Now showing items 1-4 of 4

    • Concentración de una mena de grafito mediante separación electrostática 

      Fernández Gutiérrez, Luis Antonio (Universitat Politècnica de Catalunya, 2016-06)
      Master thesis
      Open Access
      Existe una amplia gama de aplicaciones del grafito a nivel industrial, lo cual es una razón importante para estudiar la separación electrostática como método de concentración del grafito a partir de menas venezolanas, para ...
    • 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
      Open Access
      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
      Open Access
      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 ...
    • Evaluation of metal attenuation from mine tailings in SE Spain (Sierra Almagrera): A soil-leaching column study 

      Navarro Flores, Andrés Francisco (2010-04-01)
      Article
      Open Access
      A laboratory study was undertaken using mine tailings and soil columns to evaluate some of the natural processes that can control the mobility of metals at Pb–Ag mine tailings impoundments. The effects of buffering, pH, ...