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Fernando Rafael Valenzuela Lozano

Profesor Titular

UNIVERSIDAD DE CHILE, FACULTAD DE CIENCIAS QUÍMICAS Y FARMACÉUTICAS

Santiago, Chile

Hidrometalurgia; Tratamiento de Aguas Residuales Industriales; Extracción por Solventes, Lixiviación de Minerales y Concentrados, Procesos con Membranas; Operaciones Unitarias; Química Ambiental

Ingeniería Química, KYUSHU UNIVERSITY. Japón, 1983
Químico, UNIVERSIDAD DE CHILE. Chile, 1977
Environmental Engineering, The Centre for Enviromental Sanitation. Bélgica, 1991

Profesor Titular Full Time

UNIVERSIDAD DE CHILE

Ciencias Químicas y Farmacéuticas

Santiago, Chile

1977 - A la fecha

Consultor Other

Empresas Químicas y Mineras

Chile

1985 - A la fecha

Este académico y profesional ha formado cerca de 100 profesionales y científicos químicos e ingenieros a nivel de título profesional, grados de magister y doctorados.

Ha participado difundiendo los avances de su investigación y fruto de sus consultorías en más de 130 congresos nacionales e internacionales. Ha escritos múltiples papers científicos, capítulos de libros y autor de varias patentes de uso industrial (ver todo en CV). Ha dado entrevistas a radio emisoras, artículos de prensa y revistas de difusión profesional y científica.


