Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata

Ilustraciones, fotografías

Autores:
Argumedo Jiménez, Carlos Enrique
Tipo de recurso:
Fecha de publicación:
2024
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
OAI Identifier:
oai:repositorio.unal.edu.co:unal/86227
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/86227
https://repositorio.unal.edu.co/
Palabra clave:
540 - Química y ciencias afines::549 - Mineralogía
620 - Ingeniería y operaciones afines::622 - Minería y operaciones relacionadas
Minerales de oro - Investigaciones
Metalurgia del oro - Investigaciones
Cianuración
Minerales de plata - Investigaciones
Metalurgia de la plata - Investigaciones
Minerales - Lixiviación
mineral de oro refractario
telururos
ácido nítrico
lixiviación atmosférica
cianuración
refractory gold ore
tellurides
nitric acid
atmospheric leaching
cyanidation
Rights
openAccess
License
Atribución-NoComercial 4.0 Internacional
id UNACIONAL2_a16ff7767e40d7b1a1acded4f495fb1d
oai_identifier_str oai:repositorio.unal.edu.co:unal/86227
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network_name_str Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata
dc.title.translated.eng.fl_str_mv Pretreatment of a Refractory Gold Ore Associated with Gold and Silver Tellurides
title Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata
spellingShingle Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata
540 - Química y ciencias afines::549 - Mineralogía
620 - Ingeniería y operaciones afines::622 - Minería y operaciones relacionadas
Minerales de oro - Investigaciones
Metalurgia del oro - Investigaciones
Cianuración
Minerales de plata - Investigaciones
Metalurgia de la plata - Investigaciones
Minerales - Lixiviación
mineral de oro refractario
telururos
ácido nítrico
lixiviación atmosférica
cianuración
refractory gold ore
tellurides
nitric acid
atmospheric leaching
cyanidation
title_short Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata
title_full Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata
title_fullStr Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata
title_full_unstemmed Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata
title_sort Pretratamiento de un mineral de oro refractario asociado con telururos de oro y plata
dc.creator.fl_str_mv Argumedo Jiménez, Carlos Enrique
dc.contributor.advisor.none.fl_str_mv Restrepo Baena, Oscar Jaime
dc.contributor.author.none.fl_str_mv Argumedo Jiménez, Carlos Enrique
dc.contributor.orcid.spa.fl_str_mv Argumedo-Jimenez, Carlos Enrique [0000-0002-6238-7349]
dc.subject.ddc.spa.fl_str_mv 540 - Química y ciencias afines::549 - Mineralogía
620 - Ingeniería y operaciones afines::622 - Minería y operaciones relacionadas
topic 540 - Química y ciencias afines::549 - Mineralogía
620 - Ingeniería y operaciones afines::622 - Minería y operaciones relacionadas
Minerales de oro - Investigaciones
Metalurgia del oro - Investigaciones
Cianuración
Minerales de plata - Investigaciones
Metalurgia de la plata - Investigaciones
Minerales - Lixiviación
mineral de oro refractario
telururos
ácido nítrico
lixiviación atmosférica
cianuración
refractory gold ore
tellurides
nitric acid
atmospheric leaching
cyanidation
dc.subject.lemb.none.fl_str_mv Minerales de oro - Investigaciones
Metalurgia del oro - Investigaciones
Cianuración
Minerales de plata - Investigaciones
Metalurgia de la plata - Investigaciones
Minerales - Lixiviación
dc.subject.proposal.spa.fl_str_mv mineral de oro refractario
telururos
ácido nítrico
lixiviación atmosférica
cianuración
dc.subject.proposal.eng.fl_str_mv refractory gold ore
tellurides
nitric acid
atmospheric leaching
cyanidation
description Ilustraciones, fotografías
publishDate 2024
dc.date.accessioned.none.fl_str_mv 2024-06-12T02:15:33Z
dc.date.available.none.fl_str_mv 2024-06-12T02:15:33Z
dc.date.issued.none.fl_str_mv 2024
dc.type.spa.fl_str_mv Trabajo de grado - Maestría
dc.type.driver.spa.fl_str_mv info:eu-repo/semantics/masterThesis
dc.type.version.spa.fl_str_mv info:eu-repo/semantics/acceptedVersion
dc.type.content.spa.fl_str_mv Text
dc.type.redcol.spa.fl_str_mv http://purl.org/redcol/resource_type/TM
status_str acceptedVersion
dc.identifier.uri.none.fl_str_mv https://repositorio.unal.edu.co/handle/unal/86227
dc.identifier.instname.spa.fl_str_mv Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv https://repositorio.unal.edu.co/
url https://repositorio.unal.edu.co/handle/unal/86227
https://repositorio.unal.edu.co/
identifier_str_mv Universidad Nacional de Colombia
Repositorio Institucional Universidad Nacional de Colombia
dc.language.iso.spa.fl_str_mv spa
language spa
dc.relation.indexed.spa.fl_str_mv LaReferencia
dc.relation.references.spa.fl_str_mv Adams, Mike D. 2005. Advances in Gold Ore Processing. Editado por B. A. wills.
