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Oscar Alfonso Jerez Riveros

Ingeniero Metalurgista

Universidad de Concepción

Concepción, Chile

Geometalurgia; Hidrometalurgia; Mineralogía aplicada

Magister Mineralogía Aplicada, UNIVERSIDAD DE CONCEPCION. Chile, 2009
Doctorado en Ingeniería Metalúrgica, UNIVERSIDAD DE CONCEPCION. Chile, 2015
Ingeniero Civil Metalúrgico, UNIVERSIDAD DE CONCEPCION. Chile, 2006

Profesor Asociado Full Time

UNIVERSIDAD DE CONCEPCION

Instituto de Geología Económica Aplicada

Concepción, Chile

2009 - At present

Ingeniero Metalurgista

Universidad de Concepción

Chile

2007 - 2009
Ingeniero de Procesos

Cía. Minera Carmen de Andacollo

Chile

2006 - 2007


Ammoniacal System Mechanisms for Leaching Copper from Converter Slag Aracena, Alvaro; Valencia, Andres; Jerez, Oscar Article ISI METALS (2020)
Assessment of Mineralogical, Textural, and Water Chemistry Changes During Long-Distance Tailings-Slurry Transport Alcalde J.; Edraki M.; Jerez O.; Kelm U.; Rubinos D.A. Article ISI SCOPUS MINE WATER AND THE ENVIRONMENT (2020)
Enargite leaching under ammoniacal media with sodium persulfate and consecutive precipitation of As/Cu with Na2S/NaHS Aracena A.; RodrÃguez E.; Jerez O. Article ISI SCOPUS Hydrometallurgy (2020)
Mechanism and Kinetics of Malachite Dissolution in an NH4OH System Aracena, Alvaro; Pino, Javiera; Jerez, Oscar Article ISI METALS (2020)
Converter slag leaching in ammonia medium/column system with subsequent crystallisation with NaSH Aracena A.; FernÃ¡ndez F.; Jerez O.; Jaques A. Article ISI SCOPUS HYDROMETALLURGY (2019)
Dissolution kinetics of secondary covellite resulted from digenite dissolution in ferric/acid/chloride media Aracena A.; Espinoza C.; Jerez O.; Carvajal D.; Jaques A. Article ISI SCOPUS PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING (2019)
Mechanism and leaching kinetics of molybdenite concentrate in a hydrogen peroxide-acid system Aracena, A; Azocar, A; Ibanez, JP; Jerez, O Article ISI SCOPUS PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING (2019)
Recovery of cobalt ions from diluted solutions by means of protonated dry alginate beads Aracena A.; Padilla S.; Jerez O. Article ISI SCOPUS PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING (2019)
Uptake of copper ion using protonated dry alginate beads from dilute aqueous solutions Aracena A.; Álvarez C.; Jerez O.; Guajardo N. Article ISI SCOPUS PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING (2019)
Dissolution kinetics of molybdite in KOH media at different temperatures Aracena, A; Sanino, A; Jerez, O Article ISI SCOPUS TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA (2018)
Experimental study of the fine particles effect on the shear strength of tuff zeolites Villalobos, F; Leiva, E; Jerez, O; Poblete, M Article Revista de la Construcción (2018)
Neutralization and co-precipitation of heavy metals by lime addition to effluent from acid plant in copper smelter Balladares, E; Jerez, O; Parada, F; Baltierra, L; Hernández, C; Araneda, E; Parra, V Article Minerals Engineering (2018)
Dehydration-hydration reactivity of laumontite=> analyses and tests for easy Bravo, A; Jerez, O; Kelm, U; Poblete, M Article Clay Minerals (2017)
Elution of nickel ions from alginate beads in an acid media. Aracena, A; Cárcamo F.; Jerez, O; Constanzo, R Article ISI SCOPUS REVISTA DE METALURGIA (2016)
Induction heating consolidation of TiO2 sol-gel coating on stainless steel support for photocatalysis applications D. Vasquez, O. Jerez, Ricardo Schrebler, C. Carlesi, D. Carvajal, N. Cáceres, Rodrigo Schrebler Article PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING (2016)
Kinetics of the Cupric Catalyzed Oxidation of Fe-II by Oxygen at High Temperature and High Pressure Ruiz, M.C.; Jerez, O; Padilla, R Article ISI SCOPUS MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW (2016)
Pyrite oxidation kinetics in an oxygen-nitrogen atmosphere at temperatures from 400 to 500ºC Aracena, O. Jerez, R. Ortiz Article CANADIAN METALLURGICAL QUARTERLY (2016)
Senarmontite volatilization kinetics in nitrogen atmosphere at roasting/melting temperatures Aracena, A; Jerez, O; Antonucci, C Article ISI SCOPUS TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA (2016)
The depressing effect of clay minerals on the floatability of chalcopyrite L. Gutierrez, L. Uribe, O. Jerez Article Mineral Processing and Extractive Metallurgy Review (2016)
Dissolution of MoS2 concentrate using NaClO from 283 to 373 K Aracena, A; Rubilar, R; Jerez, O; Carvajal, D Article ISI SCOPUS Canadian Metallurgical Quarterly (2015)
Kinetics of Dissolution of Tenorite in Ammonium Media Aracena, A; Vivar, Y; Jerez, O; Vásquez D. Article ISI SCOPUS Mineral Processing and Extractive Metallurgy Review (2015)
Kinetics of the pressure leaching of enargite in FeSO4-H2SO4-O-2 media Padilla, R; Jerez, O; Ruiz, MC Article ISI SCOPUS Hydrometallurgy (2015)
Uptake of nickel ions from aqueous solutions using protonated dry alginate beads Aracena, A; Guajardo, N; Ibanez J.P.; Jerez, O; Carlesi, C Article ISI SCOPUS CANADIAN METALLURGICAL QUARTERLY (2015)
The influence of rock characteristics on acid leach extraction and re-extraction of Cu-oxide and sulfide minerals Helle S.; Jerez, O; Kelm, U; Pincheira, M; Varela B. Article ISI SCOPUS Minerals Engineering (2010)


