delignification of switchgrass cultivars for bioethanol production

Clicks: 292
ID: 179845
2011
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Ranked #40 of 185 articles by views in medical archives (sarajevo, bosnia and herzegovina)

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Abstract
Three switchgrass cultivars (‘Performer’, ‘BoMaster’, and ‘Colony’ switchgrass) were delignified using NaOH at varying concentrations and residence times at 121 oC for improved sugar production in enzymatic hydrolysis. Because of its greater carbohydrate/lignin ratio and the more substantial lignin reduction upon alkaline attack, ‘Performer’ switchgrass gave greater sugar productions under all the pretreatment conditions investigated. Maximum sugar production from ‘Performer’ was 425 mg/g raw biomass, which was achieved at 1% NaOH and 0.5 h. Sugar production increased with the improvement of delignification until the lignin reduction reached 30%. The more severe pretreatment conditions, which led to greater lignin reductions, did not favor the increase of sugar production because of greater solid losses. Linear models were proven effective in correlating a modified severity parameter log(Mo) to lignin reduction and sugar production of ‘Performer’ switchgrass.
Reference Key
xu2011bioresourcesdelignification Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jiele Xu;Ye Chen;Jay J. Cheng;Ratna Sharma-Shivappa;Joseph Burns
Journal medical archives (sarajevo, bosnia and herzegovina)
Year 2011
DOI
DOI not found
URL
www.ncsu.edu/bioresources/BioRes_06/BioRes_06_1_0707_Xu_CCSB_Delig_Switchgrass_Cultivars_Bioethanol_Prodn_1275.pdf
Keywords
delignification severity lignocellulose modeling

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