Name

Field of Work : Extractive Metallurgy, Thermodynamics, High Temperature Processes, Environment in Mining and Metallurgy.

Doctor of Engineering, (December 3th, 1980), Institut National Polytechnique, Grenoble, Francia.

(1985-1986) Head of Chemical Metallurgy Section, Department of Metallurgical Engineering.

(1991-1995) Head of Technological Research Institute (IIT), Engineering Faculty.

(1978-2008) Professor at the Department of Metallurgical Engineering and Consultant in Environment at the Technological Development Unit, University of Concepcion.

Participation in evaluation committees

MAIN RESEARCH (Participation in fundamental, applied research and Technological transfer)

-Harmful impurities to the mechanical and electrical properties of Copper. Minimisation of their effects by improvements of refining conditions, Internal Research Project No. 20.95.04, University of Concepción, 1982.

-Thermodynamic of Cu-Fe-O System. Phase presents at temperatures of interest in pyrometallurgy, Internal Research Project No. 20.95.17, University of Concepción, 1985.

-Thermodynamic Stability of Cu-Fe-S-O system during solid gas reactions, Internal Research Project No. 20.95.09, University of Concepción, 1986.

-Hydrometallurgical Extraction of copper from sulphide minerals, using sulphuric gas as agent to produce sulphate compounds, Internal Research Project No. 20.95.24, University of Concepción, 1986.

-Characterisation of commercial coppers and effect of impurities, Internal Research Project No. 20.95.39, University of Concepción, 1989.

-Neutralisation of Arsenic and Sulphur by Roasting sulphide concentrates of Copper, Internal Research Project No.91.95.42-1, University of Concepción, 1991.

-The use of glacileria chilensis bio mass for decontamination of liquid mining effluents, Internal research supported by the Clean Technology Group, Department of Metallurgy, University of Concepción, 1999.

-Behaviour of the Teniente Converter Slags, Department of Mines, University of Chile, Santiago, Chile, 1997-1998.

-Influence of alloy elements on interfacial parameters of Cu-Pb system, Ecole National Superieure d’Electrometallurgie et Electrochimie, INPG, Grenoble, France, 1977-1978 (One year D.E.A. Stay Rapport).

-Effect of impurities on mechanical behaviour of commercial copper and microstructure of equilibrium in the existing phases, Ecole National Superieure d’Electrometallurgie et Electrochimie, INPG, Grenoble, France, 1977-1980 (Four year Dr. Eng. Thesis).

-Development of New metallurgical production processes, Project ECOS French Government, Department of Metallurgical Eng., University of Concepcion, 1994-1996.

-“Stability of copper ferrites during roasting/ Oxidation of enargite using calcium oxide”, Department of Materials, Imperial College of Science, Technology and Medicine, London, UK, 1990 (One year Post Dr. Eng.Stay).

-“Development of novel routes for roasting copper-bearing concentrates without the emission of sulphur and arsenic bearing gases”, Link SAN 984-49, Imperial College-University of Concepcion, 1993-1996.

-“Development of an arsenic sensor in a gas-phase”, Link between Royal Institute of Technology, Stockholm, Sweden and the University of Concepción, 1997.

-Application of the system Cu-Fe-S-O-SiO2 Thermodynamic data to copper smelters, FONDECYT Project No. 0466, CIMM and Department of Metallurgical Eng., University of Concepción, 1987.

-Characterisation of commercial copper and effect of impurities, FONDECYT Project No. 91-0401, Department of Metallurgical Eng., University of Concepcion, 1991

-Development of an integrated and not contaminated process for copper concentrates treatment, FONDEF Project No. 2-71, Department of Metallurgical Eng., University of Concepcion, 1994.

-Research on stability of the system As-S-O-Iron Oxides, as an alternative method to neutralise Arsenic from smelter gases, FONDECYT Project No. 1000474, Department of Metallurgical Eng., University of Concepcion, 2000-2002.

- Research on How to obtain commercial products from chilean copper smelter slags, FONDEF Project No. DO211159, Department of Metallurgy, University of Concepción, 2003-2004-2005.-

-Characterisation and Evaluation of Technologies for treating Liquid Effluents and Sludge produced during mining activity in Chile, Mining Ministry-University of Concepcion Project, OT No. 96-327-1, 1997-1998

-Development of control systems in copper concentrate smelters, Project supported by SONDA and the University of Concepcion, OT No. 87-045-1, 1987-1988

-Analysis of Consumption Factors in Huachipato Steel Plant, Project supported by Huachipato Steel Plant Co., OT No. 93-347-1, University of Concepcion, 1993.

-Behaviour of Copper concentrates and reactions during stocking in piles, Project supported by Escondida Mining Co., OT No. 97-89-1, University of Concepcion, 1997.

-Data analysis to establish control strategies for air blowing during copper conversion, Project supported by Disputada las Condes Mining Co., OT No. 97-226-1, University of Concepción, 1997.

-Control of Copper Pyrometallurgical Processes, Project supported by CORFO, SONDA and the University of Concepción, 1988-1990.

-J. Budinich “Optimisation of the oxidising in a concentrate roasting process” (1976)

-J. Pefaur, “Vanadium extraction from iron slag, using chlorinating volatilisation” (1977)

-G. Ahlborn “Stability of Cu-Mo-S-O system in the region of interest for molibdenite roasting” (1983)

-P. Reyes, “Technical and economical feasibility to extract silver from Pb-Sb-Ag anode alloys by a pyrometallurgical process” (1985)

-J. Rodriguez “Generation, management, consumption and costs of secondary materials at Potrerillos smelter plant” (1985)

-M. Bustos “Modelling and simulation of the reverberatory furnace and Peirce-Smith converter at Chagres smelter plant” (1985)

-M. Cerna, “Use of associated solution model to calculate phase diagrams of interest in copper pyrometallurgy. Application to Cu-O, Cu-S, Fe-S, and Fe-O systems” (1988, as Professor of University of Santiago, Chile)

-A. Soto, “Economical evaluation for treating smelter dust in electric and TBRC furnaces” (1990)

-F. Lechuga “Technical and economical feasibility to use copper cements in Peirce Smith Converters” (1992)

-J. García “Analysis of the Teniente converter at Chuquicamata smelter plant. Evaluation of Operation Parameters to improve efficiency” (1992)

-M. Cardenas “Phase diagrams application to smelting in a reverberatory furnace” (1993)

-A. Ulloa “Use of calcium oxide to neutralise arsenic and sulphur in copper concentrates” (1994)

-M. Bravo “Evaluation, analysis and optimisation of the pyrometallurgical slag cleaning process” (1995)

-S. Vergara, “Treatment Optimisation of slag in converters, fire refining and anodes furnaces” (1996)

-F. Rios, “Bio adsorption of heavy metals and the application to liquid effluents in the Mining Industry” (1998)

-S. Rebolledo “Physicochemical characterisation and industrial evaluation of El Teniente converter slag” (1999)

-C. Gonzalez “Direct Reduction of Caletones’ smelter copper slags” (2004)

-V. Santa Cruz “Technical and economical approach of PCI (Powder Coal Injection) in Blast Furnaces at Huachipato Iron and Steel Plant, Chile” (2004)

-P. Lucero, “Dolomite addition and vanadium behaviour during steel making” (2004)

-G.Waldrom “Evaluación técnico económica de alternativas para el tratamiento de escorias finales de cobre” (2004)

- N. Monsalve “Caracterización de compuestos de vanadio en escorias de acería” (2005)

-C. Gaete, “Procesamiento de Escorias de Fundición de cobre mediante procesos de concentración gravitacional y magnética” (2006)

-S. Rivera “Optimization of a shaft furnace in a secondary copper industry” (2006)

-O. Reyes “Modelling of bacterial leaching in heap with forced aeration” (2007)

-M. Torres “Determinación del nivel de limpieza del acero mediante espectrometría de emisión óptica robotizada en la estación de ajuste metalúrgico de la Compañía Siderúrgica Huachipato S.A.” (2008)