Cu(II), Cd(II), Pb(II) and As(V) adsorption from aqueous solutions using magnetic iron-modified calcium silicate hydrate: Adsorption kinetic analysis Valenzuela, Fernando; Quintana, Geraldine; Basualto, Carlos; Montes, Gonzalo Article SCOPUS Journal of Water Process Engineering (2021)
Can hydrogen sulphide gas be produced during alkaline leach of enargitic copper concentrates? de Guevara, RL Article ISI SCOPUS Hydrometallurgy (2019)
Recovery and separation of rhenium and molybdenum from aqueous solutions that simulate mine waters using magnetite nanoparticles functionalized with amine-derivative groups Article ISI SCOPUS MINERALS ENGINEERING (2019)
Silica-coated magnetite nanoparticles functionalized with betaine and their use as an adsorbent for Mo(VI) and Re(VII) species from acidic aqueous solutions Alfaro, Ian; Molina, Lorena; Gaete, Jose; Valenzuela, Fernando; Basualto, Carlos Article ISI SCOPUS JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2019)
Synthesis and characterization of magnetite nanoparticles functionalized with organophosphorus compounds and its application as an adsorbent for La (III), Nd (III) and Pr (III) ions from aqueous solutions Article ISI SCOPUS Journal of Molecular Liquids (2019)
Integrated use of magnetic nanostructured calcium silicate hydrate and magnetic manganese dioxide adsorbents for remediation of an acidic mine water Quintana G.; Ide V.; Basualto C.; Montes G. Article ISI SCOPUS Journal of Water Process Engineering (2018)
Synthesis and use of nanomagnetic MnO2 adsorbent for removing Pb(II) and Cd(II) ions from acid aqueous solutions Briso A.; Barrera, K Article ISI SCOPUS DESALINATION AND WATER TREATMENT (2017)
Treatment of acidic mine drainage in an adsorption process using calcium silicate modified with Fe(III) Montes, Gonzalo; Basualto, Carlos; Valenzuela, Fernando Article ISI, Scopus Hydrometallurgy (2017)
Lanthanide sorbent based on magnetite nanoparticles functionalized with organophosphorus extractants Basualto C.; Gaete J.; Molina. L.; Valenzuela F.; Yanez C.; Marco J.F. Article ISI SCOPUS SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS (2015)
Lead sulfate nano- and microparticles in the acid plant blow-down generated at the sulfuric acid plant of the El Teniente mine, Chile Barassi G.M.; Klimsa M.; Borrmann T.; Cairns M.J.; Kinkel J.; Valenzuela F. Article ISI SCOPUS ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS (2014)
The application of diffusion-reaction mixed model to assess the best experimental conditions for bark chemical activation to improve copper(II) ions adsorption Montes Atenas G.; Valenzuela F.; Montes S. Article ISI SCOPUS ENVIRONMENTAL EARTH SCIENCES (2014)
Zn(II) Sorption From Aqueous Solutions Using Polymeric Microcapsules Containing 2-Ethylhexylphosphonic Acid Mono-2-Ethylhexyl Ester Valenzuela F.; Ide V.; Narváez N.; Yanez S.; Luis N.; Basualto C.; Sapag J.; Araneda C. Article ISI SOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN (2014)
Adsorption of pollutant ions from residual aqueous solutions onto nano-structured calcium silicate Article ISI, Scopus Journal of the Chilean Chemical Society (2013)
Near critical and supercritical fluid extraction of Cu(II) from aqueous solutions using a hollow fiber contactor Valdes H.; Sepulveda R.; Romero J.; Valenzuela F.; Sanchez J. Article ISI SCOPUS Chemical Engineering and Processing - Process Intensification (2013)
Release of prednisolone and inulin from a new calcium-alginate chitosan-coated matrix system for colonic delivery Araujo V.; Gamboa A.; Caro N.; Abugoch L.; Gotteland M.; Valenzuela F.; Merchant, HA; Basit, AW; Tapia C. Article ISI SCOPUS JOURNAL OF PHARMACEUTICAL SCIENCES (2013)
STUDY OF THE SOLVENT EXTRACTION OF THE LIGHTER LANTHANIDE METAL IONS BY MEANS OF ORGANOPHOSPHORUS EXTRACTANTS Basualto C.; Valenzuela F.; Molina. L.; Munoz, J. P.; Fuentes E.; Sapag J. Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2013)
EQUILIBRIUM, KINETIC, AND THERMODYNAMIC ANALYSIS OF Cd(II) SORPTION FROM AQUEOUS SOLUTIONS USING POLYMERIC MICROCAPSULES CONTAINING AN ACIDIC ORGANOPHOSPHONIC EXTRACTANT Valenzuela F.; Valdes, A; Ide V.; Basualto C.; Sapag J.; Araneda C. Article ISI SCOPUS Solvent Extraction and Ion Exchange (2012)
Uptake of copper (II) ions from acidic aqueous solutions using a continuous column packed with microcapsules containing a beta-hydroxyoximic compound Araneda C.; Basualto C.; Sapag J.; Tapia C.; Cotoras D.; Valenzuela F. Article ISI SCOPUS Chemical Engineering Research and Design (2011)
A kinetics analysis applied to the recovery of Zn(II) content from mine drainage by using a surfactant liquid membrane Valenzuela F.; Basualto C.; Sapag J.; Romero J.; Holl, W; Fonseca C.; Araneda C. Article ISI SCOPUS Desalination and Water Treatment (2010)
Magnetic manganese dioxide as an amphoteric adsorbent for removal of harmful inorganic contaminants from water Rosas, CAC; Franzreb, M; Valenzuela F.; Holl, WH Article ISI SCOPUS Reactive and Functional Polymers (2010)
