Now showing items 1-4 of 4

  • 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
    Open Access
    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
    Open Access
    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 ...
  • 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
    Open Access
    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 ...
  • 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
    Open Access
    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. ...