-J. Acuña, Department of Metallurgy, University of Concepcion, Chile, “Determination of phase diagram and thermodynamic of Cu-Fe-O system in the region of interest for copper refining (1100-1300 oC) ”

-J. Espinel, Department of Metallurgy, University of Concepcion, Chile, “Contribution to the knowledge of the system Cu-Fe-O at temperatures and oxygen potential of industrial interest”

-M. Lopez, Department of Metallurgy, University of Concepcion, Chile, “Determination of mechanical properties of copper and the effect of impurities addition”

-P. Fredriksson, Department of Metallurgy, Royal Institute of Technology, Stockholm, Sweden, “The development of an Arsenic sensor for the liquid and gaseous phases in copper production” (Thesis in co supervision, 1998)

-A.Valenzuela, Department of Mining and Metallurgy, Laval University, Quebec, Canada, “Arsenical Management in the Metallurgical Industry” (As external examiner, 2000)

-J. Bengoa, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Oxygen enrichment impact on copper concentrates smelt and productivity parameters of Teniente Converter”

-H. Polanco, Department of Metallurgy, San Agustin University Postgraduate Program, Arequipa, Peru, “Arsenic elimination using a roasting process for silver pyrites treatment”

-E. Herrera, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Magnetite Control and evaluation, during charging of Teniente Converter at Ilo Smelter Plant, SPCC”

-M. Villanueva, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Physico chemical research about disposable slag generation in a flash Outokumpu furnace, using coke as reducing agent”

-R. Palomino, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Behaviour of iron during copper blowing step in Peirce Smith converters at Ilo Smelter Plant, SPCC”

-D. Fernandez, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Suphur contained in copper concentrates versus smelt capacity and its effect when using cold charge in Teniente converters”

-A. Vizcarra, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Utilization of neutralized effluents from sulphuric acid plant, as process water at Ilo smelter plant”

- F. Alvarado, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Refrigeration design for high intensity reactors in Copper Pyrometallurgical processes”

- D. Begazo, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Effective velocity particle migration and its influence during electrostatic precipitation at the SPCC Copper smelter”.

- R. Gallegos, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Formation and behaviour of magnetite related to Peirce Smith refractory system”.

- C. Morales, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Magnetite behaviour during slag blowing in Peirce Smith converters”

- M. Pizarro, Ilo Smelter Plant, Southern Peru, San Agustin University Postgraduate Program, Arequipa, Peru, “Analysis, characterization and distribution of impurities in the SPCC copper smelter”

-O. Gonzalez, Department of Mechanics and Metallurgy, Catholic University, Santiago, Chile “Study about process of oxidation and decomposition in particles of copper concentrates” (As external examiner)

-E. Balladares, Department of Metallurgy, University of Concepcion, Chile, “Physicochemistry and formation mechanisms of FeAsO4 in heterogeneus reactions gas/solid between 500 and 800°C”

-Pierre-Francois Bareel, Faculté des Sciences Appliquées, Université de Liege, Belgium “La valorisation des résidus de broyage de déchets métalliques- Proposition d’un procédé intégré” (As external examiner)

LECTURES AND COURSES ADDRESSES TO INDUSTRIES AND UNIVERSITIES

1988: Effect of impurities in commercial copper, Chuquicamata Refinery, Codelco Chile.

1988: Behaviour of Pyrometallurgical slags, Chuquicamata Smelter Plant, Codelco Chile.

1988: New Technologies in Copper Smelting, Paipote Smelter Plant, ENAMI, Copiapó, Chile.

1989: Mass and Energy Balance in Metallurgical Processes, Pacifico Mining Co., Huasco, Chile.

1989: Design and Operation Control of Rotatory Kilns, Pacifico Mining Co., Huasco, Chile.

1991: Physicochemical principles for the Metallurgical systems, Chuquicamata Smelter Plant, Codelco Chile.

1991, 1992: Application of Physicochemical Principles to Copper pyrometallurgy, Chuquicamata Smelter Plant,

1992: Physicochemical fundamentals of the Pyrometallurgical Processes, Chuquicamata Smelter Plant, Codelco

1992: Physicochemical fundamentals of the Pyrometallurgical Processes, Chagres Smelter Plant, Disputada Las

1995: Flash Smelting Processes, Chagres Smelter Plant, Disputada Las Condes Mining Co., Chile

1996: Pyrometallurgical applications to Copper extraction, Chagres Smelter Plant, Disputada Las Condes Mining

1999: Clean Technologies for the Copper Industry, Escondida Mining Co., Antofagasta, Chile.

2002: Management of dangerous residues in the Mining Industry (Various lectures), La Serena, Antofagasta, Iquique; Chile.

2002: Characterization and behaviour of pyrometallurgical slags, Altonorte Smelter Plant, Antofagasta, Chile.

2004: Environmental regulations and Abatement Technologies in the Mining and Metallurgical Industries. Facultad de Ciencias Naturales y Formales, Universidad Nacional San Agustín de Arequipa, Perú, September, 2004.

2008: “Copper pyrometallurgy” Internal Lectures, Hatch Consulting, Santiago, Chile, June-July, 2008.

2009: “Recovery of valuable metals from copper slags” Invited lectures at Beersheva Technological Center, Beersheva, Israel.

INVITED LECTURES

-1988 (August-September): “Roasting of Minerals”, National Faculty of Mines, National University of Colombia, Medellín, Colombia.

-1996 (October-December): “Copper Pyrometallurgy” Technical University of Kosice, Slovakia.

-1999 (August): “Processes in the Mining Industry and their effect in the environment” Europe-Latin America Centre, University of Concepción, Chile (during the Chilean yearly Clean Production celebration)

-1999 (November): “Regulation and effective management of hazardous residues in mining and metallurgical plants” at Hotel Sheraton, Santiago, Chile, during symposium on Emerging Topics for Andes Mining Industry (invited by the Institute of Americas).

-2000 (January-February): “Analysis and conception in Pyrometallurgy” and “Environment in Mining and Metallurgy”, Department of Mining and Metallurgy, Laval University, Quebec, Canada.

2000 (March): “Copper Pyrometallurgy”, San Agustín University, Arequipa, Perú (invited by the Graduate School).

-2000 (June): “Environment and development in the Chilean Iron and Steel Industry. A sustainability approach” in ICSS 2000, International Conference on Steel and Society, Osaka, Japan (invited by the Iron and Steel Institute of Japan)

-2000 (June): Key-note Lecture “Physicochemical characterisation and industrial evaluation of Converter slags” in Sixth International Conference on Molten Slags, Fluxes and Salts, Stockholm, Sweden.

-2002 (January): “Towards a Clean Production in the Mining Industry”, San Agustin University, Arequipa, Peru.

-2002 (December): “Metallurgical processes and Clean Technologies”, Workshop on Research and development of metallurgical processes, Universidad Nacional Mayor de San Marcos, Lima, Perú.

-2003 (March): “The Chilean Copper Metallurgical Industry: An update”, Yazawa International Symposium on Metallurgical Thermochemistry and Materials Processing , San Diego, USA.

-2003 (April): “Management of data related to mining and environmental development” invited by Universidad Nacional Mayor de San Marcos y UNCTAD, Taller Internacional de la Red Latinoamericana sobre Industrias Extractivas y Desarrollo Sostenible, Lima, Peru.

-2004 (June): “Management of wastes to increase economical value in mining and metallurgical activities”, invited Lecture in the Professor Holappa Honorary Symposium on Metal Separation Technologies, held in Copper Mountain, Colorado, USA.

-2004 (October): “Clean Technologies Management in mineral treatment”, lecture invited for the VII Jornadas Argentinas de Tratamiento de Minerales, organized by the Servicio Geológico Minero Argentino and Instituto de Tecnología Minera, Buenos Aires, Argentina.

-2006 (June): “Clean technologies in the copper mining”, Jornadas Iberoamericanas sobre tecnologías limpias en las industrias extractivas (minero-metalúrgica y petrolera) 12 al 16 de Junio 2006, Santa Cruz, Bolivia.