MICROENCAPSULATION OF TRIOCTYLAMINE IN POLYMERIC MATRICES FOR REMOVING Zn(II) AND Cu(II) FROM CHLORIDE AQUEOUS SOLUTIONS Fonseca C.; Araneda C.; Yazdani-Pedram M.; Borrmann T.; Basualto C.; Sapag J.; Valenzuela F. Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2010)
The Effect of Chitosan as Internal or External Coating on the 5-ASA Release from Calcium Alginate Microparticles Tapia C.; Molina S.; Diaz A.; Abugoch L.; Diaz-Dosque, M; Valenzuela F.; Yazdani-Pedram M. Article ISI SCOPUS AAPS PHARMSCITECH (2010)
Characterization of chemical kinetics in membrane-based liquid-liquid extraction of molybdenum(VI) from aqueous solutions Valdes H.; Romero J.; Sanchez J.; Bocquet S.; Valenzuela F. Article ISI SCOPUS Chemical Engineering Journal (2009)
Cr(VI) sorption behavior from aqueous solutions onto polymeric microcapsules containing a long-chain quaternary ammonium salt: Kinetics and thermodynamics analysis Barassi, G; Valdes, A; Araneda C.; Basualto C.; Sapag J.; Tapia C.; Valenzuela F. Article ISI SCOPUS JOURNAL OF HAZARDOUS MATERIALS (2009)
Design and Evaluation of Practical Activity for Teaching Pharmaceutical Water Production Tapia C.; Sapag-Hagar, J; Lopez L.; Zunino, GF; Valenzuela F.; Basualto C. Article ISI SCOPUS INDIAN JOURNAL OF PHARMACEUTICAL EDUCATION AND RESEARCH (2009)
Liquid membrane emulsion process for recovering the copper content of a mine drainage Valenzuela F.; Araneda C.; Vargas F.; Basualto C.; Sapag J. Article ISI SCOPUS Chemical Engineering Research and Design (2009)
Investigation on extraction rate of lanthanides with extractant-impregnated microcapsule Karnio, E; Fujiwara, Y; MatsUrnoto, M; Valenzuela F.; Kondo K. Article ISI SCOPUS Chemical Engineering Journal (2008)
Removal of metal ions from aqueous solutions by sorption onto microcapsules prepared by copolymerization of ethylene glycol dimethacrylate with styrene Araneda C.; Fonseca C.; Sapag J.; Basualto C.; Yazdani-Pedram M.; Kondo K.; Kamio, E; Valenzuela F. Article ISI SCOPUS SEPARATION AND PURIFICATION TECHNOLOGY (2008)
Modeling and simulation of mass transfer in near-critical extraction using a hollow fiber membrane contactor Estay H.; Bocquet S.; Romero J.; Sanchez J.; Valenzuela F. Article ISI SCOPUS Chemical Engineering Science (2007)
Separation of zinc ions from an acidic mine drainage using a stirred transfer cell-type emulsion liquid membrane contactor Valenzuela F.; Cabrera J.; Basualto C.; Sapag J. Article ISI SCOPUS SEPARATION SCIENCE AND TECHNOLOGY (2007)
Extraction of cadmium from aqueous solutions by emulsion liquid membranes using a stirred transfer cell contactor Basualto C.; Poblete M.; Marchese, J; Ochoa A.; Acosta A.; Sapag J.; Valenzuela F. Article ISI SCOPUS JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY (2006)
Preparation and characterization of polymeric microspheres for Cr(VI) extraction Ochoa, NA; Illanes, C; Marchese, J; Basualto C.; Valenzuela F. Article ISI SCOPUS SEPARATION AND PURIFICATION TECHNOLOGY (2006)
Development and use of Web site with multimedia contents as a complement to traditional Unit Operation courses” C. Tapia, M. Muller, J. Sapag, F. Valenzuela, C. Basualto, L. Abugoch Article JOURNAL OF FOOD SCIENCE EDUCATION (2005)
Kinetics of copper removal from acidic mine drainage by a liquid emulsion membrane Valenzuela F.; Cabrera J.; Basualto C.; Sapag-Hagar, J Article ISI SCOPUS MINERALS ENGINEERING (2005)
Removal of copper ions from a waste mine water by a liquid emulsion membrane method Valenzuela F.; Fonseca C.; Basualto C.; Correa O.; Tapia C.; Sapag J. Article ISI SCOPUS MINERALS ENGINEERING (2005)
Sorption behavior of Ga(III) and In(III) into a microcapsule containing long-chain alkylphosphonic acid monoester Kamio, E; Matsumoto, M; Valenzuela F.; Kondo K. Article ISI SCOPUS INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2005)
Use of a surfactant liquid membrane contactor for zinc uptake from an acid aqueous effluent Valenzuela F.; Auspont, J; Basualto C.; Tapia C.; Sapag J. Article ISI SCOPUS Chemical Engineering Research and Design (2005)
Zn(II) AND Cu(II) UPTAKE FROM ACID SOLUTIONS WITH MICROCAPSULES CONTAINING A NON-SPECIFIC ALKYL PHOSPHONIC EXTRACTANT Valenzuela F.; Yazdani-Pedram M.; Araneda C.; Basualto C.; Kamio, E; Kondo K. Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2005)
Comparative studies on polyelectrolyte complexes and mixtures of chitosan-alginate and chitosan-carrageenan as prolonged diltiazem clorhydrate release systems Tapia C.; Escobar, Z; Costa E.; Sapag-Hagar, J; Valenzuela F.; Basualto C.; Gai M.N.; Yazdani-Pedram M. Article ISI SCOPUS EUROPEAN JOURNAL OF PHARMACEUTICS AND BIOPHARMACEUTICS (2004)
Transport of molybdenum with Alamine 336 using supported liquid membrane Marchese, J; Valenzuela F.; Basualto C.; Acosta A. Article ISI SCOPUS Hydrometallurgy (2004)
Using an interactive CD-ROM to teach pharmacy students Unit Operations Article ISI, SCOPUS PHARMACEUTICAL ENGINEERING (2004)
