Conferences

 

International Conferences
  • L. Voisin, V. Montenegro, G. Damm and K. Mühlenbrock “Novel process using pig-iron for treating complex impurity-rich copper matte and copper scrap at 1473 K”, International Conf. of Metallurgists, COM 2015, Toronto, Canada, Aug. 23er-26th, 2015.
  • L. Voisin, W. Kracht and N. Guarda “Study of copper recovery from smelting slag by flotation, and energy consumption, as an alternative to the use of cleaning furnaces”, International Conf. of Metallurgists, COM 2015, Toronto, Canada, Aug. 23er-26th, 2015.
  • L. Voisin, J. Merrill, V. Montenegro and A. McFarlane “Application of the hylogger3 to the characterization of mineral and metallurgical residues”, 37th International Symposium APCOM, Fairbanks, Alaska, May. 23rd – 27th, 2015.
  • V. Montenegro, N. Urrutia, L. Voisin and A. McFarlane “Achievements from application of the hylogger3 to the mining industry in Chile”, 37th International Symposium APCOM, Fairbanks, Alaska, May. 23rd – 27th, 2015.
  • G. Jeldres, L. Voisin, V. Montenegro and A. McFarlane “Geo-metallurgical predictive model of molten slag behaviour as a function of clays contained into copper concentrates” Conference of Geosciences, La Habana, Cuba, May 04th – 08th, 2015.
  • G. Damm and L. Voisin “Novel treating of complex impurity-rich-copper matte by using pig-iron carburization at 1473 K”, International Conference of Metallurgist, COM 2014, Vancouver, Canada, September 28th – October 01st, 2014.
  • K. Mühlenbrock and L. Voisin “New Process for treating complex lead-rich-copper matte and copper scrap by using pig-iron carburization at 1473 K”, International Conference of Metallurgist, COM 2014, Vancouver, Canada, September 28th – October 01st, 2014.
  • L. Voisin, J. Diaz and H. Rojas “Impurity Behaviour During the Continuous Converting of Copper Matte in Packed Bed Reactor”, Copper International Conference, Santiago, Chile, December 1-4, 2013.
  • J. Diaz, L. Voisin and D. Smith “Oxidation Kinetic of Copper Matte During the Continuous Converting Process in Packed Bed Reactor”, Copper International Conference, Santiago, Chile, December 1-4, 2013.
  • L. Voisin and F. Mansilla “Modeling of a Continuous Copper Refining Packed Bed Furnace During the Reduction Stage”, Copper International Conference, Santiago, Chile, December 1-4, 2013.
  • A.Warczok, G. Riveros and L. Voisin “Phenomenology of Copper Matte Continuous Converting in Packed Bed Reactor”, Copper International Conference, Santiago, Chile, December 1-4, 2013.
  • G. Damm and L.Voisin “Phase relations and Minor Elements Distribution in Cu-Fe-Pb-As system Saturated with Carbon at 1473 K”, Copper International Conference, Santiago, Chile, December 1-4, 2013.
  • K. Mühlenbrock and L. Voisin, “Phase relations and Minor Elements Distribution in Cu-Fe-Pb-Sb system Saturated with Carbon at 1473 K”, Copper International Conference, Santiago, Chile, December 1-4, 2013.
  • E. Marambio and L. Voisin, “Thermo-Fluid-Dynamics Modeling for Continuous Converting Process of Copper Matte in Packed Bed Reactor: First Approach”, Copper International Conference, Santiago, Chile, December 1-4, 2013.
  • Leandro Voisin New Challenges and Technologies for the Pyrometallurgy of Copper in Chile”. Todai Forum International Workshop, Santiago, Chile, November 6, 2013.
  • Leandro Voisin New Strategies for the Treatment of Copper Concentrates with High Arsenic Content in Chile”. International Workshop on Control of the Environmental Load Elements in Non-ferrous Industry, Tokyo, Japan, November 7-10, 2012.
  • Leandro Voisin “Chile, A World of Mining Opportunities”. Recent Advances in Resources Science and Technology to Sustain Japan, 3rd Annual International Conference, Tokyo, Japan, March 6, 2012.
  • Leandro Voisin, Makoto Ohtsuka and Takashi Nakamura, “Titanium Doped ITO Thin Films Produced by Combinatorial Sputtering Method”. ICCE 17, 17th Annual International Conference on Composites or Nano Engineering, Hawaii, USA, July 26-31, 2009.
  • Warczok, and G. Riveros, “Continuous fire refining of blister copper”. In Prodeedings of the VIII International Conference on Molten Slags, Fluxes and Salts, Molten 2009, Santiago, Chile, p. 1193-1202, 2009.