-2006 (October): “Networking and management of mining information“, II Reunión REDLIEDS, Taller UNCTAD/ICMM, Arequipa, Perú, 11-12 October.

-2006 (October) “Pirometalurgia del cobre” y “Tecnologías Limpias en la Industria Minera”, Curso-Taller en Avances en tratamiento de minerales, Lima, Perú, 13-14 October.

-2006 (October): “Clean production in the copper extractive Metallurgy”, VII Conference on Clean Technologies for the Mining Industry, Buzios, Brazil.

2007 (March): “El desarrollo de la industria pirometalúrgica, nuevos procesos y su impacto ambiental”, Pontificia Universidad Católica de Lima, Perú, 22 March.

2008 (August): “Agua y Energía: Desafío para el mundo minero del mañana” Seminario Minero de Tarapacá, “La Innovación Tecnológica: Una respuesta frente a los problemas Hídricos y Energéticos de Chile” Iquique, Chile, 13 Agosto 2008.

2010 (June) “Valuation of copper slags and recovery of valuable metals and materials”, invited short course to Copper2010 conference in Hamburg, Germany, 5 June.

-1977 to 1980 and June 1995: Laboratoire de Thermodynamique et Physico Chimie Metallurgiques, ENSEEG. Grenoble, France (Stay for D.E.A. research and Dr. Eng. Thesis)

-March to June 1980: Centre de Recherche du Cuivre TREFIMETAUX, Argenteuil, France (Stay for research)

-December 1982: Instituto de Pesquisas Tecnológicas, IPT, Cidade Universitaria. Sao Paulo, Brasil.

-Nov. 1989 - Nov. 1990: Imperial College of Science, Technology and Medicine, London, UK (Stay for Post Doctoral Research)

-June 1990: Petten, The Netherlands (Conference on User aspects of Phase Diagrams)

-July 1990: University of Manchester, Department of Materials and UMIST, Manchester, UK.

-July 1990 and July 1994: University of Birmingham, Department of Chemical Eng., Birmingham, UK.

-July 1990 and July 1995: University of Cambridge, Department of Materials, Cambridge, UK.

-September 1990: University of Strathclyde, Department of Metallurgical Processes Eng., Glasgow, Scotland

-February 1992: Laboratories and Smelter Plant of Outokumpu in Pory and Harjavalta, Finland.

-February 1992: Royal Institute of Technology, Department of Theoretical Metallurgy, Stockholm, Sweden.

-February 1992: Institut für Metallurgie, Technical University of Berlin, Germany.

-July 1994: Camborne School of Mines, Cornwall/Brunel University, London/University of Leeds, Leeds, UK.

-October-December 1996: Faculty of Metallurgy, Technical University of Kosice, Slovakia (Stay for lectures)

-November 1996: Department of Non Ferrous Metallurgy, University of Miskolc, Hungary.

-December 1996: Chemical Technology Institute, Prague and Technical University of Ostrava, Czech Republic.

-December 1996: University D. Mendeleyev, Baykov Institute, Institute for Steel and Alloys and State Research Centre GINSVETMENT, Moscow, Russia.

-May 1999: Mining Plants of Rouyn Noranda and Val D’Or, Quebec, Canada, (Invited by the Chilean Mining Ministry).

-May 1999: Laval University, Quebec, Canada, and Mc Gill University, Montreal, Canada

-October 1999: Participation in the IV Conference Mining Ministries of Americas, Caracas, Venezuela (Invited by the Chilean Mining Ministry).

-January-February 2000: Department of Mining and Metallurgy, Laval University, Quebec, Canada (Visiting Professor, Stay for lectures)

-March and October 2000: Graduate School, Eng. Faculty, San Agustín University, Arequipa, Perú (Stay for lectures and thesis supervision)

-November 2000: Participation in Seminar on “Mining Clusters in Latinamerica”, Santiago, Chile (Organised by CEPAL-ECLAC)

-January 2002: Graduate School, Eng. Faculty, San Agustín University, Arequipa, Perú (Stay for lectures and thesis supervision)

-March 2002: Seminar on “Copper mining in Latin America and copper vision for XXI Century”, Santiago, Chile (10^th Annual IGSG General Session).

-August 2004: Falconbridge Smelter Plant and Technology Centre, Sudbury, Canada.

- November 2005: Universidad Complutense de Madrid, España, Depto. De Ciencia de los Materiales.

- November 2005: Montanuniversität, Institut für Entsorgungs- und Deponietechnick, Leoben, Austria.

- March 2007: Pontificia Universidad Católica de Lima, Perú, Departamento de Ingeniería Sección Minas, Área de Metalurgia.

- November 2009: Faculté des Sciences Appliquées, Université de Liege, Belgium.

ORGANIZATION OF MEETINGS & CONFERENCES

-In charge of Technical Visits to Mining Industrial Plants in the North of Chile with the participation of all Head of Departments of the Eng. Faculty-University of Concepción (Plants visited: Mantos Blancos, Escondida, Zaldivar, Chuquicamata, Cerro Colorado, Quebrada Blanca). March 1995.

-From 1992, and each two years, participating as main Chairman of International Conferences on Clean Technologies for the Copper Industry and Clean Technologies for the Mining Industry, held in Concepcion and Santiago, Chile with the support of the Chilean Mining Ministry and the United Nations Environmental Program, UNEP (see proceedings edited below).

-Organisation of the First Meeting for Heads of Mining and Metallurgical Departments of Chilean Universities, held

-Organisation of the First Meeting on Mining & Energy resources in the South of Chile, held at the University of Concepción, with the support of the IIMCh, August 1999.

-Organization of the International Seminar New Iniciatives in the Mining Sector (together with the Chilean Mining Council and COCHILCO), held in Santiago, during EXPOMIN 2002, May 2002.

- Organisation of the VI International Conference on Clean Technologies for the Mining Industry held in Concepción, Chile, April, 2004.-

- Organizing Committee for the Conference on Clean Technologies for the Mining Industry to be held in Rio de Janeiro, Brazil, October 2006.-

- Organizing Committee for the Conference on Minor Element Contaminants in Copper Metallurgy, held in Concepción, Chile, October 25-26, 2007.

- Organizing Committee for the VIII International Conference on Clean Technologies for the Mining Industry held in Santiago, Chile, April 13-16, 2008.

- Organizing Committee for the VIII Molten Slag, Fluxes and Salts held in South America (Chile) in January, 2009.-

- Organizing Committee for the IX Conference on Clean Technologies for the Mining Industry, to be held in Santiago (Chile) 10-12 April, 2011.-

OTHER PARTICIPATION IN MEETINGS & CONFERENCES

-Organising Committee or Scientific Committee of various CONAMET Conferences (National Conferences on Metallurgy) held in Chile.

-Scientific Committee of Conferences Series on New Trends in Mineral Processing held in Ostrava, Czech Republic.

-International Organising Committee of SWEMP Conference (International Symposium on Environmental Issues and Waste Management in Energy and Mineral Production) held in Canada.

-International Committee of Sixth Conference on Molten Slags, Fluxes and Salts, held in Stockholm, Sweden and Helsinki, Finland, June 2000.

-Technical Advisor, VI Southern Hemisphere Meeting on Mineral Technology, Rio de Janeiro, Brazil, May 2001.-

-Technical Committee, VI Mining Meeting of Tarapaca Region, Iquique, Chile,August 2001.-

-International Honorary Committee, V International Conference on Metallurgy, Refractories and Environment, High Tatras, Slovakia, May 2002.

-International Program Committee, SWEMP 2002 (www.swemp.com), Cagliari, Italy, October 2002.

-Advisory Organising Committee, TMS Yazawa International Symposium on Metallurgical Thermochemistry and Materials Processing (www.flogen.com/YazawaSymposium/), USA, Autumn 2002.

-Organising Committee, International Conference Copper 2003 (www.cu2003.cl), Santiago, Chile, December 2003.

-International Advisory Board, VII International Conference on Molten Slags, Fluxes and Salts (www.saimm.co.za/slags), Cape Town, South Africa, 25-28 January, 2004.

