Ara es mostren els items 8-27 de 73

    • Biogenic hydroxypatite (Apatite II TM) dissolution kinetics and metal removal from acid mine drainage 

      Oliva Moncunill, Josep; Cama, Jordi; Cortina Pallás, José Luís; Ayora Ibáñez, Carlos; Pablo Ribas, Joan de (Elsevier, 2012-04-30)
      Article
      Accés restringit per política de l'editorial
    • 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 ...
    • Characterization of demolished concretes with three different strengths for recycling as coarse aggregate 

      Hoffmann Sampaio, Carlos; Cazacliu, Bogdan G.; Ambrós, Weslei Monteiro; Kronbauer, Márcio André; Tubino, Rejane Maria Candiota; Dal Molin, Denise C. C.; Oliva Moncunill, Josep; Miltzarek, Gérson L.; Waskow, Regis P.; Dos Santos, Viviane L. G.; Silva, Luis F. O. (2021-07-26)
      Article
      Accés obert
    • Concentração de resíduos de construção e demolição por sensor-based sorting 

      Hoffmann Sampaio, Carlos; Cazacliu, Bogdan G.; Ambrós, Weslei Monteiro; Petter, Carlos Otávio; Veras, Moacir Medeiros; Cortina Pallás, José Luís; Oliva Moncunill, Josep (Galoá, 2022)
      Comunicació de congrés
      Accés obert
      Os Resíduos de Construção e Demolição (RCD) apresentam composições diferentes, dependendo da construção do prédio, tamanho da cidade, desenvolvimento do país etc. Os principais componentes do RCD são o concreto e a cerâmica ...
    • Construction and Demolition Waste (CDW) recycling 

      Pourmohammad Golloujeh, Mahsa; Oliva Moncunill, Josep; Hoffmann Sampaio, Carlos (2023-10-03)
      Capítol de llibre
      Accés obert
      The building industry, even though it contributes significantly to a nation’s socioeconomic development, is directly responsible for negative environmental effects including high-energy use and CO2 emission, among others. ...
    • Construction and demolition waste recycling through conventional jig, air jig, and sensor-based sorting: a comparison 

      Hoffmann Sampaio, Carlos; Ambrós, Weslei Monteiro; Cazacliu, Bogdan G.; Oliva Moncunill, Josep; Miltzarek, Gérson L.; Salvador Kuerten. Ariane; Liendo, Maria Alejandra; Silva, Luis.F.O.; Veras, Moacir Medeiros (2021-08-21)
      Article
      Accés obert
    • Demolished concretes recycling by the use of pneumatic jigs 

      Hoffmann Sampaio, Carlos; Cazacliu, Bogdan G.; Ambrós, Weslei Monteiro; Kronbauer, Márcio André; Tubino, Rejane Maria Candiota; Dal Molin, Denise C. C.; Oliva Moncunill, Josep; Miltzarek, Gérson L.; Waskow, Regis P.; Dos Santos, Viviane L. G. (2020-01-01)
      Article
      Accés obert
      Large quantities of construction and demolition waste is generated annually around the world. Part of this material is processed in recycling plants. After removing metals, fines and lights, the construction and demolition ...
    • Destoning the Moatize coal seam, Mozambique, by dry jigging 

      Hoffmann Sampaio, Carlos; Ambrós, Weslei Monteiro; Cazacliu, Bogdan G.; Oliva Moncunill, Josep; Selemane José, David; Miltzarek, Gérson L.; Schadach de Brum, Irineu Antônio; Petter, Carlos Otávio; Zanetti Fernandes, Eunírio; Silva Oliveira, Luis Felipe (2020-08-31)
      Article
      Accés obert
      This paper proposes pre-beneficiation studies by air jigs of the coal layers from a Moatize coal deposit. Pre-beneficiation, also called destoning, removes tailings before the beneficiation plant. The air jigs operate in ...
    • Determination of the friction factors in potash mines 

      Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Oliva Moncunill, Josep (2014-09-01)
      Article
      Accés obert
      The friction factor is an essential parameter to take into account for modelling the ventilation system. One of the principal features that define the friction factor is the roughness, which not only does it have influence ...
    • Development of a physical separation route for the concentration of base metals from old wasted printed circuit boards 