  • Warczok, G. Riveros, J. Vargas, R. Saez, and A. Tapia, “Continuous converting of copper matte in packed bed reactor”. In Proceedings of International Peirce-Smith Converting Centennial, TMS 2009, San Francisco, California, USA, p. 315-320, 2009.
  • Warczok, J. Font, V. Montenegro, C. Caballero, and A. Moyano, “Mechanism of buildup formation in an electric furnace for copper slag cleaning”. In Prodeedings of the VIII International Conference on Molten Slags, Fluxes and Salts, Molten 2009, Santiago, Chile, p. 1211-1219, 2009.
  • Caballero, A. Moyano, F. Rojas, J. Font, and A. Warczok, “Efficiency of copper recovery from a slag in the large electric furnace”. In Prodeedings of the VIII International Conference on Molten Slags, Fluxes and Salts, Molten 2009, Santiago, Chile, p.1222-1230, 2009.
  • Ramirez, P. Ruz, G. Riveros, A. Warczok, and R. Treimer, “Chrome-magnesite refractory corrosion with olivine slag of high cuprous oxide content”. In Proceedings of International Peirce-Smith Converting Centennial, TMS 2009, San Francisco, California, USA, p. 71-80, 2009.
  • Riveros, A. Warczok, D. Smith, and A. Balocchi, “Advantages of continuous copper fire refining in a packed bed”. In Proceedings of International Peirce-Smith Converting Centennial, TMS 2009, San Francisco, California, USA, p. 339-348, 2009.
  • Cabrera, G. Riveros, and A. Warczok, “Viscosity of alummino-olivine slags”. In Prodeedings of the VIII International Conference on Molten Slags, Fluxes and Salts, Molten 2009, Santiago, Chile, p. 1183-1191, 2009.
  • Montenegro, A. Warczok, and G. Riveros, “Factors determining the rate of magnetite reduction in a liquid slag by graphite electrodes”. In Prodeedings of the VIII International Conference on Molten Slags, Fluxes and Salts, Molten 2009, Santiago, Chile, p. 823-831, 2009.
  • Leandro Voisin, Makoto Ohtsuka and Takashi Nakamura, “Development of Technology for Reducing Indium Usage in a Transparent Conducting Electrode by Sputtering Method”. NEDO, fall meeting, Tokyo, Japan, October 22-24, 2008.
  • Makoto Ohtsuka, Leandro Voisin and Takashi Nakamura, “Preparation of Ti Doped ITO Films by Combinatorial Sputtering Method”. MMIJ, Shigen to Sozai, fall meeting, Sendai, Japan, October 07-10, 2008.
  • Leandro Voisin, Takahiko Okura and Kimio Itagaki, “Arsenic and Antimony Elimination from Iron Base Complex Materials by Using Pig Iron”. Processing Materials for Properties, PMP III, Bangkok, Thailand, December 07-10, 2008.
  • Leandro Voisin, Takahiko Okura and Kimio Itagaki, “Phase Relations, Activities and Precious Metals Distribution in the Cu-Fe-S-Sb System Saturated with Carbon at 1473 K”. MMIJ, Shigen to Sozai, fall meeting, Nagoya, Japan, September 25-27, 2007.
  • Leandro Voisin and Kimio Itagaki, “Phase Relations and Precious Metals Distribution in the Cu-Fe-S-As and Cu-Fe-S-Sb Systems Saturated with Carbon at 1473 K”. Copper 2007, Toronto, Ontario, Canada, 2007.
  • K. Yamaguchi, D.G. Mendoza, L. Voisin and Kimio Itagaki, “Phase Relations and Activities of Arsenic and Antimony in the Cu-O-As and Cu-O-Sb Systems at 1523 K “. Copper 2007, Toronto, Ontario, Canada, 2007.
  • Font, A. Warczok, A. Moyano, C. Caballero, and K. Itagaki. “Thermodynamic assessment of arsenic in the slag cleaning electric furnace”. In: Proceedings of Copper 2007 International Conference. A.E.M. Warner, C.J. Newman, A. Vahed,D.B. George, P.J. Mackey, A.Warczok (eds.), TMS, Toronto, Vol. III, p. 327-340, 2007.
  • Warczok, J. Liu, A. Vahed, D. Hall, and L. Molino. “Develop calcium carbide reductant for Inco multi-purpose vessels”. In: Proceedings of Copper 2007 International Conference. A.E.M. Warner, C.J. Newman, A. Vahed, D.B. George, P.J. Mackey, A.Warczok (eds.), TMS, Toronto, Vol. III, p. 125-138, 2007.
