Ara es mostren els items 1-18 de 18

  • Analysis of occupational accidents in underground and surface mining in Spain using data-mining techniques 

    Sanmiquel Pera, Lluís; Bascompta Massanes, Marc; Rossell Garriga, Josep Maria; Anticoi Sudzuki, Hernán Francisco; Guasch Cacalló, Eduard (2018-03-07)
    Article
    Accés obert
    An analysis of occupational accidents in the mining sector was conducted using the data from the Spanish Ministry of Employment and Social Safety between 2005 and 2015, and data-mining techniques were applied. Data was ...
  • An improved high-pressure roll crusher model for tungsten and tantalum ores 

    Anticoi Sudzuki, Hernán Francisco; Guasch Cacalló, Eduard; Hamid, Sarbast; Oliva Moncunill, Josep; Alfonso Abella, María Pura; Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Escobet Canal, Teresa; Escobet Canal, Antoni; Parcerisa Duocastella, David; Peña Pitarch, Esteve; Argelaguet Isanta, María Rosa; Felipe Blanch, José Juan de (2018-10-25)
    Article
    Accés obert
    An improved approach is presented to model the product particle size distribution resulting from grinding in high-pressure roll crusher with the aim to be used in standard high-pressure grinding rolls (HPGR). This approach ...
  • Breakage function for HPGR: mineral and mechanical characterization of tantalum and tungsten ores 

    Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard; Hamid, Sarbast; Oliva Moncunill, Josep; Alfonso Abella, María Pura; García-Vallès, Maite; Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Escobet Canal, Teresa; Argelaguet Isanta, María Rosa; Escobet Canal, Antoni; Felipe Blanch, José Juan de; Parcerisa Duocastella, David; Peña Pitarch, Esteve (2018-04-20)
    Article
    Accés obert
    The modelling of high pressure grinding rolls is described by the population balance model, a mass balance which includes several functions that are related to the mineral characteristics, material kinetics and operative ...
  • Características de la siniestralidad laboral del sector minero español de productos de cantera y rocas ornamentales en los períodos 2003-2008 y 2009-2014 

    Sanmiquel Pera, Lluís; Bascompta Massanes, Marc; Anticoi Sudzuki, Hernán Francisco; Rossell Garriga, Josep Maria; Freijo Álvarez, Modesto (2017-10-30)
    Article
    Accés obert
  • Friction factors determination and comparison in potash mines 

    Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Anticoi Sudzuki, Hernán Francisco (2015)
    Text en actes de congrés
    Accés obert
    Friction factor is a crucial parameter for assessing and modelling the ventilation system in underground mining. However, the development of a mine along its life can complicate the airflow supply required to the working ...
  • High pressure grinding rolls modelling with population balance models applied to tantalum ore 

    Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard; Hamid, Sarbast; Oliva Moncunill, Josep; Alfonso Abella, María Pura; Escobet Canal, Teresa (2016)
    Text en actes de congrés
    Accés obert
    High pressure grinding rolls are a good alternative for comminution. This device presents low operative cost and high energy performance. Modelling of 16 mono-size assays have been carried out using grinding rolls with ...
  • High pressure grinding rolls modelling with population balance models applied to tantalum ore 

    Guasch Cascallo, Eduard; Anticoi Sudzuki, Hernán Francisco; Hamid, Sarbast; Oliva Moncunill, Josep; Alfonso Abella, María Pura (2016)
    Comunicació de congrés
    Accés obert
  • Mineralogical characterisation of tantalum ores for the optimization of their processing 

    Alfonso Abella, María Pura; Oliva Moncunill, Josep; García-Vallès, Maite; Tomasa Guix, Oriol; Calvo Torralba, Daniel; Guasch Cascallo, Eduard; Anticoi Sudzuki, Hernán Francisco; Parcerisa Duocastella, David (2016-10-19)
    Article
    Accés obert
  • Mineral processing analysis in artisanal gold mining, Peru 

    Anticoi Sudzuki, Hernán Francisco; Alfonso Abella, María Pura; Bascompta Massanes, Marc; Palacios Ubach, Sílvia (2015)
    Text en actes de congrés
    Accés obert
    Realitzat a/amb:  Red Social / Sociedad Nacional de Minería en Pequeña Escala
  • Mineral processing analysis in artisanal gold mining, Peru 

    Anticoi Sudzuki, Hernán Francisco; Alfonso Abella, María Pura; Bascompta Massanes, Marc; Palacios Ubach, Sílvia (2016-10-18)
    Article
    Accés obert
    Realitzat a/amb:  Red Social / Sociedad Nacional de Minería en Pequeña Escala
  • New approach to ball mill modelling as a piston flow process 

