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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/55380

    Título
    Formic acid production by simultaneous hydrothermal CO2 reduction and conversion of glucose and its derivatives
    Autor
    Anderez Fernández, MaríaAutoridad UVA
    Ferrero, Sergio
    Queiroz, Joao Paulo Silva
    Pérez Velilla, Eduardo
    Álvarez González, Celedonio ManuelAutoridad UVA Orcid
    Martín Martínez, ÁngelAutoridad UVA Orcid
    Bermejo Roda, Maria DoloresAutoridad UVA Orcid
    Año del Documento
    2022
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Journal of the Taiwan Institute of Chemical Engineers, 2022, vol. 139, 104504
    Abstract
    Background: The hydrothermal reduction of CO2 using organic molecules such as alcohols can produce renewable fuels and platform chemicals, such as formic acid (FA). If the process is performed using glucose as reductant, the yield is especially high, because FA is selectively produced both by reduction of CO2 and by degradation of glucose degradation in alkaline hydrothermal media. Methods: This article analyzes the origin of formic acid using NaH13CO3 as CO2 source, assisted by HPLC and 13C-NMR to study the origin of FA. Significant findings: Results show that two reactions pathways take place: the first one, at short reaction times, consists on the decomposition of glucose into formic acid and other by-products, achieving low yield to FA-13C, whereas longer reaction times lead to a higher yield to FA-13C. Similarly, temperature plays an important role, being 300°C the optimal. Further reactions were performed using the main by-products of previous reactions (acetic acid, lactic acid, glycolaldehyde and glyceraldehyde) as reductants to understand the reaction mechanisms. Results indicate that the reduction pathway of NaHCO3 take place by oxidation of the by-products rather than by the oxidation of glucose itself, needing long reaction times to achieve significant high ratios of FA-13C/ total FA.
    Palabras Clave
    Sodium bicarbonate
    Bicarbonato de sodio
    Subcritical water
    Agua subcrítica
    Acetic acid
    Ácido acético
    Lactic acid
    Ácido láctico
    ISSN
    1876-1070
    Revisión por pares
    SI
    DOI
    10.1016/j.jtice.2022.104504
    Patrocinador
    Junta de Andalucía - Fondo Europeo de Desarrollo Regional (project CLU-2019-04)
    Ministerio de Ciencia, Innovación y Universidades (projects RTI2018-097456-B-I00 and PGC2018-099470-B-I00)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S1876107022003030?via%3Dihub
    Propietario de los Derechos
    © 2022 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/55380
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • MIOMeT - Artículos de revista [51]
    • BioEcoUVa - Artículos de revista [195]
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