Browsing by Subject "Tungsten"

Now showing items 1-7 of 7

    • 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
      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 ...

    • 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
      Open Access
      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 ...

    • 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
      Open Access
      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 ...

    • Nonlinear effects of electrode and bragg reflector materials in BAW resonators 

      García Pastor, David; González Rodríguez, Marta; Hueltes Escobar, Alberto; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Kreuzer, Susanne; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference lecture
      Restricted access - publisher's policy
      This work presents a broadband characterization and modeling of the second harmonic nonlinear response in Bulk acoustic wave (BAW) resonators. The proposed circuit model is based on the constitutive equations describing ...

    • Potential of tungsten tailings as glass raw materials 

      Alfonso Abella, María Pura; Tomasa Guix, Oriol; García-Vallès, Maite; Tarragó Aymerich, Mariona; Martínez Manent, Salvador (2018-10-01)
      Article
      Open Access
      Glasses from different types of tungsten mine tailings were obtained and studied to determine their ability to be used as raw materials of commercial glass. Tailings of granitic composition from Barruecopardo, of calc-silicate ...

    • Recycling of tailings from the Barruecopardo tungsten deposit for the production of glass 

      Alfonso Abella, María Pura; Castro López, David; García-Vallès, Maite; Tarragó Aymerich, Mariona; Tomasa Guix, Oriol; Martínez Manent, Salvador (Springer, 2016-02-26)
      Article
      Open Access

    • The development of flotation and its laboratory testing based on scheelite mineral sample 

      Chugunova, Marina (Universitat Politècnica de Catalunya, 2016-07)
      Master thesis
      Restricted access - author's decision
      Development of flotation plant comprises the accomplishment of various tasks. Such tasks account for the plant equipment selection based on different calculations of equipment parameters and flotation flowsheet. In order ...