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Effect of microbial pretreatment on enzymatic hydrolysis and fermentation of cotton stalks for ethanol production

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2009Publisher:Elsevier BVJournal:Biomass and Bioenergy, volume 33, pages 88-96 (issn: 0961-9534,

Authors: Ratna R. Sharma-Shivappa; Jian Shi; Mari S. Chinn; Noura Howell;

doi: 10.1016/j.biombioe.2008.04.016

Effect of microbial pretreatment on enzymatic hydrolysis and fermentation of cotton stalks for ethanol production

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Abstract

Abstract The potential of microbial pretreatment of cotton stalks by Phanerochaete chrysosporium to degrade lignin and facilitate fuel ethanol production was investigated under two culture conditions: submerged cultivation (SmC) and solid state (SSC) cultivation. Although microbial pretreatments showed significant lignin degradation (LD) (19.38% and 35.53% for SmC and SSC, respectively), a study on hydrolysis and fermentation of the microbial-pretreated cotton stalks showed no increase in cellulose conversion (10.98% and 3.04% for SmC and SSC pretreated samples, respectively) compared to untreated cotton stalks (17.93%). Solid state cultivation demonstrated better selectivity of 0.82 than 0.70 with submerged pretreatment. Washing of pretreated cotton stalks did not significantly increase cellulose conversion. However, heating and washing remarkably improved (P

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	220
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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 1%
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