Extraction of molybdenum by a supported liquid membrane method Basualto C.; Marchese, J; Valenzuela F.; Acosta A. Article ISI SCOPUS Talanta (2003)
INFLUENCE OF NONIONIC SURFACTANT COMPOUND ON COUPLED TRANSPORT OF COPPER (II) THROUGH A LIQUID MEMBRANE Valenzuela F.; Salinas C.; Basualto C.; Sapag-Hagar, J; Tapia C. Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2003)
Application of a mathematical model for copper permeation from a Chilean mine water through a hollow fiber-type supported liquid membrane Valenzuela F.; Yanez, MF; Basualto C. Article ISI SCOPUS JOURNAL OF MEMBRANE SCIENCE (2002)
Development of an interactive CD-ROM for teaching unit operations to pharmacy students Tapia C.; Sapag-Hagar, J; Valenzuela F.; Basualto C.; Zunino, GF Article ISI SCOPUS AMERICAN JOURNAL OF PHARMACEUTICAL EDUCATION (2002)
EFFECT OF THE REACTION CONDITIONS OVER THE YIELD AND PROPERTIES OF METHYLCELLULOSE OBTAINED FROM PINUS RADIATA KRAFT BLEACHED CELLULOSE Tapia C.; Sapag J.; Andrade, CT; Hasson, J; Valenzuela F.; Basualto C. Article ISI SCIELO SCOPUS BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA (2002)
Study of the influence of the pH media dissolution, degree of polymerization, and degree of swelling of the polymers on the mechanism of release of Diltiazem from matrices based on mixtures of chitosan/alginate Tapia C.; Costa E.; Moris M.; Sapag-Hagar, J; Valenzuela F.; Basualto C. Article ISI SCOPUS DRUG DEVELOPMENT AND INDUSTRIAL PHARMACY (2002)
CHARACTERIZATION OF ALKALICELLULOSE OF PINUS RADIATA AND EUCALYPTUS GLOBULUS BASED ON ITS MOLECULAR WEIGHT AND DEGREE OF ACCESIBILITY Tapia C.; Sapag-Hagar, J; Morales F.; Valenzuela F.; Basualto C. Article ISI SCIELO SCOPUS BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA (2001)
Extraction of Mo (VI) with tertiary amines in a solid-supported liquid membrane reactor Valenzuela F.; Pizarro F.; Basualto C.; Sapag J.; Tapia C. Article ISI BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA (2001)
Separation of Cu(II) and Mo(VI) from mine waters using two microporous membrane extraction systems Valenzuela F.; Aravena, H; Basualto C.; Sapag J.; Tapia C. Article ISI SCOPUS SEPARATION SCIENCE AND TECHNOLOGY (2000)
Application of hollow-fiber supported liquid membranes technique to the selective recovery of a low content of copper from a Chilean mine water” Article ISI, SCOPUS Journal of Membrane Science, 1 (1999)
Chile leader for water treatment in Latin American Valenzuela, F.; Salvatierra, R. Article Water Conditioning and Purification (1998)
Transport of Zn(II), Cu(II) and Ni(II) on hollow fibers-type solid supported liquid membranes Acosta, A.; Valenzuela, F.; Basualto, C.; Marchese, J. and M. Campderrós Article ISI BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA (1998)
Determinación de la distribución de sustituyentes y el grado de sustitución en metilcelulosa, mediante cromatografía en capa fina cuantitativa" Article ISI BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA (1997)
Membrane transport of copper with LIX-860 from acid leach waste solutions Valenzuela, F.; Basualto, C.; Sapag, J.; Tapia, C. Article ISI MINERALS ENGINEERING (1997)
Recuperación de Cu(II) desde aguas de mina en un extractor basado en impregnación de membranas líquidas del tipo fibras huecas Article ISI BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA (1997)
"Study of a procedure for the obtainment of methylcellulose from mechanic pulp in homogeneous media C. Tapia, J. Sapag, P. Sitches, F. Valenzuela, C. Basualto. Article Journal Lat. Applied Research (1996)
Modelo difusional de extracción de cobre por solventes sobre membranas líquidas de soporte sólido del tipo hollow fibers aplicado a aguas de minas" F. Valenzuela, C. Basualto, J. Sapag, C. Tapia y R.Verdugo Article ISI (1996)
Recovery of copper from leaching residual solutions by means of a hollow-fiber membrane extractor F.R.Valenzuela, C.Basualto, C.Tapia, J.Sapag and C.Paratori. Article ISI MINERALS ENGINEERING (1996)
Recuperación de Mo(VI) con un extractante alquilfosfónico desde soluciones ácidas con alto contenido de cobre" F. Valenzuela, S.Poblete, J.Sapag-Hagar, C.Tapia, C.Basualto. Article ISI BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA (1995)
The solvent extraction separation of molybdenum and copper from acid leach residual solution of chilean molybdenite concentrate". F.R.Valenzuela, J.Andrade, J.Sapag, C.Tapia, C. Basualto. Article ISI MINERALS ENGINEERING (1995)
Estudio de disolución de pulpa mecánica en la mezcla Dimetilacetamida/Cloruro de litio(DMAc/LiCl) J. Sapag-Hagar, C. Tapia, F.Valenzuela, M. Maeda, M. Coromina Article ISI BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA (1994)
Extraction kinetics of copper with 8-octanesulfon-amidoquinoline in a membrane extractor using a hollow fiber" Article Journal of Lat Applied Research (1994)
Stripping kinetics of a copper chelate complex with hydrochloric acid in a hollow fiber membrane extractor. Fernando Valenzuela L., Carlos Basualto. Article Journal Lat.Applied Research (1994)


