and Coffee Break, José Francisco Vergara Ballroom A
José Francisco Vergara Ballroom B José Francisco Vergara Ballroom C Session 5: Water in hydrometallurgical operations Gonzalo Viramontes, Universidad Michoacana de San Nicolás de Hidalgo, Mexico Session 6: Industrial applications and case studies Marcelo Jo, Xstrata Copper, Chile 16:20-16:40 Dynamic water balance in a hydrometallurgical plant Rudi Fester, Julio Rosales and Vanessa Yáñez, AMEC International Ingeniería y Construcción, Chile 16:40-17:00 Marginal Abatement Cost Curves (MACC) as a strategic tool in the mining industry Luis Perera, Mathieu Vallart, Renato Loaiza and Joerg Haeusgen, PricewaterhouseCoopers, Chile 17:00-17:20 Reducing water evaporation losses in mineral processes Luis Cáceres, Teófilo Graber and María Elisa Taboada, Universidad de Antofagasta, Chile; Yuri Zepeda, Cía. Minera Xstrata Lomas Bayas, Chile 17:20-17:40 Water consumption in copper mining: Current status and projections Rossana Brantes, Comisión Chilena del Cobre (Cochilco), Chile 17:40-18:00 Minera Zaldívar implements wireless instrumentation system in leach pads with Emerson Process Management Hugo Barrientos, Emerson Process Management, Chile; Christian Caciavillani, Emerson Process Management Southern Cone, Argentina 16:20-16:40 Optimisation of control system for solvent extraction and electrowinning processes Adrian Del Carpio and Juan Amado, Southern Peru Copper Corporation, Peru 16:40-17:00 Mineral processing of oxidised low grade copper at Antucoya project, Chile Pablo Schmidt and José Aldana, Antofagasta Minerals, Chile 17:00-17:20 LateralFlow: A concept to control acid mist, organic removal, height of deposition and other benefits for EW cells Fernando Penna, Cristián Villaseca and Rodrigo Villarroel, TecnoComposites, Chile 17:20-17:40 Energy-efficient autoclave feeding at low wear Heinz Nägel, FELUWA Pumpen GmbH, Germany. Presented by Stefan Willems, FELUWA Pumpen GmbH, Germany 17:40-18:00 Study of alternatives for industrial residues generated in the process of hydrometallurgical plant of Carajás Emanuel Soares, Tobías Cabral, Francisco Evaldo da Silva and Vivian Inácio, Vale, Brazil; Janaina Palma, Arcadis Tetraplan, Brazil 18:00-18:20 Geohydrometallurgical model : The new code for business planning Mark Thomas, Gonzalo Mendoza, Puru Shrestha, Jorge Picarte and Eduardo Patiño, BHP Billiton Pampa Norte, Cerro Colorado/Spence, Chile 18:20-22:00 Cocktail and Seminar Dinner, María Luisa Bombal Ballroom The dinner programme will include a performance by Silvia Lobo
Friday, 8 July Plenary Session 2. José Francisco Vergara Ballroom B&C Gustavo Tapia, Barrick South America, Chile 08:20-08:30 Day 3 Programme Updates, Jesús M. Casas, HYDROCOPPER 2011 Technical Coordinator, Universidad de Chile 08:30-09:15 Tracers: Powerful diagnosis tool in hydrometallurgical operations Jorge Menacho and Boris Merino, De Re Metallica Ingeniería Ltda., Chile; Francisco Díaz, Chilean Nuclear Energy Commission, Chile 09:15-10:00 Acorga extraction reagents booster concept: A quick method to optimise existing organic inventories Edgar Ricce, Alexis Soto and Osvaldo Castro, Cytec Industries Inc., Chile; Owen Tinkler, Cytec Industries Inc., South Africa 10:00-10:50 Poster Session and Coffee Break, José Francisco Vergara Ballroom A Session 7: Solvent extraction Jorge Menacho, De Re Metallica Ingeniería Ltda., Chile José Francisco Vergara Ballroom B&C 10:50-11:10 Modelling of solvent extraction of copper from sulphate solutions with D2EHPA Clenilson Sousa Junior, Federal Institute of Education, Science and Technology of Rio de Janeiro, Brazil; Marisa Nascimento, Centre for Mineral Technology (CETEM), Brazil; Lídia Yokoyama and Osvaldo Caldas da Cunha, Federal University of Rio de Janeiro, Brazil 11:10-11:30 An evaluation of mixer efficiency and reagent consumption in copper solvent extraction operations Alexis Soto and Osvaldo Castro, Cytec Industries Inc., Chile; Troy Bednarski and Matthew Soderstrom, Cytec Industries Inc., USA 11:30-11:50 The effect of modifier properties on the performance of copper solvent extraction reagents Andrew Nisbett and Jack Bender, Cognis Mining Chemicals Technology, USA; Gary Kordosky, Consultant, USA 11:50-12:10 A kinetic study of copper solvent extraction with LIX 984N using a Lewis cell Wensheng Zhang, Fuping Hao, Yoko Pranolo, Chu Yong Cheng and David Robinson, CSIRO Process Science and Engineering, Australia 12:10-12:30 Solutions to maintain production levels under low copper content conditions Igor Polski, IGAL Tecnología Ltda., Chile
12:30-12:45 Seminar Balance and Final Comments Closing Ceremony Carlos Barahona, HYDROCOPPER 2011 Executive Director, Gecamin, Chile Jesús M. Casas, HYDROCOPPER 2011 Technical Coordinator, Universidad de Chile Gustavo Tapia, HYDROCOPPER 2011 Chairman, Regional Manager of Metallurgy and Process, Barrick South America, Chile 12:45-14:30 Farewell Lunch, María Luisa Bombal Ballroom The lunch will include a raffle of premium Chilean wines Leaching tests for copper ore oxide parameters determination Ana Rosa Rabelo de Lima, Universidade Federal do Pará, Brazil Poster Presentations Thiosulfate as an alternative gold leaching with cupric ion catalyzed from refractory concentrate Pablo Cifuentes, Universidad de Santiago de Chile Bioleaching of a chalcopyritic ore in columns Fernando Torres, Adriana Tua, Miguel Mas and Olga Regalado, Universidad Nacional de Catamarca, Argentina; Blanca Escobar, Universidad de Chile Mineral processing of oxidised low grade copper at Antucoya project, Chile Pablo Schmidt and José Aldana, Antofagasta Minerals, Chile A rapid and simple method for detection of active acidophilic microorganisms in copper bioleaching processes Davor Cotoras and Pabla Viedma, BIOHIDRICA Biotecnologías del Agua Ltda., Chile A kinetic study of copper solvent extraction with LIX 984N using a Lewis cell Wensheng Zhang, Fuping Hao, Yoko Pranolo, Chu Yong Cheng and David Robinson, CSIRO Process Science and Engineering, Australia The influence of indigenous microorganisms in the oxidation of copper sulphide minerals in a flotation concentrate Renata Lima and Selma Leite, Federal University of Rio de Janeiro, Brazil; Isabella Amaral and Luis Sobral, Centre for Mineral Technology (CETEM), Brazil Recovery of sulphuric acid from liquid effluents by electro dialysis Juan Patricio Ibáñez and Ana Vásquez, Universidad Técnica Federico Santa María, Chile