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Listar por autor "Carranza Mora, Francisco"
Mostrando ítems 21-40 de 42
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Tesis Doctoral
Extraction of base and precious metals and other valuable elements from mining tailings by hydrometallurgical processes
Lorenzo Tallafigo, Juan (2024-04-04)The generation of a great volume of harmful wastes causes many environmental issues, such as AMD (Acid Mine Drainage) ...
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Artículo
Ferric iron production in packed bed bioreactors: Influence of pH, temperature, particle size, bacterial support material and type of air distributor
Mazuelos Rojas, Alfonso; Palencia, I.; Romero Aleta, Rafael; Rodriguez, G.; Carranza Mora, Francisco (Elsevier, 2001-05)The biooxidatíon of ferrous iron in solution has industrial applications in the regeneration of ferric iron as a leachíng ...
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Artículo
Ferric leaching of the sphalerite contained in a bulk concentrate: Kinetic study
Lorenzo Tallafigo, Juan; Iglesias González, María Nieves; Romero Aleta, Rafael; Mazuelos Rojas, Alfonso; Carranza Mora, Francisco (Elsevier, 2018-08)A novel process for the integral treatment of polymetallic sulphide ores is proposed. The process consists of a global ...
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Artículo
Influence of zinc on ferrous iron bio-oxidation: Biological or physical nature?
Mazuelos Rojas, Alfonso; Iglesias González, María Nieves; Romero Aleta, Rafael; Mejías, Miguel Ángel; Carranza Mora, Francisco (Elsevier, 2010-07-15)Ferrous iron bio-oxidation is negatively affected by the presence of heavy metals. Although the available information ...
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Artículo
Inhibition of bioleaching processes by organics from solvent extraction
Mazuelos Rojas, Alfonso; Iglesias González, María Nieves; Carranza Mora, Francisco (Elsevier, 1999-12)The influence of the presence of an organic phase composed of 15% LIX 64 as extractant and kerosene as solvent on ferrous ...
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Ponencia
Lixiviación bacterial de calcopirita
Palencia Pérez, Inmaculada; García Gómez, Manuel José; Carranza Mora, Francisco (I Congreso Nacional Cuenca Minera de Riotinto, 1988) -
Ponencia
Lixiviación de un concentrado de cobre con sulfato férrico. Cinética y mecanismo
Palencia Pérez, Inmaculada; Carranza Mora, Francisco; Pereda Marín, Juan (Congreso Nacional Cuenca Minera de Riotinto, 1988)Se estudia la cinética de la lixiviación de un concentrado de cobre con sulfato férrico en discontinuo. La velocidad de ...
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Artículo
Monitoring polythionate bio-oxidation by conductivity measurement
Montes Rosua, Cristina; Iglesias González, María Nieves; Romero Aleta, Rafael; Mazuelos Rojas, Alfonso; Carranza Mora, Francisco (Elsevier, 2016)Polythionates are formed by the incomplete oxidation of sulphide minerals in the grinding and flotation circuits, and ...
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Artículo
Operational pH in packed-bed reactors for ferrous ion bio-oxidation
Mazuelos Rojas, Alfonso; Carranza Mora, Francisco; Romero Aleta, Rafael; Iglesias González, María Nieves; Villalobo Polo, Eduardo (Elsevier, 2010-09)The flooded packed-bed bioreactor plays a major role in the field of applications of ferrous ion bio-oxidation. The pH ...
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Ponencia
Oxidación biológica en continuo de disoluciones de ion ferroso. Aguas de mina
García Gómez, Manuel José; Pereda Marín, Juan; Carranza Mora, Francisco (Congreso Nacional Cuenca Minera de Riotinto, 1988) -
Tesis Doctoral
La oxidación biológica en continuo del ion ferroso en reactores de película bacteriana soportada
García Gómez, Manuel José (1992-10-06)Los drenajes ácidos de las minas de carbón y de sulfuros metálicos, constituyen un importante foco de contaminación, donde ...
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Artículo
Oxygen solubility in copper bioleaching solutions
Mazuelos Rojas, Alfonso; García Tinajero, Carlos Jesús; Romero Aleta, Rafael; Iglesias González, María Nieves; Carranza Mora, Francisco (Elsevier, 2017-01)Oxygen is usually the limiting reagent in bio-leaching processes. For this reason, aeration is a key point to take into ...
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Artículo
Oxygen transfer in ferric iron biological production in a packed-bed reactor
Mazuelos Rojas, Alfonso; Romero Aleta, Rafael; Palencia, I.; Carranza Mora, Francisco; Borjas, F. J. (Elsevier, 2002-07)In this paper, oxygen transfer in the ferrous iron biooxidation process in a packed-bed reactor is studied. The reactor ...
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Artículo
Polyurethane foam as biomass support for removal of thiosalts from flotation process water
Mazuelos Rojas, Alfonso; Iglesias González, María Nieves; Montes Rosua, Cristina; Romero García, Aurora; Romero Aleta, Rafael; Carranza Mora, Francisco (Elsevier, 2021-08-01)Water recycling is a common practice in sulphide ore processing plants by flotation. Inherent thiosalts accumulation in ...
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Patente
Procedimiento de biooxidación de tiosales
Carranza Mora, Francisco; Romero Aleta, Rafael; Iglesias González, María Nieves; Mazuelos Rojas, Alfonso (Oficina Española de Patentes y Marcas , 2020-01-27)Procedimiento de biooxidación de tiosales.La presente invención se refiere a un procedimiento para la eliminación de ...
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Tesis Doctoral
La producción biológica de ion férrico en reactores de lecho fijo
Mazuelos Rojas, Alfonso (1999)El objetivo fundamental de este trabajo de investigación es la aportación de mejoras en el diseño de reactores de biooxidación ...
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Artículo
Recovery of Zn from acid mine water and electric arc furnace dust in an integrated process
Carranza Mora, Francisco; Romero Aleta, Rafael; Mazuelos Rojas, Alfonso; Iglesias González, María Nieves (Elsevier, 2016-01-01)In this paper, the purification of acid mine water and the treatment of electric arc furnace dust (EAFD) are integrated ...
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Artículo
Recuperación de cobre en escorias mediante biolixiviación indirecta
Mazuelos Rojas, Alfonso; Iglesias González, María Nieves; Romero, R.; Forcat, O.; Carranza Mora, Francisco (CSIC, 2009)En los procesos pirometalúrgicos, parte del cobre se pierde en la escoria que se genera como residuo del proceso, pudiendo ...
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Artículo
The BRISA process as a path for efficient copper recovery from waste PCBs
Iglesias González, María Nieves; Carranza Mora, Francisco; Mazuelos Rojas, Alfonso; Romero, Rafael; Lorenzo Tallafigo, Juan; Romero García, Aurora; Ramírez del Amo, Pablo (Elsevier, 2021)In the present work, a two-stage biohydrometallurgical process for copper extraction from waste PCBs is developed. The ...
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Artículo
The reprocessing of hydrometallurgical sulphidic tailings by bioleaching: the extraction of metals and the use of biogenic liquors
Lorenzo Tallafigo, Juan; Iglesias González, María Nieves; Romero García, Aurora; Mazuelos Rojas, Alfonso; Ramírez del Amo, Pablo; Romero Aleta, Rafael; Carranza Mora, Francisco (Elsevier, 2022-01)Mineralurgical and metallurgical processes generate a large amount of harmful residues. These wastes usually contain a ...