Using Paecilomyces variotii in a biorefinery concept to produce single-cell protein and bioethanol from hardwood spent sulphite liquor
authors T.M. Henriques, S.R. Pereira, L.S. Serafim, A.M.R.B. Xavier
abstract This work shows that acidic sulphite pulp industries could use the fungus Paecilomyces variotii in a biorefinery concept to valorise hardwood spent sulphite liquor (HSSL), in order to produce bioethanol after the single-cell protein (SCP) production improving their sustainability. P. variotii was able to use inhibitory compounds present in HSSL to grow, namely acetic acid, leaving the sugars in the media. The SCP produced by P. variotii in HSSL is a good candidate for animal feeding and eventually for human nutrition. Finally, the bio-detoxification of HSSL showed to be a good approach to allow bioethanol production by Scheffersomyces stipitis.
publisher FEUP Edições
year published 2014
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