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  • Title: γ-Alumina as a process advancing tool for a new generation biofuel.
    Author: Syngiridis K, Bekatorou A, Kallis M, Kandylis P, Kanellaki M, Koutinas AA.
    Journal: Bioresour Technol; 2013 Mar; 132():45-8. PubMed ID: 23399494.
    Abstract:
    The production of volatile fatty acids (VFAs) in a continuous process using a synthetic glucose medium as model substrate in the presence of γ-alumina as promoter is described. The results showed formation of acetic, propionic, isobutyric, butyric, isovaleric and valeric acids, with acetic acid being more than 90% of the total VFAs produced. It is also highlighted that γ-alumina enhanced the simultaneous production of acetic acid and ethanol, which in some cases was formed at concentrations able to esterify about 85% of the produced VFAs. Since most agro-industrial effluents can be treated by anaerobic acidogenic digestion, while lignocellulosic biomass can be converted to VFAs after hydrolysis, this contribution can lead to a breakthrough in the research of biofuel production from renewable waste sources.
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