Keys for biothanol production processes by fermentation and ionic liquid extraction
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Pérez de los Ríos, Antonia; Hernández Fernández, Francisco José; Zapata Henríquez, Patricio; Missoun, Fatiha; Hernández Fernández, Jesús; [et al.]Grupo de investigación
INQUIPROÁrea de conocimiento
Ingeniería QuímicaPatrocinadores
This work was by the partially supported the Spanish Ministry of Economy and Competitiveness by the FEDER (Fondo Europeo de Desarrollo Regional), ref ENE2014- 54506-C2-2-Rand by the SENECA Foundation 18975/JLI/2013 grants. Fatiha Missoun has a fellowship from Erasmus Mundus programme action 2: EU; MARE NOSTRUM (204195-EM-1-2011-1-ES-ERA MUNDUS-EMA21). V. M. Ortiz-Martínez (Grant FPU AP2012-5444) and M. J. Salar-García (Grant FPI BES-2012-055350) thank the Spanish Education Ministry and Economy and Competitiveness Ministry for supporting their doctoral theses.Fecha de publicación
2017Editorial
ACS PublicationsCita bibliográfica
Antonia Pérez de los Ríos, Francisco José Hernández-Fernández, Patricio Alfredo Zapata Henríquez, Fatiha Missoun, Jesús Hernández-Fernández, Víctor Ortiz-Martínez, María José Salar-García, Luis Javier Lozano Blanco, and Carlos Godínez ACS Sustainable Chemistry & Engineering 2017 5 (8), 6986-6993 DOI: 10.1021/acssuschemeng.7b01170Revisión por pares
siPalabras clave
BioethanolIonic liquids
Liquid−liquid extraction
Fermentation
Saccharomyces cerevisiae
Resumen
Bioethanol is produced by fermenting biomass. However, the main drawback of this process is the high purification costs involved, which are due to the energy-intensive distillation step and a drying step if high ethanol purity is required. This work evaluates an alternative separation–purification process for the production of ethanol, in which an ionic liquid is used to develop an integrated extraction–fermentation process. The capacity of ionic liquids to extract ethanol from an ethanol aqueous solution and their biocompatibility with Saccharomyces cerevisiae was analyzed. Ethanol extraction percentages ranging from 33% to 62% were obtained with the following water insoluble ionic liquids: [EPy+][NTf2–] < [MTOA+][NTf2–] < [OMIM+][BF4–] < [Hex3TDP+][dca–] < [Hex3TDP+][Br–] < [ Hex3TDP+][Cl–]. These ionic liquids could be used for in the postfermentation step of extraction. To evaluate the potential use of these ionic liquids as extraction phase in an integrated reaction/separation ...
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