Wastewater Treatment through Low Cost Adsorption Technologies Fernando Valenzuela y Gonzalo Montes; INTECH, Open Sciences/ Open Minds BookSection http://dx.doi.org/10.5772/67097 (2017)
Nuevas metodologías eficientes de remoción y recuperación de metales pesados de las soluciones residuales industriales y de minería BookSection (2008)
Uso de Quitina y Quitosano en Control Ambiental Fernando Valenzuela y Dr. Enrique Agulló; Fondo Editorial de la Pontificia Universidad Católica del Perú BookSection (2004)


Process and plant for the removal of metals by biosorption from mining or industrial effluents, Australia Patent (2011)
Método para la Remoción de Metales de Efluentes Mineros o Industriales por Biosorción, Chile Patent Concedida (2009)
Método para la Remoción de Metales de Efluentes Mineros o Industriales por Biosorción, Perú 5528 Patent (2009)
Plant for the removal of metals by biosorption from mining or industrial effluents Patent Concedida, Pat. US 7,479,220 (2009)
“Process for the removal of metals by biosorption from mining or industrial effluents Patent Concedida, Pat. US 7.326.344 (2008)


Fortalecimiento de la interdisciplinariedad en investigaciones de trazabilidad y especiación de elementos traza usando UHPLC-ICP- MS para el estudio de procesos químicos en Cc. de los Alimentos, Química Analítica y Ambiental, Cc.de la tierra y Minería Valenzuela, Fernando R. Proyecto (2017)
Cartridge system for water purification Borrmann T.; Valenzuela, Fernando R. Proyecto (2009)
Elimination of inorganic contaminants from industrial waste waters by finely dispersed microphases Valenzuela, Fernando R.; Höel, Wolfang Proyecto (2008)
Desarrollo de un proceso continuo dirigido a la recuperación y descontaminación de metales pesados desde soluciones ácidas diluidas provenientes de la actividad minera y químico-metalúrgica mediante un sistema extractor basado en membranas líquidas emulsificadas Valenzuela, Fernando R. Proyecto (2006)
Eliminación de metales pesados de efluentes líquidos a través de contactores a membrana líquido-líquido Romero, Julio; Valenzuela, Fernando R. Proyecto (2005)
Transferencia de tecnología de un proceso de biorremediación de aguas para la industria minera y manufacturera Cotoras, Davor; Valenzuela, Fernando R. Proyecto (2005)
Separación de iones metálicos desde soluciones acuosas mediante nuevas tecnologías Basualto, Carlos; Valenzuela, Fernando R. Proyecto (2004)
Desarrollo de un proceso de biorremediación de aguas para la industria minera y manufacturera Cotoras, Davor; Valenzuela, Fernando R. Proyecto (2002)
Estudio comparativo de un proceso de remoción y recuperación de iones metálicos mediante membranas líquidas emulsificadas y de soporte sólido desde soluciones residuales industriales Valenzuela, Fernando R.; Sapaq-Hagar, Jaime Proyecto (2001)
Estudio del transporte de molibdeno en membranas líquidas soportadas” Marchese, Jose Proyecto (2000)
Obtención de Quitina y Quitosanos a partir de desechos de crustáceos Tapia, Cristian A. Proyecto (2000)
Estudio e implementación de un procedimiento de recuperación de iones metálicos desde soluciones diluidas de la minería por extracción con solventes en un extractor de membrana del tipo fibras huecas Valenzuela, Fernando R.; Nakashio Fumiyuki Proyecto (1998)
Desarrollo de un proceso de recuperación de cobre desde soluciones ácidas por extracción con solventes mediante membranas líquidas de soporte sólido Valenzuela, Fernando R. Proyecto (1994)
Estudio de un procedimiento para la fabricación de metilcelulosa partiendo directamente de pulpa mecánica Valenzuela, Fernando R. Proyecto (1991)
Estudio de un procedimiento para la fabricación de hidroxietilcelulosa a partir de celulosa y pulpa mecánica de producción nacional" Valenzuela, Fernando R. Proyecto (1987)
Extracción selectiva por solventes de molibdeno y cobre a partir de soluciones de lixiviación de concentrados de molibdenita. Valenzuela, Fernando J.; Navarro, Patricio Proyecto (1985)