Articles producció científica> Enginyeria Química

Catalytic aldol condensation of bio-derived furanic aldehydes and acetone: Challenges and opportunities

  • Dades identificatives

    Identificador: imarina:9281745
    Autors:
    Tampieri AFöttinger KBarrabés NMedina F
    Resum:
    Bio-derived furfural and 5-hydroxymethylfurfural can be combined with acetone to yield aldol condensation products that may serve as biofuel and polymer precursors. We have explored different catalytic systems to obtain and purify each product in the most efficient way. The results of the catalytic tests of the cross-condensations and of the self-condensation of acetone allowed the comparison of the different reactivity of the two aldehydes. Online and in situ/operando ATR-IR was used to monitor the reaction over time and to study the interaction of the reaction species with the solid catalyst, especially the formation of deactivating organic matter that covers the surface, which is a major issue in heterogeneous condensation processes. In situ NMR was used to study the ongoing reaction, assessing its stereoselectivity, and to study the behavior of deuterated species in the catalytic system. Finally, the preparation of C14, a hetero-double-condensation product, was also explored.
  • Altres:

    Autor segons l'article: Tampieri A; Föttinger K; Barrabés N; Medina F
    Departament: Enginyeria Química
    Autor/s de la URV: Medina Cabello, Francisco
    Paraules clau: Nmr Mg-al hydrotalcites In situ/operando Hydrotalcite Atr-ir Aldol condensation performance operando nmr mixed oxides in situ hydrotalcite fuels feedstocks decomposition conversion chemicals biomass atr-ir alkanes
    Resum: Bio-derived furfural and 5-hydroxymethylfurfural can be combined with acetone to yield aldol condensation products that may serve as biofuel and polymer precursors. We have explored different catalytic systems to obtain and purify each product in the most efficient way. The results of the catalytic tests of the cross-condensations and of the self-condensation of acetone allowed the comparison of the different reactivity of the two aldehydes. Online and in situ/operando ATR-IR was used to monitor the reaction over time and to study the interaction of the reaction species with the solid catalyst, especially the formation of deactivating organic matter that covers the surface, which is a major issue in heterogeneous condensation processes. In situ NMR was used to study the ongoing reaction, assessing its stereoselectivity, and to study the behavior of deuterated species in the catalytic system. Finally, the preparation of C14, a hetero-double-condensation product, was also explored.
    Àrees temàtiques: Química Process chemistry and technology Medicina ii Materiais Interdisciplinar Geociências General environmental science Farmacia Environmental science (miscellaneous) Environmental science (all) Engineering, environmental Engineering, chemical Engenharias iv Engenharias iii Engenharias ii Engenharias i Ciências biológicas i Ciências ambientais Ciências agrárias i Ciência de alimentos Chemistry, physical Catalysis Biotecnología Astronomia / física
    Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
    Adreça de correu electrònic de l'autor: francesc.medina@urv.cat
    Identificador de l'autor: 0000-0002-3111-1542
    Data d'alta del registre: 2024-09-07
    Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
    Enllaç font original: https://www.sciencedirect.com/science/article/pii/S092633732200830X
    URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
    Referència a l'article segons font original: Applied Catalysis B-Environmental. 319
    Referència de l'ítem segons les normes APA: Tampieri A; Föttinger K; Barrabés N; Medina F (2022). Catalytic aldol condensation of bio-derived furanic aldehydes and acetone: Challenges and opportunities. Applied Catalysis B-Environmental, 319(), -. DOI: 10.1016/j.apcatb.2022.121889
    DOI de l'article: 10.1016/j.apcatb.2022.121889
    Entitat: Universitat Rovira i Virgili
    Any de publicació de la revista: 2022
    Tipus de publicació: Journal Publications
  • Paraules clau:

    Catalysis,Chemistry, Physical,Engineering, Chemical,Engineering, Environmental,Environmental Science (Miscellaneous),Process Chemistry and Technology
    Nmr
    Mg-al hydrotalcites
    In situ/operando
    Hydrotalcite
    Atr-ir
    Aldol condensation
    performance
    operando
    nmr
    mixed oxides
    in situ
    hydrotalcite
    fuels
    feedstocks
    decomposition
    conversion
    chemicals
    biomass
    atr-ir
    alkanes
    Química
    Process chemistry and technology
    Medicina ii
    Materiais
    Interdisciplinar
    Geociências
    General environmental science
    Farmacia
    Environmental science (miscellaneous)
    Environmental science (all)
    Engineering, environmental
    Engineering, chemical
    Engenharias iv
    Engenharias iii
    Engenharias ii
    Engenharias i
    Ciências biológicas i
    Ciências ambientais
    Ciências agrárias i
    Ciência de alimentos
    Chemistry, physical
    Catalysis
    Biotecnología
    Astronomia / física
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