-International Organising Committee 5th Int. Symp. on Waste Processing and Recycling in the Mineral and Metallurgical Industries (August 22 - 25, 2004, Hamilton, Ontario, Canada)

- International Organising Committee, Sohn International Symposium on advanced processing of metals and materials, San Diego, California, USA, August 27 to 31, 2006.

- Chairman VIII International Conference on Clean Technologies for the World Mining Industry (www.ctwmi.com), Santiago, Chile, April 13-16, 2008.

- Chairman, International Conference Molten slag fluxes and salts (www.molten2009.com), Santiago, Chile, January 18-21, 2009.-

PUBLICATIONS

-Clean Technologies for the Copper industry, Vol I, (M. Sánchez, Editor University of Concepcion, Department of Metallurgical Eng., 12 papers, 152 pages, 1993 (English+Spanish)

-Chemical Metallurgy (Proceeding of the IV Meeting of the Southern Hemisphere on Mineral Technology (I. Wilkomirsky, M. Sánchez, Ch. Hecker, Editors) University of Concepción, Department Metallurgical Eng., 33 papers, 409 pages, 1994 (English, ISBN 956-227-104-8)

-Clean Technologies for the Copper industry, Vol II (M. Sánchez, Editor) University of Concepción, Department of Metallurgical Eng., 21papers, 266 pages, 1995 (English+Spanish, ISBN 956-227-110-2)

-Clean Technology for the Mining Industry, Proceedings of the III International Conference on Clean Technologies for the Mining Industry, Santiago, Chile 15-17 May, 1996 (M. Sánchez, F. Vergara, S. Castro, Eds.) University of Concepción, Department of Metallurgical Eng., 47papers, 550 pages, 1996 (English, ISBN 956-227-127-7)

-Effluent treatment in the Mining Industry (S. Castro, F. Vergara, M. Sánchez, Eds.) University of Concepcion, Department of Metallurgical Eng., 389 pages, 1998 (English, ISBN 956-227-156-0).

-Environment & Innovation in Mining and Mineral Technology, Vol. I, Proceedings of the IV International Conference on Clean Technologies for the Mining Industry, Santiago, Chile 13-15 May, 1998, (M. Sánchez, F. Vergara, S. Castro, Eds.) University of Concepción, Department of Metallurgical Eng., 39 papers, 487 pages, 1998 (English, ISBN 956-227 158-7).

-Environment & Innovation in Mining and Mineral Technology, Vol. II. Proceedings of the IV International Conference on Clean Technologies for the Mining Industry, Santiago, Chile 13-15 May, 1998, (M. Sánchez, F. Vergara, S. Castro, Eds.) University of Concepcion, Department of Metallurgical Eng., 45 papers, 529 pages, 1998 (English, ISBN 956-227 159-5).

-Waste treatment and environmental impact in the mining industry. Proceedings of the V International Conference on Clean Technologies for the Mining Industry, Santiago, Chile 9-13 May, 2000 (M. Sánchez, F. Vergara, S. Castro,

Eds) University of Concepcion, Department of Metallurgical Eng., 47papers, 472 pages, 2000 (ISBN 956-227-2303).

-Environmental improvements in mineral processing and Extractive Metallurgy. Proceedings of the V International Conference on Clean Technologies for the Mining Industry, Santiago, Chile 9-13 May, 2000 (M. Sánchez, F. Vergara, S. Castro, Eds) University of Concepcion, Department of Metallurgical Eng., 46 papers, 488 pages, 2000 (English, ISBN 956-227-231-1).

- Mining and Metallurgy Dictionary (English-spanish/Spanish-english), Authors: Miguel Alarcón, Mario Sánchez, Universidad de Concepción, Dirección de Docencia, Proyecto Docencia 99-078, 2001, 284 páginas (Spanish, ISBN

-Copper pyrometallurgy and behaviour of melt systems. (Authors: Mario Sánchez-University of Concepción, Chile & Ivan Imris-University of Kosice, Slovakia), University of Concepción, Dirección de Docencia, Proyecto Docencia 97-054, 144 pages (Spanish, ISBN 956-8029-38-9/1^st Edition 2002, -69-9/2^nd Edition 2006).

-Health, Environment and Sustainable Development, Vol II of Copper Conference Proceedings (G. Lagos, A.E.M. Warner, M. Sanchez, Eds.), Chilean Mining Eng. Institute, 2003, 601 pages (English, ISBN 1-894475-35-6).

- Environmental Issues in the Mining and Metallurgical Industry, Authors: A. Valenzuela, M. Sanchez, E. Vircikova), University of Concepción, Dirección de Docencia, Proyecto Docencia 97-054, 2004, 166 pages (English, ISBN 956-8029-58-3).

- Tecnologías Limpias en la Industrias Extractivas Minero-Metalúrgica y Petrolera, Proceedings of the Jornadas Iberoamericanas, Santa Cruz, Bolivia, 12-16 Junio, 2006 (R. Villas Boas, M. Sanchez, Eds.) Red Alfa-Cyted, 22 papers, 344 pages (ISBN 85-7227-236-4).

- Minor Element Contaminants in Copper Metallurgy, Proceeding of the First Meeting held in Concepción, Chile, October 25-26, 2007 (J. Alvarez, R. Padilla, R. Parra, M. Sánchez, F. Vergara; Eds.), 18 papers, 200 pages (ISBN 978-956-227-315-2).

- Advances in Cleaner Technologies for the Mining and metallurgical Industry, Proceedings of the VIII International Conference on Clean Technologies for the Mining Industries, Santiago, Chile, April 13-16, 2008 (M. Sánchez, A. Valenzuela, E. Chaparro, A. Reghezza, J. Alvarez; Eds.), 32 papers, 387 pages (ISBN 978-956-227-319-0).

- Molten 2009, Proceedings of the VIII International Conference on Molten Slags, Fluxes and Salts, Santiago, Chile, January 18-21, 2009 (M. Sanchez, R. Parra, G. Riveros, C. Diaz, Eds.), 139 papers, 1433 pages (ISBN 978-956-8504-20-5).

Texts Edited at the Metallurgical Department of the University of Concepcion (Spanish or English)

Fundamental thermodynamics relationships for Extractive Metallurgy, 37 pages. 1982.

Pyrometallurgy of Copper - I Part – Thermodynamics and Gas Solid Reactions. 110 pages., 1984.

Application of Physicochemical principles to Pyrometallurgical Processes, 135 pages. 1991.

Clean Technologies for the Copper Industry (Chap. I: 98 pages; Chap. II: 37-pages) 1999

-M. Sánchez, R. Sangiorgi, L. Coudurier, N. Eustathopoulos. Influence des additions de Pb et de Sn sur la ductilité du cuivre OFHC entre la température ambiante et 1000ºC. Mem. et. Et. Sci. Rev. Metallurgie, Fevrier 1981, 101-109. (French)

-M. Sánchez, R. Sangiorgi, N. Eustathopoulos. On the embrittlement of copper by liquid lead inclusions. Scripta Metallurgia Vol. 15, 1981, 737-738. (English)

-M. Sánchez, L. Coudurier, N. Eustathopoulos. Microestructure d'equilibre et tensions interfaciales dans le systemes biphases solide-liquide Cu-Pb-M (M:Ag, Ni, Sn, Sb). Mem. et Et. Sci, Rev. Metallurgie, November 1981, 607-617. (French)

-M.A. Sánchez, B.S. Terry. An Alternative Process to Resolve Pollution by Sulphur and Arsenic in Copper Industry. Eng. Faculty, Journal, University of Concepción, 1 May, 1991, 33-36 (Spanish).

-B.S. Terry, G. Riveros, M. Sánchez, J.H.E.Jeffes "Lime-concentrate process for roasting of copper-bearing sulphides - part. 1: Analysis of optimum roasting conditions" Tras. IMM, Section C, Vol. 103, Sept.-Dec, 1994, C 193-C200 (English).

