Ara es mostren els items 1-18 de 18

  • A new CVD diamond mosaic-detector for (n, a) cross-section measurements at the n_TOF experiment at CERN 

    Weiß, C.; Griesmayer, E.; Guerrero, C.; Altstadt, S.; Andrzejewski, J.; Audouin, L.; Badurek, G.; Barbagallo, M.; Bécares, V.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Hernández-Prieto, A.; Riego Pérez, Albert (2013-08-02)
    Article
    Accés restringit per política de l'editorial
    At then_TOFexperimentatCERNadedicatedsingle-crystalchemicalvapordeposition(sCVD)Diamond Mosaic-Detectorhasbeendevelopedfor(n,α) cross-sectionmeasurements.Thedetector,characterized by anexcellenttimeandenergyresolution, ...
  • Avaluació eficient dels residus de productes absorbents d’higiene personal a través d'una nova combinació d'un reactor autoclau i la gasificació 

    Jover Vilaró, Pol (Universitat Politècnica de Catalunya, 2015-01)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    Realitzat a/amb:  Fater
    El present Treball de Final de Grau s’ha realitzat durant l’estada a l’empresa Fater S.p.A. a la ciutat de Pescara, Itàlia. Aquest treball forma part d’un projecte europeu anomenat VIRGIN (Highly-efficient ValorIsation of ...
  • Chemical processing routes based on reaction pathways 

    Bertran Subirana, Maria-Ona (Universitat Politècnica de Catalunya / Denmarks Tekniske Universitet, 2013)
    Treball Final de Grau
    Accés obert
    Realitzat a/amb:  Danmarks tekniske universitet
    The integration of reaction and separation tasks in one process unit represents a potential advantage for overcoming reaction limitations, such as reaction equilibrium. The design of reactive separation units based on ...
  • CuZn/ZrO2 catalytic honeycombs for dimethyl ether steam reforming and autothermal reforming 

    Ledesma Rodriguez, Cristian; Llorca Piqué, Jordi (Elsevier, 2013-02)
    Article
    Accés restringit per política de l'editorial
    Dimethyl ether (DME) steam reforming simulating practical applications was tested over catalytic honeycombs coated with ZrO2 and loaded with different amounts of Cu and Zn. The best catalytic performance in terms of ...
  • Equilibrium of simultaneous tert-amyl ethyl ether and tert-amyl alcohol formation reactions 

    Fitó Tarragó, Andreu (Universitat Politècnica de Catalunya / Teknillinen Korkeakoulu ( Helsinki University of Technology), 2008)
    Projecte/Treball Final de Carrera
    Accés restringit per acord de confidencialitat
    The main purpose of this thesis was to study the equilibria of simultaneous tert-amyl ethyl ether and tert-amyl alcohol formation reactions by means of an acidic ion-exchange resin catalyst. The literature review presents ...
  • Ethanol steam reforming for hydrogen generation over structured catalysts 

    López, Eduardo; Jiménez Divins, Nuria; Anzola, Andrés; Schbib, Susana; Borio, Daniel O.; Llorca Piqué, Jordi (2013-04)
    Article
    Accés restringit per política de l'editorial
    The present paper reports on the preparation, characterization and reaction evaluation of structured catalysts toward hydrogen generation via ethanol steam reforming. To these ends, 400 cpsi cordierite monoliths were ...
  • Gel reaction flow patterns in a non-element reactor with two branch flows 

    Rodríguez Vallinas, Diego (Universitat Politècnica de Catalunya / Keio University, 2017-07)
    Projecte Final de Màster Oficial
    Accés obert
    In the framework of chemical and energy engineering fluids have been the subject of many studies for a lot years. In some cases, these fluids upon contact form gels. These gels have many applications like medical, ...
  • Molècules en acció : del big bang als materials del futur 

    Duran, Xavier (Universitat Politècnica de Catalunya, 2010)
    Llibre
    Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
    L'origen de la vida, la forma com els animals s'atreuen o com les plantes es defensen, els mecanismes del càncer, les addiccions, la composició dels pigments de les obres d'art, la forma d'obtenir vehicles més segurs, ...
  • New bio-based materials obtained by thiol-ene/thiol-epoxy dual curing click procedures from eugenol derivates 

    Guzman, Dailyn; Ramis Juan, Xavier; Fernández Francos, Xavier; de la Flor López, Silvia; Serra Albet, Àngels (2017-08)
    Article
    Accés restringit per política de l'editorial
    Novel bio-based and dual-curable thermosets were prepared from eugenol derivatives. The curing sequence combined two click reactions, a photoinduced radical thiol-ene reaction followed by a thermally activated thiol-epoxy ...
  • Numerical study on Taylor flow in monolithic reactors 

