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Dilute-acid pretreatment of barley straw for biological hydrogen production using Caldicellulosiruptor saccharolyticus

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dc.contributor.author Panagiotopoulos, IA en
dc.contributor.author Bakker, RR en
dc.contributor.author De Vrije, T en
dc.contributor.author Claassen, PAM en
dc.contributor.author Koukios, EG en
dc.date.accessioned 2014-03-01T02:08:40Z
dc.date.available 2014-03-01T02:08:40Z
dc.date.issued 2012 en
dc.identifier.issn 03603199 en
dc.identifier.uri http://hdl.handle.net/123456789/29696
dc.subject Barley straw en
dc.subject Caldicellulosiruptor saccharolyticus en
dc.subject Dilute-acid pretreatment en
dc.subject Fermentability test en
dc.subject Hydrogen en
dc.subject.other Acid loading en
dc.subject.other Biological hydrogen production en
dc.subject.other Caldicellulosiruptor saccharolyticus en
dc.subject.other Dilute acids en
dc.subject.other Dilute-acid en
dc.subject.other Dry matters en
dc.subject.other Fermentability en
dc.subject.other Fermentability tests en
dc.subject.other Monomeric sugars en
dc.subject.other Pre-Treatment en
dc.subject.other Pure sugars en
dc.subject.other Sugar concentration en
dc.subject.other Thermophilic bacteria en
dc.subject.other Hydrogen en
dc.subject.other Loading en
dc.subject.other Photobiological hydrogen production en
dc.subject.other Sugars en
dc.subject.other Nitric acid en
dc.title Dilute-acid pretreatment of barley straw for biological hydrogen production using Caldicellulosiruptor saccharolyticus en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.ijhydene.2012.05.124 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.ijhydene.2012.05.124 en
heal.publicationDate 2012 en
heal.abstract The main objective of this study was to use the fermentability test to investigate the feasibility of applying various dilute acids in the pretreatment of barley straw for biological hydrogen production. At a fixed acid loading of 1% (w/w dry matter) 28-32% of barley straw was converted to soluble monomeric sugars, while at a fixed combined severity of -0.8 30-32% of the straw was converted to soluble monomeric sugars. With fermentability tests at sugar concentrations 10 and 20 g/L the extreme thermophilic bacterium Caldicellulosiruptor saccharolyticus showed good hydrogen production on hydrolysates of straw pretreated with H3PO4 and H2SO4, and to a lesser extent, HNO3. The fermentability of the hydrolysate of straw pretreated with HCl was lower compared to the other acids but equally high as that of pure sugars. At sugar concentration 30 g/L the fermentability of all hydrolysates was low. ©, 2012 Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. en
heal.journalName International Journal of Hydrogen Energy en
dc.identifier.doi 10.1016/j.ijhydene.2012.05.124 en
dc.identifier.volume 37 en
dc.identifier.issue 16 en
dc.identifier.spage 11727 en
dc.identifier.epage 11734 en


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