-C. Camurri, M. Sánchez "Rolling of Fire Refined Copper" Revista Latinoamericana de Transferencia Tecnológica (ISSN: 0716-8756) Vol. 6, Nº 6, Nov. - Dic 1995 (Spanish)

-I. Imris, S. Rebolledo, M. Sánchez, S. Castro, G. Achurra, F. Hernández “The copper losses in the slags from El Teniente Process”. Acta Metallugica Slovaca, 4, 3/1998, 69-78 (English)

-M. Sánchez, S.H. Castro, F. Vergara “Environmental analysis of the Copper chilean Industry”. Rev. Minería Chilena, Nº 219, Dec, 1998, pp. 65-66 (Spanish)

-P. Baláz, M. Achimovitová, M. Sánchez, R. Kammel “Attrition Grinding and Leaching of Enargite Concentrate”.Metall, 53, Jahrgang, Nº 1-2/1999, pp.53-56 (English)

-M. Achimovitová, P. Baláz, Z. Bastl, M. Sánchez “Characterization of the solid residue of enargite Cu3AsS4 after alkaline leaching”. Physicochemical Problems of Mineral Processing, 33 (1999), 7-14. (English)

-I. Imris, S. Rebolledo, M. Sánchez, S. Castro, G. Achurra, F. Hernandez “The copper losses in the slags from the El Teniente process”, Canadian Metallurgical Quarterly, Vol 39, Number 3, July 2000, pp 281-289 (English).

-P. Baláz, M. Achimovitová, Z. Bastl, T. Ohtani, M. Sánchez “Influence of mechanical activation on the alkaline leaching of enargite concentrate”, Hydrometallurgy 54 (2000) 205-216 (English)

-M. Sanchez, R. Jara “Clean Production in Large Copper mining”, Ecoamerica No. 16, Abril 2002, 7-9 (Spanish)

-S. Castro, M. Sánchez, M., “Environmental viewpoint on Small-scale Copper, Gold and Silver Mining in Chile", Journal of Cleaner Production 11 (2003) 207-213 (English)

- E. Balladares, A. Gonzalez, R. Parra, M. Sánchez “Fijación de arsénico en fase gas con hematita sólida”, Rev. Metalurgia Madrid 40 (2004) 384-388 (Spanish)

- C. Gonzalez, R. Parra, A. Klenovcanova, I. Imris, M. Sanchez “Reduction of Chilean copper slags: a case of waste management project”, Scandinavian Journal of Metallurgy, 2005; 35: 1-7(English)

- I. Imris, M. Sanchez, G. Achurra “Copper losses to slags obtained from the El Teniente process”, Trans. Inst. of Mining and Metallurgy C, September 2005, Vol 114, C135-C140 (English)

- F. Parada, M. Sanchez, A. Ulloa, J. C. Carrasco, J. Palacios, A. Reghezza “Recovery of molybdenum from roasted copper slags”, Trans. Inst. Of Mining and Metallurgy C, 2010 VOL 119 NO 3, C171-C174 (English)

-R. Sangiorgi, M. Sánchez, N. Eustathopoulos. Influenza delle inclusione liquide d'piombo e piombo stagno nella dutillita a caldo del Rame. Gionate Genovesi di Metalurgia. III Convegno Sullo Stato Metallico. Genova (ITALIA) 19-21, May 1979, 42-44. (Italian)

-R. Sangiorgi, M. Sánchez, N. Eustathopoulos. Fragilizzazioni del Rame da Piombo Liquide. IX Convegno Nazionale dell'Associazione Italiana per l'analisi delle sollecitazioni. Trieste, (ITALIA) 23-26 Sept. 1981., 25-32. (Italian)

-R. Sangiorgi, L. Coudurier, M. Sánchez, N. Eustathopoulos. Mechanical Properties of Copper and Pb-Sn Alloys at High Temperatures. II Congreso Nacional de Metalurgia, Concepción (CHILE), 5-9 October, 1981, 551-564 (Spanish).

-L. Coudurier, N. Eustathopoulos, M. Sánchez. Relatives values of interfacial and intergranular tensions after the morphology of inclusions in the biphase system Cu-Pb-Metal of addition. Jornadas de Metalurgia, Córdova (ARGENTINA) April 1982, 385-408 (Spanish).

-M. Sánchez, F. Vergara. Impurities presents in copper: Their effects and control during electrorefining. III Meeting Mines Eng. Copiapó (CHILE), October 1982, 235-250 (Spanish).

-M. Sánchez, J.C. Leseigneur. Stability of copper and iron compounds in roasting. A graphic approach with a minicomputer. II Meeting Mines Eng. Copiapó (CHILE), October 1982, 258-272 (Spanish).

-M. Sánchez, J.C. Leseigneur, Characterization of concentrate roasting through stability diagrams. Three Dimensional Construction of the Cu-Fe-S-O System. I Meeting of the Southern Hemisphere of Mineral Tech., Rio de Janeiro (BRASIL), December 1982, 836-847 (Spanish).

-M. Sánchez. Liquid Metal Corrosión, VI Latinamerican Meeting of Electrochemistry and Corrosion, Oaxtepec (MEXICO) 15-20 May 1983, 301-302. (Spanish)

-R. Sangiorgi, M. Sánchez, P. Cañete. Deformation of Copper and Copper Alloys in 27-1000ºC Temperature range. III National Meeting of Metallurgy. Santiago (CHILE) 24-28 October 1983. A468-A473. (Spanish).

-G. Ahlborn, M. Sánchez, A. Luraschi. Stability Diagram for the System Cu-Mo-S-O. III National Meeting of Metallurgy, Santiago (CHILE), 24-28 October, 1983, B177-B185. (Spanish).

-M. Sánchez, J. Acuña, A. Luraschi. Experimental Study of Slag Metal Equilibrium in the System Cu-Fe-O. 1984. Extractive and Process Metallurgy Meeting and Second International Symposium on Metallurgical Slags and Fluxes. Nevada (USA), 11-14 November 1984, 757-775. (English)

-J. Acuña, M. Sánchez, A. Luraschi. Metal-Slag and Slag Gas Equilibria in the Cu-Fe-O System. Interamerican Workshop on Alloy Theory and Phase Equilibria. Buenos Aires, (ARGENTINA), 12-15 August 1985, 91-95. (English)

-J. Espinel, M. Sánchez, A. Luraschi. The prediction of copper and iron activities in copper pyrorefining slags. II Meeting of the Southern Hemisphere on Mineral Technology, Rio de Janeiro, (BRASIL), 25-29 May 1987, 635-650. (English)

-M. López, M. Sánchez, P. Cañete, F. Grossman Deformation behaviour of copper and copper-lead alloys in the 300-1273 K Temperature Range. IX Interamerican Conference on Materials Technology Santiago (CHILE), 5-9 October 1987, 265-268 (Spanish).

-M. Bustos, M. Sánchez. The Modelling of Pyrometallurgical Process by a Thermodynamical Approach. International Conference Copper '87. Viña del Mar (CHILE), 30 Nov - 3 Dec. 1987. 473-487. (English)

-L. Retamal, H. Méndez, M. Sánchez. Applied Automation to Smelting and Converting Processes of Copper Concentrates. III Latin-American Meeting of Automation. VIII Congress Chilean Association Automatic Control, Viña del Mar (CHILE), November 1988, 140-144. (Spanish)

-M. López, M. Sánchez, M. Valenzuela, F. Grossman. Deformation and Fracture of Electro refined Copper. I Meeting ALAMET, Rio de Janeiro, (BRASIL), 27 Nov-02 December 1988, 1155-1161 (Spanish).

-López, M. Sánchez, V. San Martín, M. Valenzuela. Copper Embrittlement by Sb and O at High Temperatures. X Interamerican Conference on Materials Technology, San Antonio (USA), April, 1989, (Spanish).

-M. López, M. Sánchez. Effect of Antimony on Mechanical Properties of Copper During Metal Forming. First French-Chilean Symposium in Chemistry, Santiago (Chile) 27 August - 01 September, 1989. 475-479 (Spanish).