  • Marin, and T. Utigard. “Experimental study for deoxidation of liquid copper with substoichimetric O2/CH4 flames”. In: Proceedings of Copper 2007 International Conference. A.E.M. Warner, C.J. Newman, A. Vahed, D.B. George, P.J. Mackey, A.Warczok (eds.), TMS, Toronto, Vol. III, p. 715-729, 2007.
  • Marín, G. Riveros, A. Warczok, T. Utigard and S. Jara, “Roasting kinetics of molybdenite concentrates” Copper 2007, Vol III-Pyrometallurgy of Copper (Book 2, Edited by A. Warner, C. Newman, A. Vahed, D. B. George, P.J. Mackey and A. Warczok.), Toronto, Canada, August 2007, 201 – 217, 2007.
  • Warczok, G. Riveros, T, Marin, R. Degel , J. Kunze, H. Oterdoom, and T. Wuebbelf, “Intensive electrodynamic slag cleaning” Copper 2007, Vol III-Pyrometallurgy of Copper (Book 2, Edited by A. Warner, C. Newman, A. Vahed, D. B. George, P.J.Mackey and A.Warczok.), Toronto, Canada, 351 – 366, 2007.
  • Warczok, G. Riveros, R. Degel, J. Kunze and H. Oterdoom, “Computer simulation of slag cleaning in an electric furnace” Copper 2007, Vol III-Pyrometallurgy of Copper (Book 2, Edited by A. Warner, C. Newman, A. Vahed, D. B. George, P.J.Mackey and A.Warczok.), Toronto, Canada, 367 – 378, 2007.
  • Warczok, G. Riveros and R. Parada, “Slag reduction and cleaning with calcium carbide” Copper 2007, Vol III-Pyrometallurgy of Copper (Book 2, Edited by A. Warner, C. Newman, A. Vahed, D. B. George, P.J.Mackey andA.Warczok.), Toronto, Canada, 379 – 390, 2007.
  • Warczok, G. Riveros, R. Degel, J. Kunze and H. Oterdoom, “Slag cleaning in circular and rectangular electric furnaces” Copper 2007, Vol III-Pyrometallurgy of Copper (Book 2, Edited by A. Warner, C. Newman, A. Vahed, D. B. George, P.J.Mackey and A.Warczok.), Toronto, Canada, 403 -416, 2007.
  • Riveros, A. Warczok, T. Marin, T. Utigard, H. Scwarze, D, Smith, J. Sanhueza, and A. Balocchi, “A new Paipote process of continuous fire refining of copper” Copper 2007, Vol III-Pyrometallurgy of Copper (Book 2, Edited by A. Warner, C. Newman, A. Vahed, D. B. George, P.J.Mackey and A.Warczok.), Toronto, Canada, 633 – 645, 2007.
  • Warczok, G. Riveros, T. Marin, G. Wastavino C. Puga, and T. Utigard, “Kinetics of copper oxidation and reduction in packed bed reactors”, Copper 2007, Vol III-Pyrometallurgy of Copper (Book 2, Edited by A. Warner, C. Newman, A. Vahed, D. B. George, P.J.Mackey and A.Warczok.), Toronto, Canada, 701 – 714, 2007.
  • Leandro Voisin and Kimio Itagaki, “Activities of Liquid Fe-As and Fe-Sb Alloys Saturated with Carbon”. TOFA, Discussion Meeting on Thermodynamic of Alloys, Jun. 18-23, Beijing, China, 2006.
  • Leandro Voisin, Kimio Itagaki, Alex M. Moyano and Jonkion M. Font, “Processing Complex Copper Matte by Using Pig-Iron”. Sohn International Symposium, TMS. Aug. 27-31, San Diego, California, USA, 2006.
  • Kimio Itagaki, Leandro Voisin and Dexter Mendoza, “Phase Relations and Activities in the Cu-Fe-S-X and Cu-Fe-S-C-X (X = As or Sb) Systems and Distribution of Precious Metals Relating to Reduction Smelting of Copper” Sohn International Symposium, TMS, Aug. 27-31, San Diego, California, USA, 2006.
  • Marin. “Solidification of a liquid metal droplet impinging on a cold surface”, In: Comsol Multiphysics International Conference 2006, J.A. Hiller (ed.), Cambridge, Massachusetts, EEUU, p. 391-398, 2006.
  • Warczok, G. Riveros, R. Degel, J. Kunze, and H. Oterdoom. “Advanced process modelling for large-scale SAF”. In: SMS Demag International Meeting 100 years of SAF Technology, Hamburg , Germany, 2006.
