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Browsing by Author "Ruiz Cánovas, Carlos"
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Aplicación del sistema de remediación pasivo Sustrato Alcalino Disperso (DAS) para tratar lixiviados de fosfoyesos altamente ácidos y contaminantes
Millán Becerro, Ricardo; Ruiz Cánovas, Carlos
; Macías Suárez, Francisco; Pérez López, Rafael; Nieto Liñán, José Miguel (Sociedad Geológica de España, 2021)
Este trabajo estudia la viabilidad de la tecnología conocida como Sustrato Alcalino Disperso (DAS) para el tratamiento pasivo de efluentes extremadamente ácidos y contaminantes procedentes de la balsa de fosfoyesos ... -
Caracterización hidroquímica de los arroyos que vierten a la Ría de Huelva
Ruiz Cánovas, Carlos; Olías Álvarez, Manuel; Cerón García, Juan Carlos; Nieto Liñán, José Miguel (Sociedad Geológica de España, 2004)
The estuary known as Ría of Huelva receives the flow of two rivers intensely affected by acid mine drainage (AMD), the Odiel and Tinto rivers. The aim of this work is to evaluate the quality and the seasonal variations of ... -
Characterization of main AMD inputs to the Odiel River upper reach (SW Spain)
Riera Bayo, Julia; Ruiz Cánovas, Carlos; Olías Álvarez, Manuel (Elsevier, 2017)
The Iberian Pyrite Belt (IPB) is rich in sulfide deposits which have been intensively exploited, generating a huge problem of contamination of the Odiel River by acid mine drainage (AMD). At its source is a clean river, ... -
Distribution and availability of rare earth elements and trace elements in the estuarine waters of the Ría of Huelva (SW Spain)
Ruiz Cánovas, Carlos; Basallote Sánchez, María Dolores; Macías Suárez, Francisco (Elsevier, 2020-08)
Metal pollution in estuaries represents a serious environmental challenge, especially in areas affected by industrial and mining activities. This study investigates the metal partitioning and availability of rare earth ... -
Effects of estuarine water mixing on the mobility of trace elements in acid mine drainage leachates
Pérez López, Rafael; Millán Becerro, Ricardo; Basallote Sánchez, María Dolores; Carrero Romero, Sergio; Parviainen, Annika; Freydier, Rémi; Macías Suárez, Francisco; Ruiz Cánovas, Carlos (Elsevier, 2023)
This research reports the effects of pH increase on contaminant mobility in acid mine drainage from the Iberian Pyrite Belt by seawater mixing in the laboratory, simulating the processes occurring in the Estuary of Huelva ... -
Environmental assessment and management of phosphogypsum according to European and United States of America regulations
Macías Suárez, Francisco; Pérez López, Rafael; Ruiz Cánovas, Carlos; Carrero Romero, Sergio; Cruz Hernández, Pablo (Elsevier, 2017)
Waste derived from fertilizer production has been accumulated worldwide for decades, especially during the last century. This waste is mainly formed by phosphogypsum; a mixture of gypsum along with phosphates, fluorides, ... -
Environmental management and potential valorization of wastes generated in passive treatments of fertilizer industry effluents
Millán Becerro, Ricardo; Macías Suárez, Francisco; Ruiz Cánovas, Carlos; Pérez López, Rafael; Fuentes López, José María (Elsevier, 2022-05)
A phosphogypsum stack located in SW Spain releases highly acidic and contaminated leachates to the surrounding estuarine environment. Column experiments, based on a mixture of an alkaline reagent (i.e., MgO or Ca(OH)2) ... -
Estudio preliminar del depósito de fosfoyesos de Huelva como fuente potencial de elementos de interés económico
Ruiz Cánovas, Carlos; Pérez López, Rafael; Millán, Ricardo; Miguel Nieto, José (Sociedad Geológica de España, 2017)
Este trabajo trata de explorar el potencial de los fosfoyesos generados en una planta de fertilizantes en el SO España como fuente de elementos de interés económico, estimando las reservas disponibles y evaluando las ... -
Evolución de la carga metálica en un tramo del río Odiel afectado por drenaje ácido de minas (provincia de Huelva)
Riera, Julia; Olías Álvarez, Manuel; Ruiz Cánovas, Carlos (Sociedad Geológica de España, 2016)
This work quantifies the impact of the first acid mine discharges to the Odiel River and studies the variation of the dissolved and particulate pollutant load. The acid mine discharges cause the progressive deterioration ... -
Evolution of flood levels of open pits in the Tharsis mining district and characterization of the pollutant load from acid mine drainage sources
(Universidad de Huelva, 2021)The Tharsis mining district is the second most important of the Iberian Pyrite Belt (IPB). The intense exploitation of sulphides carried out since the Copper Age but, above all, since the second half of 19th century to ... -
Geochemical behaviour and transport of technology critical metals (TCMs) by the Tinto River (SW Spain) to the Atlantic Ocean
Ruiz Cánovas, Carlos; Basallote Sánchez, María Dolores; Macías Suárez, Francisco; Olías Álvarez, Manuel; Pérez López, Rafael; Ayora, Carlos; Nieto Liñán, José Miguel (Elsevier, 2021-04)