-L. Retamal, G. Larenas, M. Sánchez. Automation of Copper Concentrates Smelters. 6th IFAC Symposium in Mining, Mineral and Metal Processing. Buenos Aires (Argentina), 4-8 September 1989, 473-477. (English)

-M. Cerna, M. Sánchez, A. Luraschi. Thermodynamic Modelling of Copper Smelting Systems Using a Personal Computer. Third Bienal Conference and Computer Software for Chemical and Extractive Metallurgy Calculations. Rolla (U:S:A:) 4-8 June 1989. (English)

-M. Sánchez, B. Terry. Stability of Cupric Ferrite at Temperatures concerned to Copper Pyrometallurgy. I Congress IBEROMET, VI National Meeting Metallurgy, Santiago (CHILE), 11-18 November 1990. 93-101 (Spanish).

-M.A. Sánchez, B.S. Terry. Thermodynamical and Experimental Antecedents to Neutralise Arsenic in Copper Smelter Plants. 42nd Meeting, IIM, Chile, Concepción, Oct. 1991. (Spanish)

-M. López, M. Sánchez "Evaluation of harmful impurities in Electro refined copper". Proceedings of the meeting about different Research held on Economical Geology in Chile, 26-27 Mayo 1991, University of Concepción, Chile, p. 75. (Spanish)

-L. Retamal, M. Sánchez "Estimating of smelting furnace temperature using the concentrate and slag compositions" CONAMET VII, Oct. 20-23, 1992. Concepción, Chile. (Spanish)

-M. López, M. Sánchez, R. Morales, F. Grossmann. The Antimony Effect in Maps of Deformation Mechanisms for Copper. (Presented at Argentinian Metallurgical Meeting, "SAM 92", Rosario, Argentina, May 1992) (Spanish)

-M.A. Sánchez, "Arsenic and sulphur neutralization in copper Concentrates". I Meeting on Clean Technologies for the Copper Industry, Concepción, Chile, March, 1992. p. 63-72. (Spanish)

-M. López, M. Sánchez, C. Camurri, and F. Grossman. "Impurities such as Selenium, Antimony and Iron in commercial Coppers and their undesirable effects in Mechanical application". First International Conference on Processing Materials for Properties. T.M.S. Hawaii, Honolulu, Nov. 1993. (English)

-B.S. Terry, M.A. Sánchez, A.G. Ulloa "Calcium oxide as a reagent for the capture of arsenic emissions during the roasting of enargite (Cu3AsS4)" TMS-International Symposium on Extraction and Processing for the treatment and Minimisation of Wastes, San Francisco, USA, Feb 27 - March 3, 1994. (English)

-C. Camurri, M. López, M. Sánchez, J. Soto "Fire refined copper. Effect of oxygen on the Ductility" EPD Congress Annual Meeting TMS, San Francisco, USA, March 1994. pp. 601-613 (English)

-A. Ulloa, M. Sánchez, B.S. Terry "Use of CaO for preventing emissions of Arsenic in copper industry" II Meeting on Clean Technologies for the copper industry, EXPOMIN '94, Santiago, Chile, May 11-13, 1994 pp. 125-134. (Spanish)

-C. Camurri, M. Sánchez, "Forming of copper fire refined. Effect of oxygen content" en CONAMET VIII - ALAMET III; August 9-12, 1994. Antofagasta, Chile. (Spanish).

-A. Ulloa, M. Sánchez, B. S. Terry "Lime roasting of enargite" The IMM Pyrometallurgy'95, Cambridge, UK, July 1995, pp. 275 - 283. (English).

-B.S. Terry, M. Sánchez "Environmentally friendly processing of copper minerals bearing arsenic and/or sulphur by pyrometallurgical routes" in Copper'95, Nov. 1995, pp. 337-345. Santiago, Chile (English)

-Y. Fan, R. Padilla, M.Sánchez, I. Wilkomirsky "Arsenic removal from copper concentrate by neutral and oxidising roasting" in Clean Technologies for the Mining Industry, May 1996, Santiago, Chile, pp.299-311 (English)

-R. Padilla, Y. Fan, M.Sánchez, I. Wilkomirsky “Arsenic Volatilisation from enargite concentrate” in 1997 EPD Congress, February, 1997, pp 73-83, Orlando, Florida (USA) (English)

-Y. Fan, R. Padilla, M.Sánchez, I. Wilkomirsky, “Arsenic abatement in copper extraction (Part I. Thermodynamic stability or arsenic compounds during roasting”, in V Southern Hemisphere Meeting on Mineral Technology, May 1997, pp 225-228, B. Aires (Argentina) (English)

-S. Castro, F. Vergara, M. Sánchez “Clean Technology for the Mining & Metallurgical Industry” First National Meeting on Environment and Mining Safety, Lima. Perú, June 1997, pp. 59-71 (Spanish)

-R. Padilla, Y. Fan, M.Sánchez, I. Wilkomirsky “Processing High Arsenic Copper Concentrates” In Environment & Innovation in the Mining and Mineral Technology (Proceedings of the IV Conference on Clean Technologies for the Mining Industry) May 1998, Santiago, Chile) pp 603-612 (English)

-S.H. Castro, M. Sánchez, F. Vergara, E. Oyaneder “Water and Slurry wastes assessment in the Chilean copper industry” in Environment & Innovation in the Mining and Mineral Technology (Proceedings of the IV Conference on Clean Technologies for the Mining Industry) May 1998, Santiago, Chile) pp 1005-1016 (English)

-P. Baláz, M. Achimovitová, M. Sánchez “Selective Leaching of Arsenic from Mechanically Activated Enargite” in Environment & Innovation in the Mining and Mineral Technology (Proceedings of the IV Conference on Clean Technologies for the Mining Industry) May 1998, Santiago, Chile, pp 297-303 (English)

-M. Sánchez “Main environmental problems in mining and some technological solutions” in X CONAMET (Invited Plenary Conference), Oct. 1998, Copiapó, Chile, (Spanish)

-M. Sánchez “An strategic point of view for further relationship with the mining industry in Chile”, 49 IIMCh Convention, Oct. 1998, Marbella, Chile, pp 391-399 (Spanish)

-S. Castro, M. Sánchez, F. Vergara “An environmental & Technical point of view for the Mining Industry in Chile”, XXIV Peruvian Mining Eng. Convention, September 1999, Arequipa, Perú., CD Edition, (Spanish)

-F. Ríos, M. Sánchez, F. Vergara “The use of glacileria chilensis biomass for heavy metals adsorption in a mine waste water” in Mineral Processing/Environment, Health and Safety (Vol II) Proceedings of the Copper’99 Conference, Oct’99, Arizona, USA, pp 399-413, (English)

-S. Castro, M. Sánchez, F. Vergara “Environmental problems and effluent treatment in the Chilean copper industry” in Mineral Processing/Environment, Health and Safety (Vol II) Proceedings of the Copper’99 Conference, Oct.’99, Arizona, USA., pp 297-305, (English)

-M. Sanchez “Regulation and effective management of hazardous residues in mining and metallurgical plants” Symposium on Emerging Topics for Andes Mining Industry, organising by the Institute of Americas, Santiago, 18 y 19 de November, 1999 , Published in: www.iamericas.org (Spanish).

-A. Valenzuela, K. Fytas, M. Sánchez “Arsenic management in pyrometallurgical processes. Part I: Distribution in Smelting/Converting” in Environmental Improvements in Mineral Processing and Extractive Metallurgy, proceedings of the V International Conference on Clean Technologies for the Mining Industry, Santiago, Chile, 9-13 May, 2000, pp 95-105, (English).

-A. Valenzuela, K. Fytas, M. Sánchez “Arsenic management in pyrometallurgical processes. Part II: Recovery and Disposal” in Environmental Improvements in Mineral Processing and Extractive Metallurgy, proceedings of the V International Conference on Clean Technologies for the Mining Industry, Santiago, Chile, 9-13 May, 2000, pp 107-121, (English).

-M. Sánchez, M. Campos, V. Castelletto, J. Palacios “Environment and development in the Chilean Iron and Steel Industry. A sustainability approach” Proceedings of the ICSS 2000, International Conference on Steel and Society, Osaka, Japan, June 4-6, 2000 (Ed. By the Iron and Steel Institute of Japan), pp 259-264 (English).

