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Ara es mostren els items 1-15 de 15

    • An improved high-pressure roll crusher model for tungsten and tantalum ores 

      Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, 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 ...

    • 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 Cascallo, 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 ...

    • 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 ...

    • 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

    • 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: model validation andfunction parameters dependency on processconditions 

      Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard; Oliva Moncunill, Josep; Alfonso Abella, María Pura; Bascompta Massanes, Marc; Sanmiquel Pera, Lluís (Elsevier, 2019)
      Article
      Accés obert
      A model for High Pressure Grinding Rolls (HPGR) was developed in this work based on thewidely used Population Balance Model (PBM). This approach uses a variety of different func-tions one of which is the breakage distribution ...

    • 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

    • Modeling the liberation of comminuted scheelite using mineralogical properties 

      Hamid, Sarbast; Alfonso Abella, María Pura; Oliva Moncunill, Josep; Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard; Hoffmann Sampaio, Carlos; García-Vallès, Maite; Escobet Canal, Teresa (2019-09-03)
      Article
      Accés obert
      In this paper, the modeling of the liberation of scheelite is presented. A pattern of concentration experiments was performed to investigate the scheelite liberation and distribution density calculation procedure. In this ...

    • New approach to ball mill modelling as a piston flow process 

      Guasch Cascallo, 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
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    • 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 ...

    • 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 Cascallo, 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 ...

    • Rod mill product control and its relation to energy consumption: a case study 

      Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard; Pérez Álvarez, Rubén; de Luis Ruiz, Julio Manuel; Oliva Moncunill, Josep; Hoffmann Sampaio, Carlos (2022-01-30)
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      Accés obert

    • 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 Cascallo, 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. ...

    • Variability study of bond work index and grindability index on various critical metal ores 

      González García, Gloria; Oliva Moncunill, Josep; Guasch Cascallo, Eduard; Anticoi Sudzuki, Hernán Francisco; Coello Velázquez, Alfredo L.; Menendez Aguado, Juan Maria (Multidisciplinary Digital Publishing Institute (MDPI), 2021-06-01)
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      Accés obert