Now showing items 1-8 of 8

    • Catalytic performance of zinc-supported copper and nickel catalysts in the glycerol hydrogenolysis 

      Chimentäo, Ricardo José; Miranda Morales, Bárbara C.; Gispert Guirado, Francesc; Medina Cabello, Francisco; Llorca Piqué, Jordi; Santos, João Batista O. (2020-03-01)
      Article
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      Gas-phase catalytic conversion of glycerol to value added chemicals was investigated over zinc-supported copper and nickel catalysts. The addition of aluminum in the support was also investigated in glycerol conversion and ...
    • Conversion of glycerol over 10%Ni/y-Al2O3 catalyst 

      Miranda Morales, Bárbara C.; Chimentao, Ricardo J; Santos, Jeannette B O; Gispert Guirado, Francesc; Llorca Piqué, Jordi; Medina Cabello, Francisco; López Bonillo, Francisco; Sueiras, Jesus Eduardo (2014-04-05)
      Article
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      The conversion of glycerol in gas phase and atmospheric pressure has been investigated over 10 wt.% Ni/γ-Al2O3 catalyst. The catalysts were prepared with nickel nitrate and pre-treated with hydrogen in the range of 623–1073 ...
    • Direct growth of hydrotalcite nanolayers on carbon fibers by electrospinning 

      Modesto Lopez, Luis B; Chimentao, Ricardo J; Alvarez, Mayra G; Rosell Llompart, Joan; Medina Cabello, Francisco; Llorca Piqué, Jordi (2014-11-01)
      Article
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      Hydrotalcite (HT) nanolayers have been grown directly on carbon fibers by carbonization and subsequent hydration of electrospun PVA/PEO/MgAl-nitrate fibers. The growth of the layered material was ascertained by X-ray ...
    • Durable ethanol steam reforming in a catalytic membrane reactor at moderate temperature over cobalt hydrotalcite 

      Espinal, Raul; Anzola, Andrés; Adrover, E; Roig Costa, Maria; Chimentao, Ricardo J; Medina Cabello, Francisco; López, E; Borio, Daniel O.; Llorca Piqué, Jordi (2014-07-15)
      Article
      Restricted access - publisher's policy
      Ethanol steam reforming has been carried out in a catalytic membrane reactor consisting of cobalt hydrotalcite [Co2Mg4Al2(OH)(16)]CO3 center dot 4H(2)O-derived catalyst doped with potassium supported over cordierite and a ...
    • Effect of impregnation protocol in the metallic sites of Pt-Ag/activated carbon catalysts for water denitration 

      Aristizabal, A.; Contreras, Sandra; Jiménez Divins, Nuria; Llorca Piqué, Jordi; Medina Cabello, Francisco (2014-04-15)
      Article
      Restricted access - publisher's policy
      The influence of the Pt precursor and the impregnation protocol in the catalytic behavior of 3%Pt-1.5%Ag supported on activated carbon for water denitration in a continuous reactor was studied. Pt(NH3)(4)(NO3)(2) and H2PtCl6 ...
    • Enhanced photocatalytic degradation of methylene blue: Preparation of TiO2/reduced graphene oxide nanocomposites by direct sol-gel and hydrothermal methods 

      Atout, H.; Alvarez, Mayra G; Chebli, D.; Bouguettoucha, A.; Tichit, Didier; Llorca Piqué, Jordi; Medina Cabello, Francisco (2017-11)
      Article
      Open Access
      In this study, two different preparation methods of titanium dioxide nanoparticles/reduced graphene oxide nanocomposites were investigated using direct sol-gel method followed by hydrothermal treatment or simple hydrothermal ...
    • Heterogeneous catalytic oxidation of phenol by in situ generated hydrogen peroxide applying novel catalytic membrane reactors 

      Osegueda, O.; Dafinov, Antonio; Medina Cabello, Francisco; Llorca Piqué, Jordi; Sueiras, Jesus Eduardo (2015-02-15)
      Article
      Open Access
      This work presents a novel method for oxidation of organic matter in water solutions based on catalytic membrane reactors. The oxidant, hydrogen peroxide, is generated directly in the bulk of the liquid investigated. ...
    • Influence of copper on nickel-based catalysts in the conversion of glycerol 

      Miranda Morales, Bárbara C.; Chimentao, Ricardo J; Szanyi, J; Braga, A.H.; Santos, Jeannette B O; Gispert Guirado, Francesc; Llorca Piqué, Jordi; Medina Cabello, Francisco (2015-05-01)
      Article
      Open Access
      The catalytic transformation of glycerol to value-added compounds was investigated over bimetallic Ni-Cu/gamma-Al2O3 catalysts with Ni/Cu atomic ratios of 8/1, 4/1, 2/1, 1/1, 1/2, 1/4, and 1/8. XPS analysis revealed that ...