———. 2016. Gold Ore Processing Project Development and Operations. Editado por Mike D. Adams. 2a ed. Vol. 15. Elsevier.
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Dyer, Laurence G., Maziar Sauber, David G. Dixon, y Edouard Asselin. 2017. “On the Refractory Nature of Precious Metal Tellurides”. Hydrometallurgy 169 (169): 488–95. https://doi.org/10.1016/j.hydromet.2017.03.009.
Dziurdzak, Grazyna, James H. Kyle, y Robert C. Dunne. 1989. “The Pressure Aqueous Pre-Oxidation of a Refractory Gold Ore from the Golden Mile, Kalgoorlie, Western Australia”. En World Gold, 315–21.
Ellis, S., y G. Deschênes. 2016. “Treatment of Gold–Telluride Ores”. En Gold Ore Processing, 919–26. Elsevier B.V. https://doi.org/10.1016/B978-0-444-63658-4.00051-7.
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Gao, Guolong, Dengxin Li, Yong Zhou, Xianhao Sun, y Wen Sun. 2009. “Kinetics of high-sulphur and high-arsenic refractory gold concentrate oxidation by dilute nitric acid under mild conditions”. Minerals Engineering 22 (2): 111–15. https://doi.org/10.1016/j.mineng.2008.05.001.
González-Ibarra, A. A., F. Nava-Alonso, y A. Uribe-Salas. 2017. “Cyanidation Kinetics of Silver Telluride (Ag2Te)”. Canadian Metallurgical Quarterly 56 (3): 272–80. https://doi.org/10.1080/00084433.2017.1350391.
González-Ibarra, A., F. Nava-Alonso, y A. Uribe-Salas. 2019. “Electrochemical study of silver telluride (Ag2Te): anodic and cathodic potential dependent-reactions in alkaline cyanide solutions”. Hydrometallurgy 183 (enero):230–39. https://doi.org/10.1016/j.hydromet.2018.12.019.
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Jayasekera, S, I M Ritchie, y J Avraamides. 1991. “Prospects for the Direct Leaching of Gold Tellurides - Recent Developments”. World Gold 91. Cairns Australia, 181–83.
———. 1933b. “Tellurides - Problem or Alibi?” Engineering and Mining Journal 134 (8): 333–34.
Kelley, Karen D, Samuel B Romberger, David W Beaty, Jeffrey A Pontius, Lawrence W Snee, Holly J Stein, y Tommy B Thompson. 1998. “Geochemical and Geochronological Constraints on the Genesis of Au-Te Deposits at Cripple Creek, Colorado”. Economic Geology 93:981–1012.
Komnitsas, C, y F. D. Pooley. 1989. “Mineralogical characteristics and treatment of refractory gold ores”. Minerals Engineering 2 (4): 449–57.
