ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS

Gold telluride minerals are refractory to conventional cyanidation, so their processing requires a previous treatment, or the use of alternative cyanide leaching agents. The growing presence of gold tellurides has created the need to search for new alternatives for the treatment of this type of min...

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Autores principales:	TERÁN-BOJÓRQUEZ, DIANA GABRIELA, ALONSO-GONZÁLEZ, OMERO, SANTOS-MUNGUÍA, PERLA C, ELIZONDO-ÁLVAREZ, MARTHA A, BELLO TEODORO, SIMON
Format:	Online
Jezik:	spa
Izdano:	Universida de Sonora 2022
Online dostop:	https://epistemus.unison.mx/index.php/epistemus/article/view/196
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spelling	oai:http:--epistemus.unison.mx:article-1962023-06-14T01:03:57Z ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS Agente Lixiviante alterno al cianuro para minerales refractarios de telururo de oro TERÁN-BOJÓRQUEZ, DIANA GABRIELA ALONSO-GONZÁLEZ, OMERO SANTOS-MUNGUÍA, PERLA C ELIZONDO-ÁLVAREZ, MARTHA A BELLO TEODORO, SIMON Caro's acid gold telluride Refractory minerals Telururo de oro ácido de Caro Minerales refractarios Gold telluride minerals are refractory to conventional cyanidation, so their processing requires a previous treatment, or the use of alternative cyanide leaching agents. The growing presence of gold tellurides has created the need to search for new alternatives for the treatment of this type of minerals. In this, an extraction process of this type of minerals is proposed using Caro's acid as a pre-oxidant of the mineral for a subsequent conventional cyanidation. For this, a gold telluride mineral was used, previously cyanide, with the presence of calaverite (AuTe2). Caro's acid, for its part, is an oxidizing agent used to oxidize the CN- ion in cyanidation tails. Caro's acid functioned as a leaching agent, where direct acid leaching occurs, obtaining gold values that were considered non-recoverable. Los minerales de telururo de oro son refractarios a la cianuración convencional, por lo que para su procesamiento requieren de un tratamiento previo, o el uso de agentes lixiviantes alternos al cianuro. La creciente presencia de los telururos de oro, ha creado la necesidad de buscar nuevas alternativas para el tratamiento de este tipo de minerales. En este trabajo se propone un proceso de extracción empleando ácido de Caro como pre oxidante del mineral para una posterior cianuración convencional. Para esto, se utilizó un mineral de telururo de oro, ya cianurado con anterioridad, con presencia de calaverita (AuTe2). Se encontró que el ácido de Caro es un efectivo agente lixiviante, produciendo una disolución ácida directa y permitiendo la obtención de valores de oro que se consideraban no recuperables. Universida de Sonora 2022-03-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Research Investigación application/pdf application/pdf text/xml https://epistemus.unison.mx/index.php/epistemus/article/view/196 10.36790/epistemus.v15i31.196 EPISTEMUS; Vol. 15 No. 31 (2021): Issue 31; 7-14 EPISTEMUS; Vol. 15 Núm. 31 (2021): Revista No. 31; 7-14 2007-8196 2007-4530 spa https://epistemus.unison.mx/index.php/epistemus/article/view/196/270 https://epistemus.unison.mx/index.php/epistemus/article/view/196/210 https://epistemus.unison.mx/index.php/epistemus/article/view/196/341 Derechos de autor 2022 EPISTEMUS https://creativecommons.org/licenses/by-nc-nd/4.0
institution	Epistemus
collection	OJS
language	spa
format	Online
author	TERÁN-BOJÓRQUEZ, DIANA GABRIELA ALONSO-GONZÁLEZ, OMERO SANTOS-MUNGUÍA, PERLA C ELIZONDO-ÁLVAREZ, MARTHA A BELLO TEODORO, SIMON
spellingShingle	TERÁN-BOJÓRQUEZ, DIANA GABRIELA ALONSO-GONZÁLEZ, OMERO SANTOS-MUNGUÍA, PERLA C ELIZONDO-ÁLVAREZ, MARTHA A BELLO TEODORO, SIMON ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS
author_facet	TERÁN-BOJÓRQUEZ, DIANA GABRIELA ALONSO-GONZÁLEZ, OMERO SANTOS-MUNGUÍA, PERLA C ELIZONDO-ÁLVAREZ, MARTHA A BELLO TEODORO, SIMON
author_sort	TERÁN-BOJÓRQUEZ, DIANA GABRIELA
title	ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS
title_short	ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS
title_full	ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS
title_fullStr	ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS
title_full_unstemmed	ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS
title_sort	alternative cyanide leaching agent for gold teluride refractory minerals
description	Gold telluride minerals are refractory to conventional cyanidation, so their processing requires a previous treatment, or the use of alternative cyanide leaching agents. The growing presence of gold tellurides has created the need to search for new alternatives for the treatment of this type of minerals. In this, an extraction process of this type of minerals is proposed using Caro's acid as a pre-oxidant of the mineral for a subsequent conventional cyanidation. For this, a gold telluride mineral was used, previously cyanide, with the presence of calaverite (AuTe2). Caro's acid, for its part, is an oxidizing agent used to oxidize the CN- ion in cyanidation tails. Caro's acid functioned as a leaching agent, where direct acid leaching occurs, obtaining gold values that were considered non-recoverable.
publisher	Universida de Sonora
publishDate	2022
url	https://epistemus.unison.mx/index.php/epistemus/article/view/196
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ALTERNATIVE CYANIDE LEACHING AGENT FOR GOLD TELURIDE REFRACTORY MINERALS

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