List of Approved Abstracts (Total abstracts approved: 50)

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1 List of Approved Abstracts (Total abstracts approved: 50) Countries (15): Argentina, Australia, Brazil, Canada, Cuba, Chile, Finland, Germany, Iran, Mexico, New Zealand, Peru, Spain, South Africa and USA. I. Hydrometallurgical Processing of Low Grade Oxide, Sulphide Ore and Copper Concentrates (13) (4) An investigation into the leaching of enargite under atmospheric conditions Gabor Csicsovszki, post doctoral fellow; Mark Gupta, professor and John Peacey, professor, Queen s University, Canada (6) Effects of ore mineralogy on the microbial leaching of low grade copper ore with thermophilic culture Hojat Naderi, student; M. Abdollahy and Mohammad Javad Koleini, academic, Tarbiat Modares University, Iran; Jochen Petersen, researcher, University of Cape Town, South Africa; N. Mostoufi, University of Tehran, Iran; S.A. Shojaosadati, Tarbiat Modares University, Iran; Z. Manafi, Sarcheshmeh Copper Complex, Iran (7) The effects of pyrite inclusions, dissolved oxygen, and ferric ion on chalcopyrite electrochemistry Daniel Majuste, student; André Leite, Undergraduate Student; Maria Dantas, Visiting Professor and Virginia Ciminelli, professor, Universidade Federal de Minas Gerais and National Institute of Science and Technology on Mineral Resources, Water and Biodiversity (INCT), Brazil; Kwadwo Osseo-Asare, professor, Pennsylvania State University, USA (8) Enargite leaching using the Galvanox process Linus Sylwestrzak, principal engineer and Bert Van Hege, Bateman Engineering, Australia; David Dixon, professor, University of British Columbia, Canada (9) Atmospheric leaching of enargite in acidic iron sulphate media in the presence of activated carbon Iman Ghanad, student and David Dixon, professor, The University of British Columbia, Canada (15) Bioleaching of a chalcopyritic ore in columns Fernando Torres, adjunct professor; Adriana Tua, chief practical work; Miguel Mas, professor and Olga Regalado, adjunct professor, Universidad Nacional de Catamarca, Argentina; Blanca Escobar, professor, Universidad de Chile (18) Tailings benefit by acid leaching from El Cobre flotation plant Emilio Montejo, Head of Technology Research Department, Centro de Investigaciones para la Industria Minero Metalúrgica (CIPIMM), Cuba (24) Copper and zinc recovery and arsenic stabilization from copper smelter flue dusts Alejandro Morales, Department of Metallurgical Engineering Director, Universidad Católica del Norte, Chile; Montserrat Cruells, professor; Antonio Roca, professor; Alba Sunyer, Graduated Student and Joan Viñals, professor, Universidad de Barcelona, Spain (25) An update on the NSC pressure oxidation of combined copper and molybdenum concentrates Corby Anderson, professor, Allihies Engineering Incorporated, USA

2 (27) Leaching of a chalcopyrite concentrate in sulphate-chloride media at ambient pressure Maria C. Ruiz, academic; Kelly Montes, student and Rafael Padilla, academic, University of Concepción, Chile (28) The influence of indigenous microorganisms in the oxidation of copper sulphide minerals in a flotation concentrate Renata Lima, student and Selma Leite, professor, Federal University of Rio de Janeiro, Brazil; Isabella Amaral, researcher and Luis Sobral, researcher, Centre for Mineral Technology (CETEM), Brazil (41) Copper leach from black copper minerals María Hernández, academic; Oscar Benavente, Chief of Race of Metallurgical Engineering; E. Melo and D. Núñez, Universidad Católica del Norte; Y. Zepeda, Lomas Bayas Mining Company, Xstrata Copper, Chile (52) Unlocking value in copper arsenic sulphide resources with the Copper Arsenic CESL Technology Robert Bruce, Keith Mayhew and Robert Mean, Teck Resources Limited (CESL Limited), Canada; Harald Kadereit, Adrian Nagy and Ole Wagner, Aurubis, Germany II. Innovations and Best Operating Practices (8) (3) Copper extraction from electronic scraps by oxidative acid leaching process Fábio Silva dos Santos, researcher; Carlos Gomes de Souza, researcher; Rafael Costa Peixoto, graduate student and Priscila Martins da Rocha, graduate student, Centre for Mineral Technology (CETEM), Brazil (5) Extraction and characterization of extracellular polymeric substances (EPS) of mixed cultures of acidophilic bacteria Jaime Tapia, profesor, Universidad Arturo Prat, Chile; Jesús Muñoz, profesor; Felisa González, profesor; María Blázquez, professor and Antonio Ballester, profesor, Universidad Complutense, Spain (10) Synthesis of copper oxy-chloride and iron oxide pigments using leachate from bioleaching of a copper sulphide minerals flotation concentrate Carlos Gomes de Souza, Metallurgical and Environmental Process Coordinator; Luis dos Santos Sobral, researcher; Débora de Oliveira, biologist; Paula Cabral do Nascimento, graduate student and Gabriel Costa Peixoto, graduate student, Centre for Mineral Technology (CETEM), Brazil (14) Copper extraction from electronic scraps by electrochemical leaching process Carlos Gomes de Souza, Metallurgical and Environmental Process Coordinator; Fábio Silva dos Santos, researcher; Priscila da Rocha, graduate student and Rafael Costa Peixoto, graduate student, Centre for Mineral Technology (CETEM), Brazil (30) Effect of active carbon addition on the conventional and electrochemical bioleaching of chalcopyrite concentrates Ali Ahmadi, student; Mohammad Ranjbar, associated professor and Mahin Schaffie, Shahid Bahonar University, Iran (32) Transpassive electrochemical dissolution of CuFeS 2 Berny Rivera-Vasquez, SNC-Lavalin, Canada; David Dixon, professor, University of British Columbia, Canada; Gonzalo Viramontes-Gamboa, Universidad Michoacana de San Nicolás de Hidalgo, México

