2012
DOI: 10.1016/j.biortech.2012.01.085
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Effects of hardwood structural and chemical characteristics on enzymatic hydrolysis for biofuel production

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Cited by 65 publications
(32 citation statements)
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“…A comprehensive modeling study of 147 lignocellulosic substrates demonstrated that lignin content has a very clear correlation with the efficiency of enzymatic hydrolysis (Chang and Holtzapple 2000). The negative impact of the presence of lignin is very likely due to the physical barriers it imposes, thus restricting enzyme access to the cellulosic material (Santos et al 2012b;Yang et al 2011).…”
Section: H-lignin S-liginin G-ligninmentioning
confidence: 99%
“…A comprehensive modeling study of 147 lignocellulosic substrates demonstrated that lignin content has a very clear correlation with the efficiency of enzymatic hydrolysis (Chang and Holtzapple 2000). The negative impact of the presence of lignin is very likely due to the physical barriers it imposes, thus restricting enzyme access to the cellulosic material (Santos et al 2012b;Yang et al 2011).…”
Section: H-lignin S-liginin G-ligninmentioning
confidence: 99%
“…A digestibilidade do material pré-tratado foi em torno de quatro vezes maior em comparação à obtida com o bagaço in natura. Este aumento é devido principalmente a uma maior remoção de lignina e grupos acetil (Santos et al, 2012) e também à elevação da porosidade do material lignocelulósico devido ao aumento da remoção de ligações cruzadas de ésteres da xilana presentes na hemicelulose (Tarkow e Feist, 1969). …”
Section: Resultsunclassified
“…O material foi seco ao sol até que se atingisse um teor de umidade próximo de 10%, sendo então moído em um moinho de martelo Dupla 270 (Moinho Benedetti Ltda., Pinhal-SP). O bagaço seco e moído foi caracterizado em relação a sua composição em extrativos, celulose, hemicelulose, lignina e cinzas, de acordo com a metodologia padrão do NREL-National Renewable Energy Laboratory (Sluiter et al 2012). …”
Section: Matéria Primaunclassified
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“…In addition, cellulose degradation occurred via a nucleophilic substitution reaction of the hydroxyl group of lignin (Kobayashi et al 2004) and thus was affected by the content, distribution, and reactivity of lignin and cellulose crystallinity. Lignin acts as a physical barrier that hinders cellulose degradation and conversion caused by the liquefying solvent (Santos et al 2012). In all, the low lignin liquefaction rate of C. polyodonta How.…”
Section: Liquefaction Processes Of the Nut Shells Of Different Camellmentioning
confidence: 98%