This paper addresses the behaviour of several technology critical metals (TCMs), i.e., rare earth elements (REEs), Y, Sc, Ga and Tl, in the Tinto River (SW Spain), quantifying their fluxes to the Atlantic Ocean and unravelling ... -
Geochemical processes in an acidic mine lake in the Iberian Pyrite Belt: San Telmo pit lake (SW Spain)
Ruiz Cánovas, Carlos; Nieto Liñán, José Miguel; Olías Álvarez, Manuel (Universidad de Huelva, 2012)
This study provides information on the physicochemical processes of water and sediments from San Telmo pit lake. It is a valuable tool to evaluate best treatment remediation options in the long term. This lake has ... -
Geología de Huelva : lugares de interés geológico
Abad de los Santos, Manuel; Alonso Chaves, Francisco Manuel; Barba Brioso, Cinta; Borrego Flores, José; Cáceres Puro, Luis Miguel; Camacho Cerro, Manuel Alejandro; Cantano Martín, Mercedes; Carro Flores, Berta; Castro Dorado, Antonio; Cerón García, Juan Carlos; Delgado Rodríguez, Irene; Rosa Díaz, Jesús de la; Díaz Azpiroz, Manuel; Donaire Romero, Teodosio; Fernández Caliani, Juan Carlos; Fernández Rodríguez, Carlos; Galván González, Laura; García Navarro, Encarnación; González Barrionuevo, Felipe; González-Regalado Montero, María Luz; González Roldán, Manuel Jesús; Santos, Ana Alexandra Guerreiro dos; López Chicano, Manuel; López González, Nieves; Mantero Romero, Elena María; Martín Rosales, Wenceslao; Mayoral Alfaro, Eduardo; Miguel Sarmiento, Aguasanta; Morales González, Juan Antonio; Moreno Garrido, María Carmen; Moreno-Ventas Bravo, Ignacio; Nieto Liñán, José Miguel; Olías Álvarez, Manuel; Pascual Martínez, Emilio; Pendón Martín, José Gabriel; Pérez López, Rafael; Requena Abujeta, Ana Ángeles; Rodríguez Ramírez, Antonio; Rodríguez Vidal, Joaquín; Ruiz Cánovas, Carlos; Ruiz de Almodóvar Sel, Gabriel; Ruiz Muñoz, Francisco; Sáez Ramos, Reinaldo; Sánchez de la Campa Verdona, Ana María; Sierra del Pino, Sonia; Toscano Macías, Manuel; Tosquella Angrill, Josep; Valenzuela Aznar, Alfonso (Universidad de Huelva, 2008)
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La calidad del agua de los ríos Tinto y Odiel : evaluación temporal y factores condicionantes de la movulidad de los metales
Ruiz Cánovas, Carlos (2008)
Pirítica Ibérica (FPI), una de las principales regiones metalogénicas del mundo, por lo que ambos ríos están profundamente degradados por los lixiviados generados por el Los ríos Tinto y Odiel discurren en su mayor parte ... -
La contaminación minera de los ríos Tinto y Odiel
Olías Álvarez, Manuel; Nieto Liñán, José Miguel; Miguel Sarmiento, Aguasanta; Ruiz Cánovas, Carlos (Junta de Andalucía, 2010)
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La contaminación minera de los ríos Tinto y Odiel
Olías Álvarez, Manuel; Nieto Liñán, José Miguel; Miguel Sarmiento, Aguasanta; Ruiz Cánovas, Carlos (Universidad de Huelva, 2008)
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Metal(loid) release from sulfide-rich wastes to the environment: The case of the Iberian Pyrite Belt (SW Spain)
Ruiz Cánovas, Carlos; Macías Suárez, Francisco; Basallote Sánchez, María Dolores; Olías Álvarez, Manuel; Nieto Liñán, José Miguel; Pérez López, Rafael (Elsevier, 2021)
Sulfide-mining wastes may lead to severe environmental and human health risks, especially challenging in abandoned mines without environmental regulation. This work is aimed at discussing the environmental problems associated ... -
Metal/loid release from cyanidation wastes in response to rainfalls
Ruiz Cánovas, Carlos; Macías Suárez, Francisco; González de la Aleja Pérez, Carolina; Pérez López, Rafael; Nieto Liñán, José Miguel (Elsevier, 2017)
Cyanide heap leach operations developed in Tharsis (SW Spain) from 1982 to 2001 left the legacy of a huge amount of cyanidation wastes deposited over a total area of 47 ha without any type of isolation. The main goals of ... -
Mine waters as a secondary source of rare earth elements worldwide: The case of the Iberian Pyrite Belt
León, Rafael; Macías Suárez, Francisco; Ruiz Cánovas, Carlos; Pérez López, Rafael; Ayora Ibáñez, Carlos; Nieto Liñán, José Miguel; Olías Álvarez, Manuel (Elsevier, 2021-05)
Acid Mine Drainage (AMD) generates a great concern worldwide due to its severe impact to water resources during hundreds and even thousands of years after the cessation of mining activity if control measures are not ... -
Mineral reactivity in sulphide mine wastes: influence of mineralogy and grain size on metal release
Ruiz Cánovas, Carlos; González de la Aleja Pérez, Carolina; Macías Suárez, Francisco; Pérez López, Rafael; Basallote Sánchez, María Dolores; Olías Álvarez, Manuel; Nieto Liñán, José Miguel (Copernicus Publications, 2019)
The aqueous oxidation of sulphide minerals leads to the generation of acid mine drainage (AMD), one of the main causes of water pollution worldwide. Mineral reactivity is greatly enhanced as a result of extraction and ...