  • Cassayre, G. Plascencia, T. Marin, S. Fan, and T. Utigard. “Gas evolution on graphite and oxygen-evolving anodes during aluminium electrolysis”. In: 2006 TMS Annual Meeting and Exhibition, San Diego, EEUU. T.J. Galloway (ed.), Light Metals 2006, v.2, p. 379-383, 2006.
  • Voisin, L., Henao, M. H. and Itagaki, K., “Phase Relations and Distribution of Precious Metals in Pb-Fe-As and Pb-Fe-Sb Systems Saturated with Carbon at 1473K”. Lead and Zinc `05: International Symposium on Lead and Zinc `05, Oct. 17-19, Kyoto, Japan, 2005.
  • Marin and T. Utigard, “Surface Tension Driven Flow During Oxygen Top Blowing of Liquid Copper”, Proceedings of the COMSOL Multiphysics International Conference 2005, Ed. Jeri’Ann Hiller, Cambridge, Massachusetts, USA, 2005.
  • Riveros, and A. Warczok, “Magnetohydrodynamic siphon for tapping out liquid metals”, Pyromet 05, 2nd International Symposium on Pyrometallurgy ’05, Cape Town, South Africa, 2005.
  • Warczok and G. Riveros, “Slag cleaning in crossed electric and magnetic fields”, Pyromet 05, 2nd International Symposium on Pyrometallurgy ’05, Cape Town, South Africa, 2005.
  • Voisin, L. Henao, H. M. and Itagaki K., “Phase Relations and Distribution of Some Minor Elements in Cu-Fe-As and Fe-Cu-Sb Systems Saturated with Carbon at 1473 K”. REWAS 2004: Global symposium on Recycling, Waste Treatment and Clean Technology, Sept. 26-29, Madrid, Spain, 2004.
  • Voisin, M. Hino, and K. Itagaki, “Activities in Liquid Fe-Ni-As, Fe-Co-As, Fe-Ni-Sb and Fe-Co-Sb ternary alloys at 1423 K”. MMIJ, Shigen to Sozai 2003: Symposium of Materials, Sept. 22-24, Yamaguchi-ken, Japan, 2003.
  • Marin, T. Utigard, G. Riveros and A. Warczok; “Effect of combustion gases on the rate of liquid copper oxidation”; 5th International Conference Copper 2003, Santiago – Chile, Nov. 30 – Dic. 3, 2003.
  • Kunze, R. Degel and A. Warczok; “Current status and new trends in copper slag cleaning”; 5th International Conference Copper 2003, Santiago – Chile, 2003.
  • Moreno, G. Sanchez, A. Warczok and G. Riveros; “Development of slag cleaning process and operation of an electric furnace at Las Ventanas smelter”; 5th International Conference Copper 2003, Santiago – Chile, 2003.
  • Warczok, G. Riveros and P. Montenegro; “Utilization of magnetohydrodynamic phenomena in slag cleaning”; 5th International Conference Copper 2003, Santiago – Chile, 2003.
  • Riveros, A. Warczok and D. Espínola; “Rate of slag reduction with natural gas”; 5th International Conference Copper 2003, Santiago – Chile, 2003.
  • Warczok, and G. Riveros. “Effect of Electric and Magnetic Fields on Metallic Inclusions in a Liquid Slag”. TMS 2003 , Yazawa Symposium, San Diego, EE.UU., 2003.
  • Riveros, A. Warczok, L. Voisin, and T. Marin. “Factors Affecting the Rate of Copper Reduction during Copper Refining”.TMS 2003, Yazawa Symposium, San Diego, EE.UU., 2003.
  • Montenegro, A. Warczok, T. Fujisawa, and G. Riveros “Effect of Magnetic Field on the Rate of Slag Reduction in an Electric Furnace”; TMS 2003, Yazawa Symposium, San Diego, EE.UU., 2002.
  • Voisin, G. Riveros, and A. Warczok, “Cinética de Reducción del Cobre, Mediante Gas Natural”. CONAMET/SAM Simposium Materia. Santiago, Chile, 2002.
  • Warczok, and G. Riveros, “Electromagnetic Buoyancy Force of Copper Inclusions in a Liquid Slag”;. CONAMET/SAM Simposium Materia. Santiago, Chile, 2002.
  • Riveros, and A. Warczok, “Magnetite Stratification During Slag Reduction”. TMS Annual Meeting 2001, New Orleans, 499 – 513, 2001.
