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dc.contributor.authorRivera Rogel, María José-
dc.date.accessioned2010-07-12T15:40:10Z-
dc.date.available2010-07-12T15:40:10Z-
dc.date.issued2010-07-06-
dc.identifier.otherT-IQ/0768/CD 3020-
dc.identifier.urihttp://bibdigital.epn.edu.ec/handle/15000/2242-
dc.description.abstractEl objetivo del presente trabajo fue obtener un catalizador de plata poroso para aplicaciones industriales. Con este fin, se formaron aleaciones de plata -aluminio y plata -zinc. Una vez formadas las mezclas entre la plata y el aluminio asi como entre la plata y el zinc, se sometió a cada uno de estos sólidos a una disolución de los metales anfóteros (aluminio y zinc) con hidróxido de sodio. Al final de la disolución del aluminio y el zinc de las respectivas aleaciones se pudo obtener como producto del proceso llevado a cabo, a la plata presente en cada aleación, que es el resultado esperado. Este producto de la disolución de los metales anfóteros con hidróxido de sodio, fue filtrado y secado, para ser analizado tanto al microscopio como por difracción de rayos x, con la finalidad de establecer el tamaño de partícula su composición mineralógica y a partir de esta, determinar su composición química. Una vez analizados los productos obtenidos de las aleaciones de la plata tanto con el zinc como con el aluminio, se probó la acción catalítica de cada producto, en la reacción de oxidación del cianuro de sodio a cianato. Tanto la plata pura como la plata proveniente de las aleaciones, fueron probadas en soluciones sintéticas preparadas en laboratorio con un contenido aproximado de 500 mg/l de solución, así como en efluentes provenientes de la extracción de oro de minerales sulfurados y carbonatados de concentración de cianuro de sodio similar a la concentración de las soluciones sintéticas preparadas en el laboratorio. Al oxidar el cianuro de sodio tanto con la plata pura, como con la plata porosa obtenida en este proyecto se comprobó que: la plata proveniente de la aleación con el aluminio con un contenido de 5% de plata permite que se oxide una mayor cantidad de cianuro de sodio que al utilizar plata pura en un mismo lapso de tiempoes_EC
dc.description.sponsorshipLozada López, Marcelo Salvadores_EC
dc.language.isospaes_EC
dc.publisherQUITO/EPN/2010es_EC
dc.rightsopenAccess-
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.subjectCATALISISes_EC
dc.subjectPIRO METALURGIAes_EC
dc.subjectDISOLUCION DE METALES ANFOTEROSes_EC
dc.titleEstudio para la obtención de una catalizador de plata poroso a partir de aleaciones plata.aluminio y/o plata-zinces_EC
dc.typebachelorThesises_EC
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