Evaluation of Ionic Liquids as In Situ Extraction Agents during the Alcoholic Fermentation of Carob Pod Extracts
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Sánchez Segado, Sergio; Salar García, María José; Ortiz Martínez, Víctor Manuel; Pérez de los Ríos, Antonia; Hernández Fernández, Francisco José; [et al.]Área de conocimiento
Tecnología de los AlimentosPatrocinadores
This research was funded by the Fundación Séneca, grant number 20957/PI/18 and The Ministry of Economy and Competitiveness (MINECO) grant number RTI2018-099011-B-I00.Realizado en/con
Universidad Politécnica de Cartagena; Universidad de MurciaFecha de publicación
2019-10-18Editorial
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Sanchez-Segado S, Salar-García MJ, Ortiz-Martínez VM, de los Ríos AP, Hernández-Fernández FJ, Lozano-Blanco LJ. Evaluation of Ionic Liquids as In Situ Extraction Agents during the Alcoholic Fermentation of Carob Pod Extracts. Fermentation. 2019; 5(4):90. https://doi.org/10.3390/fermentation5040090Revisión por pares
SiPalabras clave
Carob podBioethanol
Extractive distillation
Ionic liquids
Biocompatibility
Liquid–liquid extraction
Resumen
Anhydrous ethanol is a promising alternative to gasoline in fuel engines. However, since ethanol forms an azeotrope with water, high-energy-consumption separation techniques such as azeotropic distillation, extractive distillation, and molecular sieves are needed to produce anhydrous ethanol. This work discusses the potential development of an integrated process for bioethanol production using ionic liquids and Ceratonia siliqua as a carbohydrate source for further fermentation of the aqueous extracts. A four-stage counter-current system was designed to improve the sugar extraction yield to values close to 99%. The alcoholic fermentation of the extracts showed ethanol concentrations of 95 g/L using the microorganism Saccharomyces cerevisae. The production of anhydrous ethanol through extractive distillation with ethylene glycol was simulated using CHEMCAD software, with an energy consumption of 13.23 MJ/Kg of anhydrous ethanol. Finally, several ionic liquids were analyzed and are proposed ...
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