    Guasch Cascalló, Eduard; Anticoi Sudzuki, Hernán Francisco; Hamid, Sarbast; Oliva Moncunill, Josep; Alfonso Abella, María Pura; Escobet Canal, Teresa; Sanmiquel Pera, Lluís; Bascompta Massanes, Marc (2018-01-15)
    Article
    Accés restringit per política de l'editorial
  • Optimization of the tantalum ore production by control the milling process 

    Alfonso Abella, María Pura; Oliva Moncunill, Josep; Álvarez Rodríguez, Beatriz; Jorge Sánchez, Juan; Sanmiquel Pera, Lluís; Parcerisa Duocastella, David; Tomasa Guix, Oriol; Calvo Torralba, Daniel; Guasch Cascallo, Eduard; Felipe Blanch, José Juan de; Anticoi Sudzuki, Hernán Francisco; García-Vallès, Maite (2015)
    Text en actes de congrés
    Accés obert
    Tantalum is a strategic metal with multiple applications in the new technologies. Tantalum deposits are scarce in EU. Thus, more efficient extracting processes are necessary to contribute to major European independency on ...
  • Procesamiento sostenible del oro en San Cristóbal, sur del Perú 

    Anticoi Sudzuki, Hernán Francisco; Alfonso Abella, María Pura (Sociedad Española para la Defensa del Patrimonio Geológico y Minero (SEDPGYM), 2011)
    Text en actes de congrés
    Accés obert
    Realitzat a/amb:  Red Social / Sociedad Nacional de Minería en Pequeña Escala
    En este trabajo se intenta introducir el concepto de sostenibilidad a la minería artesanal. Para lograr esto, se estudian y evalúan los procesos efectuados en un poblado dedicado a esta actividad, San Cristóbal. La naturaleza ...
  • Procesamiento sostenible del oro en San Cristóbal, sur del Perú 

    Anticoi Sudzuki, Hernán Francisco (Universitat Politècnica de Catalunya, 2011-02)
    Projecte/Treball Final de Carrera
    Accés obert
    San Cristóbal, poblado minero al sur del Perú, desarrolla la actividad en forma artesanal. Los mineros se organizan en pequeñas asociaciones para extraer el mineral. Mismo así, viven en precarias condiciones. Los objetivos ...
  • Procesamiento sostenible del oro en San Cristóbal, sur del Perú 

    Anticoi Sudzuki, Hernán Francisco; Alfonso Abella, María Pura (Escola Politècnica Superior d’Enginyeria de Manresa, 2010-12-02)
    Comunicació de congrés
    Accés obert
    Realitzat a/amb:  Red Social / Sociedad Nacional de Minería en Pequeña Escala
  • Quantitative mineralogical comparison between HPGR and ball mill products of a Sn-Ta ore 

    Hamid, Sarbast; Alfonso Abella, María Pura; Anticoi Sudzuki, Hernán Francisco; Guasch Cacalló, Eduard; Oliva Moncunill, Josep; Dosbaba, Marek; García-Vallès, Maite; Chugunova, Marina (2018)
    Article
    Accés obert
    The mineralogy and liberation characteristics of the comminuted Penouta leucogranite host of the Sn-Ta ore were determined. Grinding developed by a combination of high-pressure grinding rolls (HPGR) followed by a ball mill ...
  • Safety culture maturity in several latin America mining activities 

    Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Oliva Moncunill, Josep; Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard (2016)
    Comunicació de congrés
    Accés obert
    Realitzat a/amb:  Cumbre del Sajama
    Health and safety is a crucial issue in the mining industry because of the implication of fatalities in this sector. A study of safety culture maturity in several Latin America countries has been done based on the model ...
  • Textural and mineral-chemistry constraints on columbite-group minerals in the Penouta deposit: evidence from magmatic and fluid-related processes 

    Alfonso Abella, María Pura; Hamid, Sarbast; García-Vallès, Maite; Llorens González, Teresa; López Moro, Francisco Javier; Tomasa Guix, Oriol; Calvo Torralba, Daniel; Guasch Cacalló, Eduard; Anticoi Sudzuki, Hernán Francisco; Oliva Moncunill, Josep; Parcerisa Duocastella, David; García Polonio, Francisco (2018-05)
    Article
    Accés obert
    The Penouta Sn-Ta deposit, in the northwest of Spain, is a greisenized granitic cupola where Ta minerals occur mainly as disseminations in a leucogranite body intruded in Precambrian–Lower Cambrian gneisses and mica-schists. ...