3 (38) A novel hydrometallurgical process for high purity copper oxide salts using a hydrothermal reaction in an ammoniacal solution María Gálvez, professor and José Hevia, professor, Universidad Católica del Norte, Chile (46) Effects of gangue elements on ferrous iron biooxidation related copper bioleaching Isabel Braga Rodrigues, Lázaro Chaves Sicupira, Tácia Costa Veloso and Versiane Albis Leão, professor, Federal University of Ouro Preto, Brazil III. Agglomeration, Heap and Dump Leaching (4) (13) The influence of biological surface agent in the bio-extraction of copper from sulphide minerals Débora de Oliveira, biologist; Luis dos Santos Sobral, researcher and Gabriel Costa Peixoto, graduate student, Centre for Mineral Technology (CETEM), Brazil; Eliana Camporese Sérvulo, researcher, Federal University of Rio de Janeiro, Brazil (17) Chalcopyrite heap leaching: an evaluation of its current status and potential future viability John Peacey, professor; James Schaming, student and Gabor Csicsovszki, Post Doctoral Fellow, Queen s University, Canada (26) A rapid and simple method for detection of active acidophilic microorganisms in copper bioleaching processes Davor Cotoras, academic and Pabla Viedma, academic, Biohidrica, Biotecnologías del Agua Ltda., Chile (35) New conceptual design in irrigation network and operation in leach pad Percy Mayta, Metallurgical Manager and Capital Projects, Gold Fields La Cima S.A.A., Peru IV. Solvent Extraction and Electrowinning (10) (1) Modeling of solvent extraction of copper from sulphate solutions with D2EHPA Clenilson da Silva Sousa Junior, professor, Federal Institute of Education, Science and Technology of Rio de Janeiro, Brazil; Marisa Nascimento, researcher, Centre for Mineral Technology (CETEM), Brazil; Osvaldo Caldas da Cunha, director and professor, School of Chemistry, Federal University of Rio de Janeiro, Brazil (11) Equipment for determining the acid mist index in copper EW plants Alejandro Forner, sales engineer, 3M Chile S.A, Chile (22) Technological options in copper electrorefining Carlos Reyes, process consultant, AMEC International Ingeniería y Construcción Ltda. Chile (23) Lateralflow: a concept to control acid mist, organic removal, height of deposition and other benefits for EW cells Fernando Penna, general manager; Cristián Villaseca, president and Rodrigo Villarroel, commercial manager, Tecnocomposites S.A., Chile (39) An Evaluation of mixer efficiency and reagent consumption in copper solvent extraction operations Alexis Soto, Applied Engineering Technology and Osvaldo Castro, Sales Director MEP Latin America, Cytec Industries Inc., Chile; Troy Bednarski and Matthew Soderstrom, technical manager, Cytec Industries Inc., USA

