Articles producció científica> Química Física i Inorgànica

Hydrogenolysis of glycidol as alternative route to obtain selectively 1,3-propanediol using MOx modified Ni-Cu catalysts supported on acid mesoporous saponite

  • Dades identificatives

    Identificador: PC:3204
    Autors:
    Salagre, P.Gebretsadik, F.B.Llorca, JCesteros, Y.
    Resum:
    Filiació URV: SI
  • Altres:

    Autor segons l'article: Salagre, P.; Gebretsadik, F.B.; Llorca, J; Cesteros, Y.
    Departament: Química Física i Inorgànica
    Autor/s de la URV: SALAGRE CARNERO, MARÍA PILAR; Gebretsadik, F.B.; Llorca, J; CESTEROS FERNÁNDEZ, YOLANDA
    Paraules clau: Copper nickel Hydrogenolysis
    Resum: Ni and Cu mono- and bi-metallic catalysts modified with various types of acid oxides MOx (M = Mo, V, W and Re) were tested for hydrogenolysis of glycidol, as alternative route to hydrogenolysis of glycerol to obtain 1,3-propanediol. Characterization results revealed that the presence of modifiers affected dispersion and reducibility of the NiO particles, and the strength and amount of the acid sites. Among the modifiers tested, Re showed the highest activity, high propanediols selectivity and the highest 1,3-PrD/ 1,2-PrD ratio. Ni-Cu/Re ratio was optimized to improve the catalytic activity. The best catalytic result, with 46 % 1,3-PrD yield and 1,3-PrD/1,2-PrD ratio of 1.24, was obtained when monometallic Ni catalyst at 40 wt % loading and modified with 7 wt % Re was used at 393 K, 5 MPa H2 pressure after 4 h of reaction. The overall 1,3-PrD yield starting from glycerol and assuming a two-step synthesis (Glycerol  Glycidol  1,3-PrD) and a yield of 78% for the first step, would be 36 %. This 1,3-PD yield is the highest for non-noble metal catalyzed reaction and is comparable to direct hydrogenolysis of glycerol using noble metal catalysts, at longer time and high H2 pressure.
    Grup de recerca: Materials Catalítics en Química Verda
    Àrees temàtiques: Química Química Chemistry
    Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
    ISSN: 1867-3880
    Identificador de l'autor: 0000-0003-3257-2022; ; ; 0000-0002-5439-9358
    Data d'alta del registre: 2018-03-15
    Pàgina final: 3680
    Volum de revista: 9
    Versió de l'article dipositat: info:eu-repo/semantics/acceptedVersion
    Enllaç font original: http://onlinelibrary.wiley.com/doi/10.1002/cctc.201700536/abstract
    Programa de finançament: CTQ2011-24610
    URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
    DOI de l'article: 10.1002/cctc.201700536
    Entitat: Universitat Rovira i Virgili
    Any de publicació de la revista: 2017
    Pàgina inicial: 3670
    Tipus de publicació: Article Artículo Article
  • Paraules clau:

    Glicidol
    Reni
    Catalitzadors
    Copper
    nickel
    Hydrogenolysis
    Química
    Química
    Chemistry
    1867-3880
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