Listar Artículos (Ingeniería Química) por autor "Iglesias González, María Nieves"
Mostrando ítems 1-20 de 26
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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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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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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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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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Application of sugar foam to a pyrite-contaminated soil
Jiménez Moraza, C.; Iglesias González, María Nieves; Palencia, I. (Elsevier, 2006-04)Mining and mineral processing of sulphide ore deposits produce large quantities of wastes, most of which are characterised ...
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La biolixiviación como pretratamiento de menas auríferas refractarias en matriz de sulfuros.
Carranza Mora, Francisco; Iglesias González, María Nieves; Palencia Pérez, Inmaculada (1998) -
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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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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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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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Eliminación de la refractariedad de una mena de oro en matriz de arsenopirita mediante sulfato férrico
Iglesias González, María Nieves; Palencia Pérez, Inmaculada; Carranza Mora, Francisco (CSIC, 1992)Se estudia la eliminación de la refractariedad de una mena de oro en matriz de arsenopirita. Se prepararon concentrados ...
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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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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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From a Hazardous Waste to a Commercial Product: Learning Circular Economy in the Chemistry Lab
Iglesias González, María Nieves; Ramírez del Amo, Pablo; Lorenzo Tallafigo, Juan (American Chemical Society, 2024-07-30)We are currently facing a change in the production model, moving from the traditional linear model to a model based on ...
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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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Las infraestructuras de recarga y el despegue del vehículo eléctrico
Miranda Hernández, José María; Iglesias González, María Nieves (Universidad Complutense de Madrid, 2015)Este trabajo revisa la evolución y estado actual de la automoción eléctrica; analiza las ventajas ambientales, de eficiencia ...
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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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Modeling copper leaching from non-pulverized printed circuit boards at high concentrations of bioregenerated ferric sulfate
Ramírez del Amo, Pablo; Iglesias González, María Nieves; Dorado, Antonio D. (Elsevier, 2024-10)This work studies the leaching of copper contained in waste printed circuit boards (PCB) with ferric sulfate, with the aim ...
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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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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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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 ...