      Walburga Keglevich de Buzin, Pedro Jorge; Ambrós, Weslei Monteiro; Schadach de Brum, Irineu Antônio; Tubino, Rejane Maria Candiota; Hoffmann Sampaio, Carlos; Oliva Moncunill, Josep (2021-09-18)
      Article
      Accés obert
    • Estudio de mercado para la automatización del control de parámetros de seguridad en actividades subterráneas turísticas a través de tecnologías de la información y comunicación (TIC) 

      Sanmiquel Pera, Lluís; Parcerisa Duocastella, David; Alfonso Abella, María Pura; Oliva Moncunill, Josep; Vintró Sánchez, Carla; Freijo Álvarez, Modesto (2012)
      Comunicació de congrés
      Accés obert
      El presente trabajo se enmarca dentro de un proyecto europeo denominado Undersafe financiado por la Unión Europea en el 7th Framework Programme. Su objetivo es diseñar un sistema de monitoreo de cuevas y minas turísticas ...
    • Evaluación de la cultura preventiva dentro del ámbito minero en Sur América 

      Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Felipe Blanch, José Juan de; Oliva Moncunill, Josep (2016)
      Text en actes de congrés
      Accés obert
      Realitzat a/amb:   Cumbre del Sajama
    • Heat flow assessment in an underground mine: an approach to improve the environmental conditions 

      Bascompta Massanes, Marc; Castañón García, Ana María; Sanmiquel Pera, Lluís; Oliva Moncunill, Josep (2016-06-01)
      Article
      Accés obert
    • 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 ...
    • Hydroxyapatite coatings on calcite powder for the removal of heavy metals from contaminated water 

      Gibert Agulló, Oriol; Valderrama Angel, César Alberto; Martínez Martínez, María del Rosario; Darbra Roman, Rosa Maria; Oliva Moncunill, Josep; Martí Gregorio, Vicenç (2021-05-27)
      Article
      Accés obert
      An approach for the remediation of heavy metal-contaminated wastewater that is gaining increasing attention is the application of hydroxyapatite (HAP)-based particles. HAP is conventionally synthesized through wet chemical ...
    • Influence of igneous intrusions on coal flotation feasibility: the case of Moatize Mine, Mozambique 

      Maraschin Zancan, Pedro; Schadach de Brum, Irineu Antônio; Ambrós, Weslei Monteiro; Hoffmann Sampaio, Carlos; Oliva Moncunill, Josep (2023-01-21)
      Article
      Accés obert
      In this study, the influence on the properties of coal caused by proximity with an igneous intrusion in the Moatize mine was evaluated, together with the possibility of beneficiating such coal in the flotation circuit of ...
    • Legislación de seguridad para minas y cuevas turísticas de la Unión Europea 

      Vintró Sánchez, Carla; Oliva Moncunill, Josep; Freijo Álvarez, Modesto; Sanmiquel Pera, Lluís; Parcerisa Duocastella, David; Alfonso Abella, María Pura; Mata Perelló, Josep Maria (2012)
      Comunicació de congrés
      Accés obert
      En este trabajo se presentan los principales resultados del estudio de normativa de seguridad para minas y cuevas turísticas de la Unión Europea (UE). Del conjunto de países donde existen minas y cuevas turísticas se han ...
    • Liberation characteristics of Ta–Sn ores from Penouta, NW Spain 

      Alfonso Abella, María Pura; Hamid, Sarbast Ahmid; Anticoi Sudzuki, Hernán Francisco; García-Vallès, Maite; Oliva Moncunill, Josep; Tomasa Guix, Oriol; López Moro, Francisco Javier; Bascompta Massanes, Marc; Llorens, Teresa; Castro López, David; García Polonio, Francisco (2020-05-31)
      Article
      Accés obert
      The strategic importance of tantalum and its scarcity in Europe makes its recovery fromlow grade deposits and tailings interesting. In Penouta, the contents of Ta and Sn in old tailingsfrom an Sn mine are of economic ...