Now showing items 1-13 of 13

    • Bio-ethanol steam reforming and autothermal reforming in 3- m channels coated with RhPd/CeO2 for hydrogen generation 

      Divins, N.J.; López, Eduardo; Rodríguez Martínez, Ángel; Vega, Didac; Llorca Piqué, Jordi (2013-02)
      Article
      Restricted access - publisher's policy
      A silicon micromonolith of 7 mm diameter and 0.2 mm length containing 1.5 million regular channels with a diameter of 3.3 μm was used for obtaining hydrogen through ethanol or bio-ethanol steam reforming (ESR) and oxidative ...
    • Development of microstructured zeolite films as highly accessible catalytic coatings for microreactors 

      Urbiztondo Castro, Miguel Ángel; Valera Cano, Enrique Andrés; Todorov Trifonov, Trifon; Alcubilla González, Ramón; Irusta Alderete, Silvia; Pina Isitia, María Pilar; Rodríguez Martínez, Ángel; Santamaria Ramiro, Jesus (2007-08-15)
      Article
      Restricted access - publisher's policy
      Regular structures of SiO2 microneedles and Si micromonoliths have been formed using processing methods similar to those used in the microelectronics field; then these structures have been used as supports for zeolite ...
    • Diseño de un reactor solar fotocatalítico para la producción de hidrógeno 

      Doz Murillo, Laura (Universitat Politècnica de Catalunya, 2016-09-05)
      Master thesis
      Open Access
      Actualmente se está trabajando con microreactores que aprovechan la radiación solar ultravioleta para la producción de hidrógeno y para ello disponen de un catalizador semiconductor. Experimentalmente se ha demostrado que ...
    • Disseny d'un minireactor de policondensació 

      Aldea Roselló, Sergi (Universitat Politècnica de Catalunya, 2014-09)
      Master thesis (pre-Bologna period)
      Open Access
      La problemàtica en les reaccions de policondensació, és que l'equilibri entre els reactius i els productes és establert ràpidament, i per tant, la producció del producte desitjat , un polièster, s'atura. Es planteja la ...
    • Energy from hydrogen. Hydrogen from renewable fuels for portable applications 

      Llorca Piqué, Jordi (2011-11-01)
      Article
      Restricted access - publisher's policy
      Molecular hydrogen is an environmentally clean source of energy, but it is not available on Earth. Steam reforming of bio-derived compounds represents a valuable route for the generation of molecular hydrogen and has the ...
    • Ethanol steam reforming over cobalt talc in a plate microreactor 

      Dominguez, M.; Cristiano, G.; López, E.; Llorca Piqué, Jordi (2011-12-01)
      Article
      Restricted access - publisher's policy
      Stainless steel plates were coated with cobalt talc (Co3[Si2O5]2(OH)2) and used in a catalytic plate microreactor for producing hydrogen from ethanol steam reforming at low temperature. Cobalt talc was deposited successfully ...
    • Écoulements segmentés pour l'intensification d'une réaction GLL 

      Rosa Arangones, Eduard (Universitat Politècnica de Catalunya / École Supérieure de Chimie Physique Électronique de Lyon, 2009)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Ce travail réalisé au LGPC est consacré à l’étude de microréacteurs triphasiques continus mettant en oeuvre des écoulements segmentés Gaz-Liquide-Liquide. Une première partie est consacrée à l’étude hydrodynamique des ...
    • Macroporous silicon coated with M/TiO2 (M=Au,Pt) as a highly efficient photoreactor for hydrogen production 

      Serafin, Jaroslaw; Soler Turu, Lluís; Vega Bru, Didac; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (2020-03-07)
      Article
      Restricted access - publisher's policy
      Macroporous silicon disks containing ordered channels of 2 µm side and 0.2 mm length (9 × 106 channels cm-2) have been functionalized with a thin layer of Au/TiO2 and Pt/TiO2 photocatalysts and tested in the photoproduction ...
    • Macroporous silicon microreactor for the preferential oxidation of CO 

      Divins, N.J.; López, E.; Llorca, J.; Vega, Didac; Rodríguez Martínez, Ángel; González de Rivera, F.; Angurell, I.; Seco, M.; Rossell, O. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      A macroporous silicon micromonolith containing ca. 40,000 regular channels of 3.3 μm in diameter per square millimeter has been successfully functionalized with an Au/TiO2 catalyst for CO preferential oxidation (CO-PrOx) ...
    • Producció d’hidrogen a partir de dimetil èter (DME) amb un microreactor 

      Solano Gómez, Pau (Universitat Politècnica de Catalunya, 2015-01)
      Master thesis (pre-Bologna period)
      Open Access
      La gran part dels estudis, dins del marc energètic, se centren en trobar noves fonts d’energia més netes. Molts d’aquests estudis intenten demostrar la viabilitat real d’utilitzar l’hidrogen com una alternativa ...
    • Standalone ethanol micro-reformer integrated on silicon technology for onboard production of hydrogen-rich gas 

      Pla, Dolors; Salleras, M.; Morata García, Alejandro; Garbayo, I.; Gerboles, M.; Sabaté, Nuria; Divins, N. J.; Casanovas Hoste, Adrià; Llorca Piqué, Jordi; Tarancón Rubio, Albert (2016)
      Article
      Restricted access - publisher's policy
      A novel design of a silicon-based micro-reformer for onboard hydrogen generation from ethanol is presented in this work. The micro-reactor is fully fabricated with mainstream MEMS technology and consists of an active ...
    • Study of thermal behaviour of microsystems for Reaction Engineering 

      Comas Alvarez, Nuria (Universitat Politècnica de Catalunya / Institut National Polytechnique de Toulouse, 2010)
      Master thesis (pre-Bologna period)
      Open Access
      Process intensification is a new paradigm in Chemical Engineering, aiming at achieving sustainability in the process industry, so the world’s requirements for energy and consumer products are met without compromising ...
    • Using compact discs as nanoreactors for photocatalytic applications 

      Sans Milà, Jordi (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Institut de Tècniques Energètiques (INTE)
      This project presents a novel work developing cheap nanoreactors with Au/TiO2 photocatalyst for H2 production; using the morphology of compact discs (CD) as the fundamental matrices to set up nanochannels for the reactors. ...