  • Warczok, G. Riveros, R. Mackay, D. Cordero, and G. Alvear, “Effect of Converting Slag Recycling into Teniente Converter on Copper losses”. TMS Annual Meeting 2001, New Orleans, 431-444, 2001.
  • Warczok, G. Riveros, C. Díaz, and D. Cordero, “Mathematical modeling of the El Teniente slag cleaning process”Fundamentals of metallurgical processing, (Kaiura, Pickles, Utigard, Edts.), COM2000, August, Ottawa, Canada, 481-496, 2000.
  • Warczok, G. Riveros, and V. Montenegro, “Intensive and clean technology of slag processing in DC electric furnace” V Conference on clean technology, (Sanchez, Vergara, Castro, Eds.), May, Santiago, 2000.
  • Warczok, G. Riveros, R. Fuentes, R., and A. Alvarez, “Effect of crossed electric and magnetic field on metallurgical slags” Electromagnetic processing of materials, EPM2000, ISIJ, Nagoya, Japan, 512-518, 2000.
  • Achurra, P. Echeverría, T. Utigard, A. Warczok, G. Riveros, and C. Díaz, “Improvements to the El Teniente slag cleaning process” Procs. Copper 99-cobre 99, Inter. Conference, Vol VI, (Smelting, Technology Development, Process Modeling and Fundamentals), TMS, Phoenix, USA, 137-152, 1999.
  • Siegel, and E. Almendras, “Automatic mineralogical analysis of copper slags” Procs. Copper 99-cobre 99, Inter. Conference, Vol VI, (Smelting, Technology Development, Process Modeling and Fundamentals), TMS, Phoenix, USA, 627-633 , 1999.
  • Riveros, and A. Warczok, “Factors determining magnetite reduction from liquid slag with carbon” Acta Metallurgica Slovaka, International Conference Advanced Materials and Technologies ’98, Kosice, Slovakia, 179 – 188, 1998.
  • Warczok, G. Riveros, P. Echeverría, G. Achurra, J. Zuñiga, A. Dagnino, and C. Díaz, “Optimization of fuel combustion in El Teniente slag cleaning furnace” Environment & innovation in mining and mineral technology (Sanchez, Vergara, Castro, Edts,), Vol II, UdeC, Santiago, 731-740, 1998.

 

 

National Conferences 
  • P. Martinez, L. Voisin, V. Montenegro, A. McFarlane, C. Laukamp and J. Huntington, “Hyperespectral logging for mineral deposits and its application to mining”, XIV Chilean Geological congress, La Serena, Chile, October 04th – 08th, 2015.
  • G. Riveros, y A. Warczok, “Efecto del reciclaje de los óxidos en la etapa de fusión”; Workshop Tratamiento de escorias oxidadas, ENAMI, Viña del Mar, 4-5 Abril, 2002.
  • A. Warczok, y G. Riveros, “Posibilidades del tratamiento de los óxidos y reciclaje en un horno tipo cubilote”; Workshop Tratamiento de escorias oxidadas, ENAMI, Viña del Mar, 4-5 Abril, 2002.
  • Riveros, G. y A. Warczok,  “Rol de varios fenómenos físico-químicos en limpieza de escoria”; 51ava Convención Anual IIMCh, Santiago, Septiembre, 2000.
  • P. Siegel, y E. Almendras, “Análisis de imágenes aplicado al procesamiento de minerales”; XI Convención de Ingeniería de Minas, USACH, Agosto, 1999.
  • V. Montenegro, J. Manríquez, A. Warczok, y G. Riveros, “Efecto de la adición de sulfuros en la coalescencia de inclusiones de cobre en la escoria”; X Conamet, Copiapó, Octubre, 1998.
  • V. Montenegro, F. Urbina, G. Riveros,  y A. Warczok, “Efecto de la adición de colectores sobre la recuperación de cobre desde la escoria”; I Encuentro Minero Cono Sur de América, Iquique, Agosto, 1998.
  • G. Riveros, “Situación actual y futura de la pirometalurgia del cobre en Chile”; XV Convención Académica Ingeniería Civil de Minas, U. de Chile, Mayo, 1997.
  • J. Soto, G. Riveros, P. Ruz, y C. Herrera, “Retener: Simulador del proceso de refinación a fuego de cobre blister”; 46ava Convención Anual IIMCh, Santiago, Septiembre, 1995.
  • G. Cartagena, y G. Riveros, “El cambio tecnológico para la gestión energética y medio ambiente eficiente en la fundición de concentrado de Chuquicamata”; Seminario Uso Eficiente de la Energía, Comisión Nacional de Energía, Antofagasta, Noviembre, 1995.