4 (40) Acorga Booster concept: a quick method to optimize existing organic inventories Edgar Ricce, Alexis Soto, Applied Engineering Technology and Osvaldo Castro, Sales Director MEP Latin America, Cytec Industries Inc., Chile; Owen Tinkler, regional manager, Cytec Industries Inc., South Africa (42) Advances in the manufacturing of lead (Pb) based anodes for electrowinning Timothy Ellis, vice president of research and development; Abbas Mirza, senior process engineer and Matt Burr, RSR Anode Group/RSR Technologies, USA (48) 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 (49) A Study of Copper Extraction Kinetics with LIX 984N using a Lewis Cell Wensheng Zhang, Fuping Hao, Yoko Pranolo, Chu Yong Cheng and David Robinson, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia (50) Solutions to maintain production levels under "low copper contents" conditions Igor Polski, IGAL Tecnología Ltda. Chile V. Solutions Treatment and Heap Closing (4) (31) Moving from single species to multispecies sorption insights from mining waste simulations Thomas Borrmann, technical support manager; Mathew Cairns, student; Martin Klimsa, student; Giancarlo Barassi, researcher and James Johnston, professor in chemistry, Victoria University of Wellington, New Zealand; Fernando Valenzuela, professor, Universidad de Chile; Joachim Kinkel, professor, Georg-Simon-Ohm University of Applied Sciences, Germany (33) Interaction forces between colloids materials and mineral particles in porous media: a conceptual study and applications Miguel Herrera, Director of Environmental Metallurgy, Centro de Investigación Minera y Metalúrgica (CIMM), Chile (34) Interaction energy in colloids and its impact in rheological modeling of liquid solutions in hydrometallurgy Miguel Herrera, Director of Environmental Metallurgy, Centro de Investigación Minera y Metalúrgica (CIMM), Chile (36) Recovery of sulfuric acid by electro dialysis from extractive liquid effluents Juan Patricio Ibáñez, academic and Ana Vásquez, student, Universidad Técnica Federico Santa María, Chile VI. Modelling, Instrumentation and Automation (5) (2) The use of advanced simulation software for the development of the virtual process plant Michael Nees, process manager hydrometallurgy and Thomas Gamarano, senior simulation engineer, Newmont Mining Corp., USA (12) Curing kinetics modeling of copper minerals Abrahan Barriga, student and David Dixon, professor, University of British Columbia, Canada (29) Sistema de puente rotopalas y puentes apiladores de material operados por telecomando René Galleguillos, maintenance engineer and Pablo Carvajal, head of unit, Codelco Chile División Norte, Chile

5 (43) Online analyzer for acid mist concentration in electrowinning copper refineries Claudio Acuña, academic and María-Gloria Gajardo, Universidad Católica del Norte, Chile; Alejandro Forner, sales engineer, 3M Chile S.A, Chile; Rodrigo Duarte, Imaserv, Spa (45) Use of real-time systems for producing optimal cathode quality in copper electro-winning Ari Rantala, product manager and Martti Larinkari, application engineer, Outotec Oy, Finland; Tirso Meneses, senior process engineer, Outotec Chile VII. New Projects and Plant Expansions (2) (16) Processing oxidized low grade copper, Antucoya project, Chile Claudio Campos, project manager Antucoya and José Aldana, senior process engineer, Antofagasta Minerals S.A., Chile (47) Manuelito Project, Low Grade IOCG Ore Ivan Raylyan, Orlando Álvarez and Rodrigo Calderón, Inversiones Terra Technologies, Chile and Carlos García, Consultor GyG, Chile VIII. Industrial Case Studies (4) (20) SHL a new system for ore heap leaching Jesús Casas, professor, Universidad de Chile and José Hernández, consultant, Xpert Ingeniería y Prod. S.A., Chile (21) Water balance in a hydrometallurgical plant Rudi Fester, senior process engineer; Julio Rosales, senior process engineer and Vanessa Yáñez, process engineer, AMEC International Ingeniería y Construcción Ltda. Chile (37) Marginal abatement cost curves for cost-effective watermanagement Joerg Haeusgen, senior consultant, PricewaterhouseCoopers, PwC, Chile (44) Curado a muerte: Un nuevo escenario en la lixiviación de minerales Mark Thomas, geometallurgy superintendent; Héctor Silva and Eduardo Patiño, research and development superintendent, BHPBilliton, Chile; Luis Luengo, metallurgical testing coordinator, Minera Spence, Chile Mining Companies (8) - Newmont Mining Corp. - Antofagasta Minerals - Codelco Chile División Norte - Gold Fields La Cima S.A.A. - Minera Spence - BHP Billiton - Lomas Bayas Mining Company, Xstrata Copper - Teck Resources Limited (CESL Limited)

6 Engineering and Consulting Companies (9) - Bateman Engineering - Xpert Ingeniería y Prod. S.A. - AMEC International Ingeniería y Construcción Ltda. - Allihies Engineering Incorporate - Biotecnologías del Agua Ltda. - Inversiones Terra Technologies - GYG Consultores - IMASERV - IGAL Tecnología Ltda. Equipment Suppliers (9) - 3M - Tecnocomposites - SNC-Lavalin - PricewaterhouseCoopers - Cytec - Cognis Mining Chemicals Technology - RSR Technologies - Outotec - Aurubis Universities and Research Centres (27) - Federal Institute of Education, Science and Technology - CETEM - Commonwealth Scientific and Industrial Research Organisation (CSIRO) - Queen s University - Universidad Arturo Prat - Universidad Complutense - Tarbiat Modares University - Universidade Federal de Minas Gerais - University of British Columbia - Universidad Nacional de Catamarca - Universidad Michoacana de San Nicolás de Hidalgo - CIPIMM - Universidad Católica del Norte - University of Concepción - Universidad de Chile - Federal University of Rio de Janeiro - Shahid Bahonar University - Victoria University of Wellington - Centro de Investigación Minera y Metalúrgica, CIMM - Universidad Técnica Federico Santa María - Federal University of Ouro Preto - Georg-Simon-Ohm University of Applied Sciences - Research & Development Center, Sarcheshmeh Copper Complex - The Pennsylvania State University - Universidad de Barcelona - University of Cape Town - University of Teheran