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Intensifying ethanol production from brewer’s spent grain waste: use of whole slurry at high solid loadings

  • New Biotechnology, 53, 1-8, 2019

Publisher: Elsevier

Abstract

This work targets the valorization of brewer’s spent grain (BSG) waste by ethanol production, providing strategies for increasing titers in the multiple process steps involved. High solid loadings and use of whole slurry from the pretreatment were evaluated, aiming to achieve high ethanol concentration and yield. As variability in BSG chemical composition presents a challenge for their valorization, six different BSGs were chemically characterized, which allowed the selection of two with high polysaccharide content. High solid loadings (up to 25%) were employed for the pretreatment of selected ...

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