-S. Rebolledo, M. Sánchez, F. Puchi, I. Imris “Physicochemical characterisation and industrial evaluation of converter slags”, Proceedings of the Sixth International Conference on Molten Slags, Fluxes and Salts, Stockholm, Sweden & Helsinki, Finland, 12-17 June, 2000, CD containing proceedings, ISBN 91-7170-606-2 (English).

-E. Balladares, R. Parra, M. Sánchez “Neutralisation of Arsenic from gas smelters at high temperatures, using iron oxide” Proceedings of the VI Southern Hemisphere Meeting on Mineral Technology Conference, Rio de Janeiro, Brazil, May 2001, pp 371-375 (English).

-A.Valenzuela, K. Fytas, M. Sánchez “Arsenic Management in the Chilean Copper Metallurgical Industry” Proceedings of the VI Southern Hemisphere Meeting on Mineral Technology Conference, Rio de Janeiro, Brazil, May 2001, pp 366-370 (English).

-A. Valenzuela, M. Sánchez “Arsenic Management in the Chilean Metallurgical Industry” Proceedings of the VII Mining Meeting of the Tarapaca Región, Iquique (Chile), August 2001, pp II1-II9 (Spanish).

-A. Valenzuela, M. Sánchez “Arsenic Management in Metallurgical Processes: Neutralisation and Recovery” Proceedings of the VII Mining Meeting of the Tarapaca Región, Iquique (Chile), August 2001, pp II25-II35 (Spanish).

-E. Balladares, R. Parra, M. Sánchez “Neutralisation of Arsenic from smelter gases at high temperatures, using iron oxide” Proceedings of the VII Mining Meeting of the Tarapaca Región, Iquique (Chile), August 2001, pp III91-III99 (Spanish).

-F. Marquez, M. Sánchez, J.C. Carrasco “Management of hazardous substances and residues in the mining industry” Proceedings of the VII Mining Meeting of the Tarapaca Región, Iquique (Chile), August 2001, pp II81-II92 (Spanish).

-S.H. Castro, M.A. Sánchez “An Environmental view to the Chilean Copper Industry” Proceedings of the IX Balkan Mineral Processing Congress, Istambul (Turkey) 11-13 September 2001, pp 559-564 (English)

--M. Sanchez “Towards a Clean Production in the Mining Industry” in Proceedings of the International Seminar on New Iniciatives in the Mining Sector (CD edited by COCHILCO, May 2002), EXPOMIN’2002, Santiago, Chile, 8,9 May, 2002 (English).

- M. Sánchez, J. Palacios and M. Torres “Study of the Particles Emissions from Copper Smelting and Converting Processes at Ilo Smelter”, in Proceedings of the V International Conference on Metallurgy, Refractories and Environment, High Tatras, Slovakia, 13-17 May, 2002 (English)

-J. Palacios, M. Sánchez, H. Polanco “Arsenic behaviour on the silver Pyrites roasting” in Proceedings of the V International Conference on Metallurgy, Refractories and Environment, High Tatras, Slovakia, 13-17 May, 2002, pp 269-274 (English).

-M. Sanchez, S. Castro “Abatement Technology and Pollution Prevention in the Chilean Copper Industry” in Proceedings of the V International Conference on Metallurgy, Refractories and Environment, High Tatras, Slovakia, 13-17 May, 2002, pp 329-337 (English).

-J. Bengoa, J. Palacios, M. Sánchez “Effect of oxygen enrichment in El Teniente Converter productivity at the Ilo Smelter Plant, Peru”, in Proceedings of TMS Yazawa International Symposium on Metallurgical Thermochemistry and Materials Processing , USA (Kongoli, Itagaki, Yamauchi, Sohn, Eds.), San Diego, USA, March 2003, pp 351 (English).

-A. Valenzuela, J. Palacios, D. Cordero, M. Sanchez “The Chilean Copper Metallurgical Industry: An update”, in Proceedings of TMS Yazawa International Symposium on Metallurgical Thermochemistry and Materials Processing , USA (Kongoli, Itagaki, Yamauchi, Sohn, Eds.), San Diego, USA, March 2003, pp 239 (English).

-A. González, E. Balladares, R. Parra, M. Sanchez “Use of solid Hematite to fix Arsenic contained in a gas phase”, in Proceedings of TMS Yazawa International Symposium on Metallurgical Thermochemistry and Materials Processing , USA (Kongoli, Itagaki, Yamauchi, Sohn, Eds.), San Diego, USA, March 2003, pp 625 (English).

-A. Vizcarra, J. Palacios, M. Sanchez “Usage of acid plant liquid effluent as processing water at Ilo Copper Smelter Plant, Peru”, Copper 2003 Conference, Vol. II – Health, Environment and Sustainable Development (G. E. Lagos, A. E. M. Warner, M. Sánchez, Eds.), Santiago, Chile, Nov-Dec, 2003, pp 217-228 (English).

- N. Eustathopoulos, R. Parra, M. Sanchez “Role of capillarity in corrosion of refractories by melts”, Copper 2003 Conference, Vol. IV – Pyrometallurgy of Copper – Book 2 (C. Diaz, C. Landolt, T. Utigard, Eds.) Santiago, Chile, Nov-Dec, 2003, pp 457-471 (English).

- P. Balaz, M. Achimovicova, J. Ficeriova, E. Godocikova, C. Villachica, M. Sanchez “Mechanochemistry of copper minerals: New challenges in extractive metallurgy”, Copper 2003 Conference, Volume VI - Hydrometallurgy of Copper -Book 1 (P. A. Riveros, D. Dixon, D. Dreisinger, J. Menacho, Eds.) Santiago, Chile, Nov-Dec, 2003, pages 353-365 (English).

-M. Sánchez, F. Parada,R. Parra, F. Márquez, R. Jara, J. C. Carrasco, J. Palacios “Management of copper pyrometallurgical slags: giving additional value to the copper mining industry” VII Int. Conference on Molten Slags, Fluxes & Salts, Cape Town, South Africa, 25-28 January, 2004, pp 543-550 (English).

-C. Morales, J. Palacios, M. Sánchez “Magnetite behaviour in Peirce Smith converters slag at Ilo copper Smelter Plant, Perú”, VII Int. Conference on Molten Slags, Fluxes & Salts, Cape Town, South Africa, 25-28 January, 2004, pp 551-556 (English).

-I. Imris, M. Sánchez, G. Achurra “Copper losses to Slags obtained from the El Teniente process”, VII Int. Conference on Molten Slags, Fluxes & Salts, Cape Town, South Africa, 25-28 January, 2004, pp 177-182 (English).

-M. Sánchez, R. Parra, I. Imris, C. Gonzalez “Direct reduction of Chilean copper slags: a waste treatment alternative” in CD Proceedings of the VI Conference on Clean Technologies for the Mining Industry, Universidad de Concepción, Chile, 18-21 April, 2004.

- E. Vircikova, M. Sánchez, A. Valenzuela “Environmental Issues in the copper metallurgical Industry” Proceedings of the VI International Conference on Metallurgy, Refractories and Environment (P. Pavol, S. Marek, E. Vircikova, Eds), Stara Lesna, High Tatras, Slovakia, May 25-27, 2004 (English)

- M. Sanchez, R. Parra, I. Imris, A. Klenovcanova and C. González “Management of wastes to increase economical value in mining and metallurgical activities”, Metal Separations Technologies III Conference, June 20-24, 2004, Colorado, USA, pp 283-288 (English).

- O. Pavez, F. Rojas, J. Palacios, M. Sanchez “A review of copper pyrometallurgical slags utilization”, 5^th International Symposium on Waste processing and recycling in the mineral and metallurgical industries, August 22 to 25, 2004, Hamilton, Ontario, Canada, pp 291-298 (English).