Korolev, Ivan, Pelin Altinkaya, Mika Haapalainen, Eero Kolehmainen, Kirsi Yliniemi, y Mari Lundström. 2022. “Electro-hydrometallurgical chloride process for selective gold recovery from refractory telluride gold ores: A mini-pilot study”. Chemical Engineering Journal 429 (febrero). https://doi.org/10.1016/j.cej.2021.132283.
Kuzas, Evgeniy, Denis Rogozhnikov, Oleg Dizer, Kirill Karimov, Andrei Shoppert, Alexey Suntsov, y Ivan Zhidkov. 2022. “Kinetic study on arsenopyrite dissolution in nitric acid media by the rotating disk method”. Minerals Engineering 187 (septiembre). https://doi.org/10.1016/j.mineng.2022.107770.
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dc.format.extent.spa.fl_str_mv 112 páginas
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dc.publisher.spa.fl_str_mv Universidad Nacional de Colombia
dc.publisher.program.spa.fl_str_mv Medellín - Minas - Maestría en Ingeniería - Recursos Minerales
dc.publisher.faculty.spa.fl_str_mv Facultad de Minas
dc.publisher.place.spa.fl_str_mv Medellín, Colombia
dc.publisher.branch.spa.fl_str_mv Universidad Nacional de Colombia - Sede Medellín
institution Universidad Nacional de Colombia
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spelling Atribución-NoComercial 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Restrepo Baena, Oscar Jaime49e44285f390606a144fe0052df4d5efArgumedo Jiménez, Carlos Enriquef648ed7e60dbc96978f4f48e117a519aArgumedo-Jimenez, Carlos Enrique [0000-0002-6238-7349]2024-06-12T02:15:33Z2024-06-12T02:15:33Z2024https://repositorio.unal.edu.co/handle/unal/86227Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/Ilustraciones, fotografíasEl agotamiento de los minerales auríferos fáciles de tratar está haciendo crecer la necesidad de procesar depósitos de oro no convencionales que se caracterizan por la presencia de oro asociado a ciertos elementos que no permiten obtener buenas recuperaciones del metal precioso usando la cianuración convencional. Entre todos los tipos de minerales de oro refractarios, los telururos de oro-plata son bien conocidos como refractarios, pero es limitada la información sobre opciones para procesarlos. En este trabajo se presenta la investigación de un pretratamiento propuesto para el tratamiento de un mineral de oro asociado a telururos de oro y plata. El pretratamiento propuesto se basa en el uso de ácido nítrico para oxidar los minerales que generan la refractariedad en una muestra de mineral de oro asociado a telururos proveniente de la región del Bajo Cauca. Durante esta investigación se realizó una caracterización física y química del mineral para después proponer un tratamiento adecuado y capaz de potenciar la recuperación de oro y plata desde la muestra recibida. El tratamiento propuesto consistió en tres etapas: (i) acidificación del mineral para descomponer cualquier especie importante consumidora de ácido presente en el mineral, (ii) lixiviación atmosférica del mineral con una solución diluida de ácido nítrico (pretratamiento) para eliminar la refractariedad, y (iii) cianuración del residuo sólido del pretratamiento para recuperar el oro y la plata contenidos en el mineral. Para estudiar el efecto de las variables del pretratamiento sobre la recuperación de oro en la cianuración post pretratamiento se estableció un diseño experimental factorial 2^k y se realizó un análisis ANOVA de los resultados. Los resultados del diseño experimental mostraron que después del pretratamiento la recuperación de oro mediante cianuración convencional aumenta hasta un 30% en comparación con las cianuraciones base. Se encontró que las tres variables estudiadas del pretratamiento estaban correlacionadas positivamente con la recuperación de oro durante la cianuración del residuo sólido del pretratamiento. Para la plata se encontró la correlación opuesta ya que el pretratamiento no mejoró la recuperación de la plata y las tres variables del pretratamiento resultaron estar correlacionadas negativamente con su recuperación. Como se esperaba, se encontró que el aumento de la recuperación de oro durante la cianuración estaba asociado con la descomposición de los telururos durante el pretratamiento. (Tomado de la