Now showing items 1-20 of 25

    • A limiting case of constant counterion electrochemical potentials in the membrane for examining ion transfer at ion-exchange membranes and patches 

      Yaroshchuk, Andriy; Bondarenko, Mykola; Tang, Chao; Bruening, Merlin (2019-10-08)
      Article
      Open Access
      Ion passage through ion-exchange membranes is vital in electrodialysis desalination, batteries and fuel cells, and water splitting. Simplified models of ion transport through such membranes frequently assume complete ...
    • Affinity of dual energy X-ray transmission sensors on minerals bearing heavy rare earth elements 

      Veras, Moacir Medeiros; Young, Aaron Samuel; Born, Cristiano Rocha; Szewczuk, Artur; Bastos Neto, Artur Cezar; Petter, Carlos Otávio; Hoffmann Sampaio, Carlos (2020-03-01)
      Article
      Restricted access - publisher's policy
      This work demonstrates the effective use of automatic sensor-based sorting technology as a viable separation method for rare earth element (REE) rich ores composed primarily of xenotime minerals with gagarinite-(Y) and ...
    • Analysis and design of a capillary driven blood plasma separation microfluidic device 

      Madadi, Hojjat (Universitat Politècnica de Catalunya, 2014-01-17)
      Doctoral thesis
      Open Access
      Recently, the emergence of lab-on-a-chip devices has seen in a variety of applications especially in clinical analys is and diagnostics. ln particular the lack of suitable microdevices for separation of plasma from whole ...
    • Analysis of low temperature carbon dioxide capture in a supersonic nozzle 

      Hernandez Nogales, Álvaro (Universitat Politècnica de Catalunya / Technishe Universität München, 2011)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Most energy scenarios suggest carbon capture and storage (CCS) from power generation might contribute to achieve the carbon emissions reduction necessary to stabilize the long-term global average atmospheric temperature. ...
    • Biofiltro percolador aerobio para eliminación de óxidos de nitrógeno (nox): puesta en marcha 

      Cubides Paez, David Fernando (Universitat Politècnica de Catalunya, 2019-07)
      Master thesis
      Restricted access - author's decision
      En el presente trabajo se realiza un estudio para determinar la idoneidad de utilizar técnicas biológicas para el proceso de absorción y oxidación de monóxido de nitrógeno (NO) a nitrato y/o nitrito.Por tanto, se diseñó ...
    • Characterization and modelling of micro and nanofluidic systems 

      Licon Bernal, Edxon Eduardo (Universitat Politècnica de Catalunya, 2015-03-13)
      Doctoral thesis
      Open Access
      Lab-on-a-chip arrangements are ever more frequently used for the miniaturization of chemical and biochemical analysis. In these arrangements, all the manipulations of analyte transport, separation, mixing with reactants ...
    • 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 ...
    • Direct current insulator based dielectrophoresis (DC-iDEP) microfluidic chip for blood plasma separation 

      Mohammadi, Mahdi (Universitat Politècnica de Catalunya, 2015-04-10)
      Doctoral thesis
      Open Access
      Lab-on-a-Chip (LOC) integrated microfluidics has been a powerful tool for new developments in analytical chemistry. These microfluidic systems enable the miniaturization, integration and automation of complex biochemical ...
    • Diseño de una Unidad Desbencenizadora 

      Ruiz Ortiz, Víctor (Universitat Politècnica de Catalunya, 2008-04)
      Master thesis (pre-Bologna period)
      Open Access
      En el siguiente estudio se propone el diseño completo de una unidad desbencenizadora. La función primordial de dicha unidad será separar el benceno a partir de una alimentación compuesta por naftas de reformado. ...
    • Electromagnetic process to purify nuclear molten salts 

      Mestre Molist, Marta (Universitat Politècnica de Catalunya / Institut National Polytechnique de Grenoble, 2011)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      The separation between actinides and fission products could be realized by a pyrometallurgical liquid/liquid extraction process. Thanks to an oxide-reductive reaction, a mass exchange occurs at the interface between a ...
    • Energy balances in separation process 

