NDLI: Bioconversion of pine stumps to ethanol: pretreatment and simultaneous saccharification and fermentation

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Bioconversion of pine stumps to ethanol: pretreatment and simultaneous saccharification and fermentation

Content Provider	Scilit
Author	Mendes, Cátia Vanessa Teixeira Vergara, Priscilla Carbajo, Jose María Villar, Juan Carlos Rocha, Jorge Manuel Dos Santos Carvalho, M. Graça
Copyright Year	2019
Abstract	The technical viability was investigated for the conversion of Pinus pinaster stumps to value-added products via a chain of pretreatments and simultaneous saccharification and fermentation (SSF) steps to obtain bioethanol. Sequential steam explosion (SE), organosolv (OS) pretreatment and soda-anthraquinone pulping (Na/AQ) were performed resulting in an unbleached pulp (UBP), which was successfully converted via SSF to bioethanol with concentrations up to 79 g l⁻¹, which corresponds to a conversion yield of 97% and productivity of 1.09 g l⁻¹ h⁻¹ at 15% total solids. Accordingly, delignification steps by oxygen bleaching are not necessary for bioethanol production. Different industrial softwood (SW) pulps were also tested as reference materials. Total lignin contents up to 4.5% in SW-based pulps had no adverse effects on SSF efficiency.
Related Links	https://www.degruyter.com/downloadpdf/journals/hfsg/74/2/article-p212.pdf http://www.degruyter.com/downloadpdf/j/hfsg.ahead-of-print/hf-2018-0126/hf-2018-0126.xml
Ending Page	216
Page Count	5
Starting Page	212
ISSN	00183830
e-ISSN	1437434X
DOI	10.1515/hf-2018-0126
Journal	Holzforschung
Issue Number	2
Volume Number	74
Language	English
Publisher	Walter de Gruyter GmbH
Publisher Date	2019-02-25
Access Restriction	Open
Subject Keyword	Holzforschung Paper and Wood Bioethanol Organosolv Pulping Pine Stumps Simultaneous Saccharification and Fermentation (ssf) Soda-aq Pulping Steam Explosion Journal: Holzforschung, Vol- 74, Issue- 1
Content Type	Text
Resource Type	Article
Subject	Biomaterials

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