fuente)Depletion of easy-to-treat ores is heightening the necessity for processing non-conventional gold deposits characterized by the presence of gold associated with certain elements that impede efficient recovery of the precious metals through the conventional cyanidation process. Among all types of refractory gold ores, gold-silver tellurides are well known as refractory, but limited information is available on processing options to treat them. This work presents an investigation into a proposed pretreatment designed for the processing of a gold ore associated with gold and gold-silver tellurides. The proposed pretreatment is based in use of nitric acid to oxidize the minerals responsible of the refractoriness of a gold ore sample associated with tellurides from the Bajo Cauca region. Physical and chemical characterization of the ore was carried out to then propose a suitable treatment capable of enhancing the gold and silver recovery from the received ore. The proposed treatment consisted of three stages: (i) acidification of the ore to decompose any major acid consumer specie present in the ore, (ii) atmospheric leaching of the ore with diluted solution of nitric acid (pretreatment) to eliminate the refractoriness, and (iii) cyanidation of the pretreatment solid residues to recover the ore’s gold and silver content. To study the effect of the pretreatment variables on the gold recovery during the post pretreatment cyanidation, a 2^k factorial experimental design was established, and an ANOVA analysis of the results was carried out. The results of the 2^k factorial experimental design showed that after the pretreatment gold recovery by conventional cyanidation increase up to 30% comparted with base cyanidations. The three studied pretreatment variables were found to be positively correlated with gold recovery during cyanidation of the solid residue of the pretreatment. For silver, the opposite correlation was found since the pretreatment did not improve the silver recovery and the three pretreatment variables turned out to be negatively correlated with its recovery. As expected, the increase of the gold recovery during the cyanidation was found to be associated with the decomposition of the tellurides during the pretreatment.MaestríaMagíster en Ingeniería - Recursos MineralesMetalurgia ExtractivaRecursos Minerales.Sede Medellín112 páginasapplication/pdfspaUniversidad Nacional de ColombiaMedellín - Minas - Maestría en Ingeniería - Recursos MineralesFacultad de MinasMedellín, ColombiaUniversidad Nacional de Colombia - Sede Medellín540 - Química y ciencias afines::549 - Mineralogía620 - Ingeniería y operaciones afines::622 - Minería y operaciones relacionadasMinerales de oro - InvestigacionesMetalurgia del oro - InvestigacionesCianuraciónMinerales de plata - InvestigacionesMetalurgia de la plata - InvestigacionesMinerales - Lixiviaciónmineral de oro refractariotelururosácido nítricolixiviación atmosféricacianuraciónrefractory gold oretelluridesnitric acidatmospheric leachingcyanidationPretratamiento de un mineral de oro refractario asociado con telururos de oro y plataPretreatment of a Refractory Gold Ore Associated with Gold and Silver TelluridesTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMLaReferenciaAdams, Mike D. 2005. 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Minerals 9 (3). https://doi.org/10.3390/min9030167.EstudiantesInvestigadoresMaestrosLICENSElicense.txtlicense.txttext/plain; charset=utf-85879https://repositorio.unal.edu.co/bitstream/unal/86227/1/license.txteb34b1cf90b7e1103fc9dfd26be24b4aMD51ORIGINAL1037646292.2024.pdf1037646292.2024.pdfTesis de Maestría en Ingeniería - Recursos Mineralesapplication/pdf2076504https://repositorio.unal.edu.co/bitstream/unal/86227/2/1037646292.2024.pdf17fc1371df2f1d339d8dd946f30b3fb0MD52THUMBNAIL1037646292.2024.pdf.jpg1037646292.2024.pdf.jpgGenerated Thumbnailimage/jpeg4479https://repositorio.unal.edu.co/bitstream/unal/86227/3/1037646292.2024.pdf.jpge46bee647cc0551012ed4352b2293128MD53unal/86227oai:repositorio.unal.edu.co:unal/862272024-06-11 23:04:49.721Repositorio Institucional Universidad Nacional de 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