    Tauste Campo, Ignasi (Universitat Politècnica de Catalunya / Technishe Universität Dresden, 2008)
    Projecte/Treball Final de Carrera
    Accés restringit per acord de confidencialitat
    Monolithic reactors are promising catalyst designs to intensify multiphase (gas-liquid-solid) reaction processes and several investigations have validated its potential concerning space-time yield and selectivity, especially ...
  • Procés de fabricació del BHT 

    Llorens Gibert, Nil (Universitat Politècnica de Catalunya, 2015-01)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    L’objectiu del projecte és avaluar, de manera teòrica, la viabilitat industrial del procés de fabricació del 2,6-ditert-butil-4-metil-fenol, conegut com BHT, a partir de fenol. S’estudien les diverses vies de reacció ...
  • Room-temperature Suzuki-Miyaura reaction catalyzed by Pd supported on rare earth oxides: Influence of the point of zero charge on the catalytic activity 

    Amoroso, Francesco; Colussi, Sara; del Zotto, Alessandro; Llorca Piqué, Jordi; Trovarelli, Alessandro (2013-06-01)
    Article
    Accés restringit per política de l'editorial
    Five Pd/REO (rare earth oxide) compounds (Pd/La2O3, Pd/CeO2, Pd/Pr6O11, Pd/Sm2O 3, and Pd/Gd2O3) have been successfully used as precatalysts in the Suzuki-Miyaura C-C cross-coupling reaction of aryl bromides with arylboronic ...
  • Sequential curing of off-stoichiometric thiol-epoxy thermosets with a custom-tailored structure 

    Fernández Francos, Xavier; Konuray, Ali Osman; Belmonte, Alberto; de la Flor López, Silvia; Serra Albet, Àngels; Ramis Juan, Xavier (2016-01-01)
    Article
    Accés obert
    A new dual-curing system based on sequential thiol-epoxy click polycondensation and epoxy anionic homopolymerization was studied. Formulations of diglycidyl ether of bisphenol A and trimethylolpropane tris(3-mercaptopropionate) ...
  • Sequential dual curing by selective Michael addition and free radical polymerization of acetoacetate-acrylate-methacrylate mixtures 

    Konuray, Ali Osman; Ruiz, Anna; Morancho Llena, José María; Salla Tarragó, José María; Fernández Francos, Xavier; Serra Albet, Àngels; Ramis Juan, Xavier (2018-01)
    Article
    Accés restringit per política de l'editorial
    A new family of poly(keto ester)-poly(methacrylate) thermosets based on off-stoichiometric acetoacetate-acrylate/methacrylate formulations has been prepared and characterized. The first stage of curing is a self-limiting ...
  • Study of cross-linking reactions on butadiene binders in aqueous finishing 

    Bacardit Dalmases, Anna; Shendrik, Alexander; Combalia Cendra, Felip; Jorge Sánchez, Juan; Ollé Otero, Lluís (2010-12-14)
    Article
    Accés restringit per política de l'editorial
    Butadienes, like acrylic binders and polyurethanes, can be cross-linked to improve their wet fastness properties. Nowadays, four types of cross-linkers for leather finishing are available: polyaziridines,polyisocyanates, ...
  • Thermal degradation of poly(lactic acid) and acrylonitrile-butadiene-styrene bioblends: Elucidation of reaction mechanisms 

    Carrasco Alonso, Félix Ángel; Santana Pérez, Orlando Onofre; Cailloux, Jonathan; Sánchez Soto, Miguel; Maspoch Rulduà, Mª Lluïsa (2017-05-15)
    Article
    Accés obert
    Square plates (nominal tickness: 3 mm, nominal width: 100 mm) of diferent rheolgically modified PLA/acrylonitrile-butadiene-styrene (ABS) blends were manufactured through injection molding process. During processing, the ...
  • Tuning supramolecular aurophilic structures: the effect of counterion, positive charge and solvent 

    Aguilo, Elisabet; Gavara, Raquel; Baucells, Clara; Guitart, Marta; Lima, Joao Carlos; Llorca Piqué, Jordi; Rodríguez Raurell, Laura (Royal Society of Chemistry, 2016-01-01)
    Article
    Accés obert
    The synthesis of the cationic gold(I) complexes [Au(CuCC5H4N)(CH3-PTA)] X (X = I, 1; X = OTf, 4), [Au(C equivalent to CC5H4N-CH3)(PTA)] X (X = I, 2; X = OTf = 5; PTA = 1,3,5-triaza-7-phosphatricyclo[3.3.1.13.7]decane) and ...
  • Validation of a mixing model for CO2-brine systems 

    Ballús Armet, Mónica (Universitat Politècnica de Catalunya / École Polytechnique, 2009)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    In this report, we present a mixing model for brine and CO2. The model is an extension of the previously tested theory for H2O + NaCl mixtures which was imple- mented in a two-phase flow simulator. The incorporation of ...