- F. Parada, T. Besnier, E. Waldron, F. Marquez, M. Sanchez “Recovery of copper and molybdenum from slag of copper smelter plant” presented in the Jornadas Argentinas de Tratamiento de Minerales (JATRAMI), Buenos Aires, Argentina, October, 2004, pp 207-216 (Spanish).-

- E. Balladares, R. Parra, M. Sanchez, J. Palacios “An approach for scaling arsenic removal from smelter gases using iron oxides” Arsenic Metallurgy, TMS’ 2005 Annual Meeting, February, 2005, San Francisco, California, USA Edited by R.G. Reddy and V. Ramachandran TMS (The Minerals, Metals & Materials Society), pp185-193.-

- A. Valenzuela, E. Balladares, M. Sánchez, D. Cordero “Arsenic management in the Metallurgical Industry: the Chilean experience” Sohn Conference, San Diego, USA, August 27-31, 2006, pp 406-422.-

- A. Bezama, M. Sánchez “State-of-the-art management technologies for contaminated soils and groundwaters with focus on copper industry”, Hydroprocess 2006, Santiago, Chile (E. Domic, J. Casas, Editors), pp 575-587.

- M. Sanchez “Importancia del desarrollo de Tecnologías Limpias para la Industria del cobre” in Tecnologías Limpias en las Industrias Extractivas Minero-Metalúrgica y Petrolera, Jornadas Iberoamericanas CFCE de Santa Cruz de la Sierra, Bolivia, 12-16 June, 2006, pp 17-32.

- M. Sánchez, “Tecnologías Limpias para el cobre” in VII Conferencia Internacional sobre Tecnologías Limpias para la Industria Minera, Rio & Buzios, Brazil, 18-22 October, 2006.

- A. Bezama, M. Sánchez “Management of contaminated soil and ground waters from the point of view of the Chilean copper industry”, in Copper’2007 Conference, Sustainable Development HS&E, and Recycling, Vol VI, ISBN 1-894475-76-3, pp 331-342, August 25-30, 2007, Toronto, Canada (English).

- M. Sanchez, A. Valenzuela “Regulatory tendencies and abatement technologies used in the Chilean copper industry”, in Copper’2007 Conference, Sustainable Development HS&E, and Recycling, Vol VI, ISBN 1-894475-76-3, pp 55-66, August 25-30, 2007, Toronto, Canada (English).

- F. Parada, J.C. Carrasco, A. Reghezza, J. Zuñiga, C. Caballero, M. Sanchez “Molybdenum recovery from copper smelter slags”, in Copper’2007 Conference, The Carlos Diaz Symposium on Pyrometallurgy, Vol III Book 2, ISBN 1-894475-73-9, pp 95-107, August 25-30, 2007, Toronto, Canada (English).

- I.M. Alomia, V. Torres, J.C. Carrasco, R. Hernandez, M. Sanchez “ Revegetation assesment in mining sites through hyper spectral techniques”, Proceedings of the second International Seminar on Mine Closure (16-19 October, 2007, Santiago, Chile), Eds. A. Fourie, M. Tibbett, J. Wiertz; ISBN 978-0-9804185-0-7, pp 847-858 (English).

- M. Sánchez, E. Balladares, A. Valenzuela, R. Parra “Direct capture of Arsenic from copper smelters”, in Minor Element Contaminants in Copper Metallurgy, Proceeding of the First Meeting held in Concepción, Chile, October 25-26, 2007, J. Alvarez, R. Padilla, R. Parra, M. Sánchez, F. Vergara; Eds., ISBN 978-956-227-315-2), pp 159-167 (English).

- I.M. Alomia, V. Torres, J.C. Carrasco, R. Hernandez, M. Sanchez “Caracterización de resíduos mineros y su impacto ambiental mediante técnicas hiperespectrales”, VII Meeting of the Southern Hemisphere on Mineral Technology, November 20-24, 2007, Ouro Preto, Brazil, Volume I, pp 83-89 (English).

- Ilia Mercedes Alomía, Violeta Torres, Juan Carlos Carrasco, Rolando Hernández,Mario Sánchez “Risk Assessment and GIS modelling of AMD and seepage through Hyperspectral Techniques”, VIII CTWMI Conference, Santiago (Chile); M. Sanchez, A. Valenzuela, E. Chaparro, A. Reghezza, J. Alvarez, Eds., ISBN 978-956-227-319-0, April 13-16, 2008, pp 239-251, (English).

^-D. Busolic, J. Carrasco, A. Ulloa, F. Parada, M. Sánchez “Recovery of by-products from Chilean copper slags”, VIII CTWMI Conference, Santiago (Chile); M. Sanchez, A. Valenzuela, E. Chaparro, A. Reghezza, J. Alvarez, Eds., ISBN 978-956-227-319-0, April 13-16, 2008, pp 57-72, (English).

-D. Busolic, F. Parada, R. Parra, E. Urday, J. Palacios, M. Hino, F. Cox, A. Sanchez. M. Sanchez, “Recovery of Iron from copper flash smelting slags”, VIII International Conference Molten2009, Santiago, Chile, (M. Sanchez, R. Parra, G. Riveros, C. Díaz, Eds.), ISBN 978-956-8504-20-5, January 18-21, 2009, pp 621-628 (English).

-Ch. Goñi, M. Sanchez “Modelling of copper content variation during “El Teniente” slag cleaning process”, VIII International Conference Molten2009, Santiago, Chile, (M. Sanchez, R. Parra, G. Riveros, C. Díaz, Eds.), ISBN 978-956-8504-20-5, January 18-21, 2009, pp 1203-1210 (English).

-F. Parada, R. Parra, T. Watanabe, M. Hino, J. Palacios, M. Sanchez “Recovery of Iron-Molybdenum alloys from copper smelter slags”, VIII International Conference Molten2009, Santiago, Chile, (M. Sanchez, R. Parra, G. Riveros, C. Díaz, Eds.), ISBN 978-956-8504-20-5, January 18-21, 2009, pp 1273-1280 (English).

-D. Busolic, F. Parada, R. Parra, A. Ulloa, J.C. Carrasco, J. Palacios, A. Reghezza, C. Caballero, J. Zuñiga, M. Sanchez “Recovery of Molybdenum from roasted copper slags”, VIII International Conference Molten2009, Santiago, Chile, (M. Sanchez, R. Parra, G. Riveros, C. Díaz, Eds.), ISBN 978-956-8504-20-5, January 18-21, 2009, pp 1281-1287 (English).

M. Sánchez, J. Palacios “Processing of copper slag for the iron and steel industry”, International Symposium on Highly Innovative Novel Operations “Future Steelmaking Metallurgy” (to honour Dr. M. Hino), Tokyo, Japan, 23-25 May, 2010, pp 21-28 (English).

- J. Palacios, M. Sánchez “The behavior of magnetite content in copper slags on the molybdenum recovery via acidic leaching”, Copper2010 Conference Vol 5 (Hydrometallurgy), Hamburg, Germany, ISBN 978-3-940276-29-2, June 6-10, 2010, pp 2029-2037 (English).

- J. Palacios, M. Sánchez “Wastes as resources: an update on recovery of valuable metals from copper slags”, presented in the Seminar on Materials processing towards properties (to honour Prof. S. Seetharaman), Sigtuna, Sweden, 14-15 June, 2010.

- F. Vergara, F. Parada, M. Sánchez “Un caso paradigmático de manejo de aguas en minería subterránea en Chile: caso de la Mina El Teniente”, presentada en la Primera Jornada Iberoamericana de Medio Ambiente Subterráneo y Sostenibilidad, Métodos de Explotación y Ambiente Subterráneo, MASyS 2010-1, Ayacucho, Perú, 30 Junio al 2 de Julio, 2010, pp 2-16 (Spanish).

- M. Sánchez, F. Parada, F. Vergara, “Regulaciones y desafíos ambientales en la minería Chilena”, presentada en la Primera Jornada Iberoamericana de Medio Ambiente Subterráneo y Sostenibilidad, Métodos de Explotación y Ambiente Subterráneo, MASyS 2010-1, Ayacucho, Perú, 30 Junio al 2 de Julio, 2010, pp 246- 258 (Spanish).