Browsing by Author "Oliva Moncunill, Josep"Més informacióMés informació

Now showing items 1-20 of 77

    • A comparative study of quartz and potassium feldspar flotation process using different chemical reagents 

      Mohanty, Kalyani; Oliva Moncunill, Josep; Alfonso Abella, María Pura; Hoffmann Sampaio, Carlos; Anticoi Sudzuki, Hernán Francisco (2024-02-04)
      Article
      Open Access
      An improved method for producing high-purity quartz (Qtz) and potassium feldspar (Kfs) concentrates was developed using various chemical reagents. Froth flotation experiments on a Qtz–Kfs mixture showed that quartz could ...

    • A GIS-based approach: influence of the ventilation layout to the environmental conditions in an underground mine 

      Bascompta Massanes, Marc; Castañón García, Ana María; Sanmiquel Pera, Lluís; Oliva Moncunill, Josep (2016-11-01)
      Article
      Open Access

    • 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 ...

    • Analysis of physical properties of coarse aggregates recovered from demolished concrete with a two-stage water jigs process for reuse as aggregates in concrete 

      Bressanelli Teixeira, Artur; Hoffmann Sampaio, Carlos; Oliva Moncunill, Josep; Cortina Pallás, José Luis; Davila Lima, Mónica Mariana; Herrera La Rosa, Grethel Tamara (Multidisciplinary Digital Publishing Institute (MDPI), 2024-07-19)
      Article
      Open Access
      The present work analyses the physical characteristics of aggregates recovered with the waterjigging process from comminuted concrete. In this work, conventional concrete (C16/20) was crushed to a top size of 20 mm with a ...

    • Analysis of the European tourist mines and caves to design a monitoring system 

      Sanmiquel Pera, Lluís; Alfonso Abella, María Pura; Bascompta Massanes, Marc; Vintró Sánchez, Carla; Parcerisa Duocastella, David; Oliva Moncunill, Josep (2018)
      Article
      Open Access
      A database of tourist mines and caves has been created to investigate the requirements of an integrated monitoring system with the aim of ensuring the safety of visitors and preserving the environment of the activities. ...

    • Aprovechamiento de residuos mineros para la fabricación de nuevos materiales 

      Anticoi Sudzuki, Hernán Francisco; Alfonso Abella, María Pura; Garcia Valles, Maite; Hoffmann Sampaio, Carlos; Oliva Moncunill, Josep; Bascompta Massanes, Marc; Martínez Alcalá, Arnau (2023)
      Conference report
      Open Access
      El consumo actual de recursos minerales es muy elevado, conllevando una elevada generación de residuos durante su explotación y procesado industrial. La utilización de estos residuos como materia prima representa una ...

    • Apunts de Disseny d'excavacions de superfície 'Surface mining' 

      Oliva Moncunill, Josep (Universitat Politècnica de Catalunya, 2018)
      Lecture notes
      Open Access

    • Apunts d’energia i mida : processament de minerals 

      Oliva Moncunill, Josep (Universitat Politècnica de Catalunya, 2013)
      Lecture notes
      Open Access

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

      Oliva Moncunill, Josep; Cama, Jordi; Cortina Pallás, José Luis; Ayora Ibáñez, Carlos; Pablo Ribas, Joan de (Elsevier, 2012-04-30)
      Article
      Restricted access - publisher's policy

    • 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
      Open Access
      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
      Open Access

    • 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 Luis; Oliva Moncunill, Josep (Galoá, 2022)
      Conference lecture
      Open Access
      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 ...

    • Concentration plants of construction and demolition waste for coarse aggregate recycling 

      Hoffmann Sampaio, Carlos; Otávio Petter, Carlos; de Freitas Sampaio, Luisa; Oliva Moncunill, Josep; Ambrós, Weslei Monteiro; Bressanelli Teixeira, Artur (2024-06-18)
      Contribution to periodical
      Open Access
      This paper presents simulations of different concentration plants that use Inert Construction and Demolition Waste as feed to generate coarse aggregates from old concretes. Different feed materials were studied: CDW generated ...

    • Construction and Demolition Waste (CDW) recycling 

      Pourmohammad Golloujeh, Mahsa; Oliva Moncunill, Josep; Hoffmann Sampaio, Carlos (2023-10-03)
      Part of book or chapter of book
      Open Access
      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
      Open Access

    • 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 ...

    • Determination of the friction factors in potash mines 

      Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Oliva Moncunill, Josep (2014-09-01)
      Article
      Open Access
      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
      Open Access

    • 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)
      Conference lecture
      Open Access
      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 ...