      Cussó Grau, Núria (Universitat Politècnica de Catalunya / École des Mines d’Albi-Carmaux, 2008)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement
    • Energy optimisation and controllability in complex distillation columns 

      Serra, Maria (Universitat Politècnica de Catalunya, 2000-09-12)
      Doctoral thesis
      Open Access
      To extend the knowledge of complex distillation arrangements for the separation of ternary mixtures and make them closer to implementation in industry is the motivation of this thesis work. Some design, operation, and ...
    • Estudi comparatiu de les tècniques de coagulació, electrocoagulació i electro-oxidació pel tractament d’aigües residuals de la indústria tèxtil 

      Argelaguet Viñas, Clàudia (Universitat Politècnica de Catalunya, 2017-06-10)
      Bachelor thesis
      Restricted access - author's decision
    • Extraction des métaux lourds de boues issues d´une séparation granulométrique de cendres volantes d´incinérateur. Cas particulier du plomb 

      Bagó Pintó, Albert (Universitat Politècnica de Catalunya / Université Libre Bruxelles, 2008)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement
    • Implications of inhomogeneous distribution of concentration polarization for interpretation of pressure-driven 

      Fernández de Labastida Ventura, Marcos; Licon, Edxon; Yaroshchuk, Andriy (2016-08-22)
      Article
      Open Access
      A number of CFD studies have demonstrated that there is a considerable inhomogeneity of extent of Concentration Polarization (CP) over the membrane surface especially in spacer-filled feed channels. However, the consequences ...
    • Investigation of sedimentation behaviour of micro crystalline cellulose 

      Laguarda Martínez, Eduard (Universitat Politècnica de Catalunya / Chalmers Tekniska Högskola, 2011)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Batch settling is a widely used method to separate a flocculated suspension into concentrated sediment and a clear liquid. Experimental and theoretical studies of this process have been published for almost a century due ...
    • Optimization and dust emissions analysis of the air jigging technology applied to the recycling of construction and demolition waste 

      Waskow, Regis P.; Dos Santos, Viviane L. G.; Ambrós, Weslei Monteiro; Hoffmann Sampaio, Carlos; Passuello, Ana; Tubino, Rejane Maria Candiota (2020-07-15)
      Article
      Restricted access - publisher's policy
      This work aims to evaluate the use of the air jigging technique, a density-based separation technology commonly applied in mineral processing, to upgrade the quality of mixtures (density and geometric properties) that ...
    • Parametrization of the efficiency curves for an experimental hydrocyclone 

      Pla Rubiralta, Dídac (Universitat Politècnica de Catalunya, 2018-01)
      Bachelor thesis
      Restricted access - author's decision
      This work shows the results of the experimental study made with an experimental hydrocyclone used in the mineral processing laboratory, EPSEM (Manresa, Barcelona). The study elaborated shows the efficiency curves and cut ...
    • Procesos de separación de biotecnología industrial 

      Recasens Baxarías, Francisco Javier (Iniciativa Digital Politècnica, Oficina de Publicacions Acadèmiques Digitals de la UPC, 2018)
      Book
      Restricted access to the UPC academic community
      La biotecnología moderna se basa en la ingeniería genética, pero sin los procesos posteriores de separación y purificación a escala de producción, ningún bioproducto puede llegar a ser una realidad comercial. Este libro ...
    • Processos de separació de biotecnologia industrial 

      Recasens Baxarías, Francisco Javier (Universitat Politècnica de Catalunya. Iniciativa Digital Politècnica, 2015)
      Book
      Open Access
      Aquest llibre és el resultat de l’experiencia de l’autor en la docencia i el desenvolupament experimental de processos, a la indústria química a diferents empreses i universitats. La biotecnologia moderna es basa en la ...