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Listar por autor "Mazuelos Rojas, Alfonso"
Mostrando ítems 1-20 de 35
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Artículo
A High Productivity Bioprocess for Obtaining Metallic Copper from Printed Circuit Boards (PCBs)
Iglesias González, María Nieves; Dorado, Antonio D.; Ramírez del Amo, Pablo; Mazuelos Rojas, Alfonso (Elsevier, 2024)PCBs constitute a residue rich in metals, among which copper stands out due to its majority content, much higher than that ...
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Artículo
A new thiosalt depuration bioprocess for water- recycling in metallic sulphide mineral processing
Mazuelos Rojas, Alfonso; Iglesias González, María Nieves; Montes Rosúa, Cristina; Lorenzo Tallafigo, Juan; Romero Aleta, Rafael; Carranza Mora, Francisco (Elsevier, 2019-11)Economic and environmental imperatives force the metallic sulphide processing industry to re-use liquors that normally ...
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Artículo
A novel hydrometallurgical treatment for the recovery of copper, zinc, lead and silver from bulk concentrates
Lorenzo Tallafigo, Juan; Romero Aleta, Rafael; Iglesias González, María Nieves; Mazuelos Rojas, Alfonso; Romero Aleta, Rafael; Carranza Mora, Francisco (Elsevier, 2021-03)Nowadays sulphide ores exploitation is undergoing some troubles, which are hindering the treatment through traditional ...
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Artículo
Adaptation of an iron oxidising culture to extremely high Fe concentration by a programmed fed-batch bioreactor
Perdigones, Blanca; Ramírez del Amo, Pablo; Mazuelos Rojas, Alfonso (Elsevier, 2024-01)Ferric iron plays a key role as a leaching agent. In ferric leaching, the generated ferrous iron can be biologically ...
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Artículo
An alternative approach to recover lead, silver and gold from black gossan (polymetallic ore). Study of biological oxidation and lead recovery stages
Lorenzo Tallafigo, Juan; Iglesias González, María Nieves; Mazuelos Rojas, Alfonso; Romero Aleta, Rafael; Carranza Mora, Francisco (Elsevier, 2019-01)A novel procedure to recover lead, silver and gold from polymetallic sulphide ores, cleaner than the traditional ...
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Trabajo Fin de Grado
Aplicaciones biotecnológicas en la producción de oro.
Luque Fernández, Jesús (2023-06-01) -
Artículo
Aplicación del proceso brisa al tratamiento de menas de cobre conteniendo atacamita
Mazuelos Rojas, Alfonso; Romero Aleta, Rafael; Carranza Mora, Francisco (2003) -
Tesis Doctoral
Biooxidación de tiosales con microorganismos extremófilos.
Montes Rosua, Cristina (2018-05-04) -
Artículo
Biorecovery of copper from converter slags: Slags characterization and exploratory ferric leaching tests
Carranza Mora, Francisco; Mazuelos Rojas, Alfonso; Iglesias González, María Nieves; Romero Aleta, Rafael; Forcat, O. (HYDRD, 2009-06)This paper studies the ferric sulphate leaching of converter slag (9% Cu) in order to recover Cu through a process in which ...
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Artículo
Biotic factor does not limit operational pH in packed-bed bioreactor for ferrous iron biooxidation
Mazuelos Rojas, Alfonso; Moreno, José María; Carranza Mora, Francisco; Palomino, Carmen; Torres Rueda, Antonio Ildefonso; Villalobo Polo, Eduardo (Oxford University Press, 2012-12-01)Ferrous ion biooxidation is a process with many promising industrial applications: mainly regeneration of ferric ion as ...
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Artículo
Causes of inhibition of bioleaching by Cu are also thermodynamic
Mazuelos Rojas, Alfonso; García Tinajero, Carlos J.; Romero Aleta, Rafael; Iglesias González, María Nieves; Carranza Mora, Francisco (Wiley-Blackwell, 2019-01)BACKGROUND: Cu is an indispensable natural resource for society, as its use is widespread and essential for many technologies. ...
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Artículo
Copper recovery from chalcopyrite concentrates by the BRISA process
Romero Aleta, Rafael; Mazuelos Rojas, Alfonso; Palencia, I.; Carranza Mora, Francisco (Elsevier, 2003-07)The technical viability of the BRISA process (Biolixiviación Rápida Indirecta con Separación de Acciones: Fast Indirect ...
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Artículo
Copper recovery from unground printed circuit board by biogenic ferric at high solid/liquid ratio
Iglesias González, María Nieves; Ramírez del Amo, Pablo; Lorenzo Tallafigo, Juan; Romero García, Aurora; Mazuelos Rojas, Alfonso; Romero Aleta, Rafael; Carranza Mora, Francisco (Elsevier, 2022)In this work, the recovery of Cu from large waste printed circuit board (PCB) pieces by biogenic ferric sulphate at high ...
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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
Ferrous iron biooxidation in a flooded packed-bed bioreactor at extreme conditions of iron concentration and acidity
Mazuelos Rojas, Alfonso; Moreno-Pérez, Martín; Perdigones, Blanca; Ramírez del Amo, Pablo; Iglesias González, María Nieves (Elsevier, 2023-12)The utility of ferrous iron biooxidation is to regenerate Fe(III) at required rates and conditions in specific hydrometallurgical ...
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Libro
I Jornada de Formación de Profesores Noveles Universitarios
Rodríguez López, José María; González-Piñero Doblas, Lorena; Arquero Montaño, José Luis; Abreu Sánchez, Ana; Spinola-Elias, Yolanda; Periáñez Cristóbal, Rafael; Calama Rodríguez, José María; Herrero Vázquez, Eduardo; Mazuelos Rojas, Alfonso; Durán-Barrantes, María de la Montaña; Donoso Anés, José Antonio; Río Rodríguez, Rita del; Borrás Álvarez, María del Carmen; Mancera-Martínez, Manuel-Fernando; Arenas Márquez, Francisco José; Chávez Miranda, María Esther; Molleda Jimena, Guillermo; Ruiz del Castillo, José Carlos; Pérez López, Aurora Virginia; López Gavira, María Rosario; Pérez López, José Ángel (Universidad de Sevilla. Instituto de Ciencias de la Educación, 2001) -
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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Artículo
Microbial Populations in Ferrous Iron Oxidation Bioreactors
Villalobo Polo, Eduardo; Mazuelos Rojas, Alfonso (Universidad Pablo de Olavide de Sevilla, 2016)Motivación: ferrous iron oxidation can take place in partly controlled biological reactors inoculated with ...