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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/57829

    Título
    Economic analysis of an integrated annatto seeds-sugarcane biorefinery using supercritical CO2 extraction as a first step
    Autor
    Albarelli, Juliana
    Santos, Diego
    Cocero Alonso, María JoséAutoridad UVA Orcid
    Meireles, Maria Angela
    Año del Documento
    2016
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    Materials, 2016, vol. 9, n. 6, p. 494
    Resumo
    Recently, supercritical fluid extraction (SFE) has been indicated to be utilized as part of a biorefinery, rather than as a stand-alone technology, since besides extracting added value compounds selectively it has been shown to have a positive effect on the downstream processing of biomass. To this extent, this work evaluates economically the encouraging experimental results regarding the use of SFE during annatto seeds valorization. Additionally, other features were discussed such as the benefits of enhancing the bioactive compounds concentration through physical processes and of integrating the proposed annatto seeds biorefinery to a hypothetical sugarcane biorefinery, which produces its essential inputs, e.g., CO2, ethanol, heat and electricity. For this, first, different configurations were modeled and simulated using the commercial simulator Aspen Plus® to determine the mass and energy balances. Next, each configuration was economically assessed using MATLAB. SFE proved to be decisive to the economic feasibility of the proposed annatto seeds-sugarcane biorefinery concept. SFE pretreatment associated with sequential fine particles separation process enabled higher bixin-rich extract production using low-pressure solvent extraction method employing ethanol, meanwhile tocotrienols-rich extract is obtained as a first product. Nevertheless, the economic evaluation showed that increasing tocotrienols-rich extract production has a more pronounced positive impact on the economic viability of the concept.
    Materias Unesco
    23 Química
    3308 Ingeniería y Tecnología del Medio Ambiente
    Palabras Clave
    Integrated biorefineries
    Biomass valorization
    Supercritical fluid extraction
    Seeds-sugarcane
    Revisión por pares
    SI
    DOI
    10.3390/ma9060494
    Patrocinador
    Fundação de Amparo à Pesquisa do Estado de São Paulo (Brasil) -FAPESP (processes 2013/18114-2; 2015/06954-1)
    Ministério da Educação (Brasil) - CAPES (process 7545-15-0)
    Conselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil) - CNPq ( grant 301301/2010-7)
    Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) y Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) - (Brasil) - (Procesos 2012/10685-8; 2015/13299-0)
    Version del Editor
    https://www.mdpi.com/1996-1944/9/6/494
    Propietario de los Derechos
    © 2016 The Author(s)
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/57829
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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