Mineralogy of tailings: Challenges to usual routines of characterization Kelm U.; Baumgartl, T; Edraki, M; Gutiérrez, L; Jerez, O; Morales, J; Novoselov, A ConferencePaper (2019)
Enhanced pressure dissolution of enargite using pyrite or ferrous sulfate Ruiz, M.C.; Jerez, O; Retamal J.; Padilla, R ConferencePaper SCOPUS TMS Annual Meeting (2011)
Geometallurgical study of copper oxide mineralisation hosted in gravels of different physical quality Jerez, O; Pincheira, M; Helle S.; Kelm, U; AvendaÃ±o M. ConferencePaper SCOPUS XXV International Mineral Processing Congress 2010, IMPC 2010 (2010)


Aprovechamiento de residuos agrícolas para mejorar la eficiencia y sustentabilidad del procesamiento de minerales de Cu arcillosos a través de flotación FONDEF (ID18I10117) Proyecto 2019-2020 Coinvestigador(a)
Estudio exploratorio para la definición de líneas de procesamiento que permitan recuperar elementos de valor desde tranques de relaves de la Empresa Nacional de Minería Enami (VRID 60120.567.35) Proyecto 2018-2019 Coinvestigador(a)
Development of protocol procedures to detect the critical blending restrictions in order to optimize the flotation process of low copper grade ores. Corfo (13 CEI2-21844-F1-L1-P2) Proyecto 2015-2018 Coinvestigador(a)
VAPORIZATION OF SB, AS AND BI IN CHLORINATING ROASTING OF SB2S3, CU3ASS4 AND BI2S3 FONDECYT (1150339) Proyecto 2015-2018 Coinvestigador(a)
Preparación y formulación de un programa de Cooperación entre instituciones chilenas y alemán para determinar el potencial de reciclaje de residuos de explotaciones mineras en Chile y comercialización de elementos de valor que de allí se extraigan Corfo (11IDAI-9407) Proyecto 2012-2013 Investigador(a)
Caracterización de fases naturales y sintéticas amorfas y de baja cristalinidad en la industria minera del cobre. La transición de crisocolla, copper pitch a esmectita con Cu y escorias de fundición PCI (281132007) Proyecto 2009-2010 Personal técnico y/o de apoyo
Pressure leaching of arsenical copper concentrates with simultaneous precipitation of arsenic as a stable ferric arsenate FONDECYT (1080289) Proyecto 2008-2011 Personal técnico y/o de apoyo