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    Author(s): Danilo Scordia; Salvatore L. Cosentino; Thomas W. Jeffries
    Date: 2013
    Source: Industrial Crops & Products, Volume 49, 2013; pp. 392-399.
    Publication Series: Scientific Journal (JRNL)
    Station: Forest Products Laboratory
    PDF: View PDF  (907.15 KB)

    Description

    Giant reed was evaluated for enzymatic hydrolysis and simultaneous saccharification and fermentation(SSF) using a commercial cellulase/β-glucosidase and Scheffersomyces (Pichia) stipitis CBS 6054 for ethanolproduction following dilute-oxalic acid pretreatment. A response surface methodology with two inputparameters – severity factor (SF) and oxalic acid concentration (OA) – was employed to optimize bothenzymatic hydrolysis and SSF. Xylan content after dilute-OA pretreatment decreased with increasingSF and OA; almost complete hydrolysis was observed when the harsher pretreatment conditions wereused. Glucan and lignin content showed an opposite trend with respect to xylan content after dilute-OApretreatment. Accordingly, enzymatic hydrolysis and ethanol production reached 95% of glucan conver-sion and 18 g l−1(75.3% of the maximum theoretical ethanol yield), respectively, with the pretreatmentcondition 4.05 SF and 5% OA w/w.

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    Citation

    Scordia, Danilo; Cosentino, Salvatore L.; Jeffries, Thomas W. 2013. Enzymatic hydrolysis, simultaneous saccharification and ethanol fermentation of oxalic acid pretreated giant reed (Arundo donax L.). Industrial Crops & Products, Volume 49, 2013; pp. 392-399.

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    Keywords

    Arundo donax, Giant reed, Pretreatment, SSF, Bioethanol production, Enzymatic hydrolysis

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