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Title: Enzymatic hydrolysis, simultaneous saccharification and ethanol fermentation of oxalic acid pretreated giant reed (Arundo donax L.)

Source: Industrial Crops & Products, Volume 49, 2013; pp. 392-399.

Author(s): Scordia, Danilo; Cosentino, Salvatore L.; Jeffries, Thomas W.

Publication Year: 2013  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4712-1B

Abstract: 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.

Keywords: Arundo donax; Giant reed; Pretreatment; SSF; Bioethanol production; Enzymatic hydrolysis

Publication Review Process: Formally Refereed

File size: 907 kb(s)

Date posted: 09/16/2014

This publication is also viewable on Treesearch:  view
RITS Product ID: 68867

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