Exploració per tema "Osmosi"

Ara es mostren els items 1-17 de 17

    • A first estimate for a pressure-retarded osmosis-driven thermosyphon 

      Arias Montenegro, Francisco Javier (2017-12-01)
      Article
      Accés obert
      Pressure retarded osmosis (PRO) process and its significance for thermosyphon technology is discussed. In previous work the possibility to drive a thermosyphon by difference of densities from induced salinity gradients ...

    • A first estimate for thermal osmotic long storage 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-09-15)
      Article
      Accés obert
      In this brief note, a first assessment on the possibilities for thermal osmotic storage using the thermal precipitation of aqueous solutions as alternative to sensible heat storage is performed. In a recent study it was ...

    • An estimate for thermal osmotic heat storage using precipitation of common salts 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-09-09)
      Article
      Accés obert
      In this brief note, a first assessment on the possibilities for thermal osmotic storage by harnessing the thermal dependence of the solubility of common salts as an alternative method to sensible heat storage is discussed. ...

    • "Breakthrough" osmosis and unusually high power densities in Pressure-Retarded Osmosis in non-ideally semi-permeable supported membranes 

      Yaroshchuk, Andriy (Macmillan Publishers, 2017-03-23)
      Article
      Accés obert
      Osmosis is the movement of solvent across a membrane induced by a solute-concentration gradient. It is very important for cell biology. Recently, it has started finding technological applications in the emerging processes ...

    • Comparison of four methods to simulate swelling in poroelastic finite element models of intervertebral discs 

      Galbusera, Fabio; Schmidt, Hendrik; Noailly, Jérôme; Malandrino, Andrea; Lacroix, Damien Jerome; Wilke, Hans-Joachim; Shirazi-Adl, Aboulfazi (2011-10)
      Article
      Accés restringit per política de l'editorial
      Osmotic phenomena influence the intervertebral disc biomechanics. Their simulation is challenging and can be undertaken at different levels of complexity. Four distinct approaches to simulate the osmotic behaviour of the ...

    • Energia per processos d'osmosi 

      Comas Margarit, Roger (Universitat Politècnica de Catalunya, 2023-04-20)
      Projecte Final de Màster Oficial
      Accés obert
      En l’actualitat, la generació d’energia renovable és una obligació per a arribar als objectius de neutralitat en emissions de carboni, com així aconseguir un preu de l’electricitat just i assequible per a tota la població ...

    • Enhanced treatment of urban wastewater effluent via forward osmosis and ozonation 

      Torrescusa Miguélez, Albert (Universitat Politècnica de Catalunya, 2023-10-31)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Technische Universität Wien
      Treball de fi de máster que tractarà sobre el tractament d'un efluent que conté certs paràmetres que previament han estat analitzats i són perjudicials pel medi ambient d'acord amb els estàndards, es tractarà l'efluent amb ...

    • Integration of monopolar and bipolar electrodialysis for valorization of seawater reverse osmosis desalination brines: Production of strong acid and base 

      Reig i Amat, Mònica; Casas, Sandra; Valderrama Ángel, César Alberto; Gibert Agulló, Oriol; Cortina Pallás, José Luís (2016-07-14)
      Article
      Accés obert
      Water scarcity in the Mediterranean basin has been solved by using seawater desalination reverse osmosis technology (SWD-RO). This technology produces brine which is discharged back into the sea resulting in an environmental ...

    • Monitorització i simulació d’una planta d’osmosis directe (FO) per ús agrícola 

      Gimeno Llinàs, Albert (Universitat Politècnica de Catalunya, 2021-07-05)
      Treball Final de Grau
      Accés obert
      Aquest document recull el desenvolupament i els resultats d’un projecte de monitorització i simulació d’una planta experimental de tractament d’aigua que opera amb osmosis directa i nanofiltració. El principal problema ...

    • Ocean salt basins energy harvesting 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2020-04-02)
      Article
      Accés obert
      In this work, the potential of harvesting energy from ocean salt basins is discussed. These deep ocean depressions which host thick salts deposits whose salinities could be up to 5-10 times higher than normal seawater open ...

    • On osmotic heat engines driven by thermal precipitation-dissolution of saturated aqueous solutions 

      Arias Montenegro, Francisco Javier (2018-11)
      Article
      Accés obert
      Cyclic thermal precipitation and dissolution of saturated aqueous solutions and its significance with regard to osmotic heat engines (OHEs) is discussed. Here, the thermal dependence of the solubility is harnessed by ...

    • On osmotic heat powered cycles driven by thermal saturation-precipitation of aqueous solutions 

      Arias Montenegro, Francisco Javier (2019-08-09)
      Article
      Accés obert
      The basis of a novel concept for osmotic heat powered cycles driven by the thermal dependence of the solubility of aqueous solutions inducing the continuous thermal precipitation/dissolution of solute is outlined. In this ...

    • On the feasibility of ocean brine pool power stations 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-10-22)
      Article
      Accés obert
      The demonstrated existence of vast brine pools in a number of places in the ocean basin around the world offers an interesting opportunity to the production of power from ocean, which has not been yet considered. The ...

    • Pool pressure-retarded osmosis 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2020-04-23)
      Article
      Accés obert
      In this work, consideration is given for pressure-retarded osmosis (PRO) system in a pool configuration. The motivation behind of such a configuration lies in the possibility to eliminate mechanical moving parts or energy ...

    • Pressure retarded osmosis thermosyphon 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2018-10)
      Article
      Accés restringit per política de l'editorial
      The basis of a novel method for passive solar water heating homologous to the thermosyphon but driven by induced salinity which circulates a fluid without the necessity of a mechanical pump and with inverse natural convection ...

    • Study of the operational performance of a two-step RO leachate treatment plant in Buchen, Germany 

      Torrents Gimeno, Andrea (Universitat Politècnica de Catalunya, 2011-07-02)
      Projecte Final de Màster Oficial
      Accés obert
      Sanitary landfills are the primary method currently used for municipal solid waste disposal in many countries. The landfill regulation state that the waste disposed must be previously pretreated, with a biologic or ...

    • Use of commercial grape phenolics extracts to supplement solid foodstuff 

      Rózek, Aleksandra; Achaerandio Puente, María Isabel; Güell, Carme; López, F.; Ferrando, Montserrat (Elsevier, 2007)
      Text en actes de congrés
      Accés restringit per política de l'editorial