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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/54818

    Título
    Addition of amines to molasses and lees as corrosion inhibitors in sustainable de-icing materials
    Autor
    Cherubin, Alberto
    Guerra Navarro, Francisco JavierAutoridad UVA Orcid
    Barrado Esteban, EnriqueAutoridad UVA Orcid
    García Serrada, Carlos
    Pulido Pelaz, Francisco JoséAutoridad UVA Orcid
    Año del Documento
    2022
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Sustainable Chemistry and Pharmacy, 2022, vol. 29, 100789
    Resumo
    The waste formed during sugar- and wine-making activities has attracted our attention given its ability to inhibit corrosion in the presence of brine in a de-icing formulation. Herein the addition of amines to de-sugared beet molasses and winery lees is found to improve their anti-corrosive properties. Thus, weight-loss experiments clearly show that the addition of a small amount of amines to molasses or lees results in marked corrosion inhibition on carbon and galvanized steel. Subsequent electrochemical experiments and microscopy studies supported this finding. In addition, microscopy images indicated that triethanolamine was the best candidate amongst the amines tested for use in the final de-icing formulation. Ice-melting experiments demonstrated that the presence of molasses/lees together with triethanolamine does not alter the properties of the de-icing agent. When corrosion on galvanized and carbon steel probes was measured under environmental conditions, a decrease of 88% for galvanized steel and 65% for carbon steel was achieved due to the inhibiting action of the molasses/triethanolamine mixture. These results suggest that the addition of molasses/lees and triethanolamine to brine-based de-icing agents is recommended.
    Palabras Clave
    Molasses
    Melaza
    Triethanolamine
    Trietanolamina
    ISSN
    2352-5541
    Revisión por pares
    SI
    DOI
    10.1016/j.scp.2022.100789
    Patrocinador
    Junta de Castilla y Leon - Fondo Europeo de Desarrollo Regional (project 04/8/VA0013)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S2352554122001930
    Propietario de los Derechos
    © 2022 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/54818
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    • DEP67 - Artículos de revista [52]
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    Universidad de Valladolid

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