Innovative and intensified technology for the biological pretreatment of agro waste for ethanol production

Lignocellulosic biomass is an abundant, renewable resource, but the structural and chemical complexity of biomass acts as a hindrance in its effective utilization for cellulosic ethanol production. Hence, effective pretreatment is always necessary to remove the surrounding matrix of lignin prior to...

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Bibliographic Details
Published in:The Korean journal of chemical engineering 2013, 30(5), 158, pp.1051-1057
Main Authors: Ravikumar, Rajarathinam, Ranganathan, Budhi Venkatesan, Chathoth, Kanchana Nandanan, Gobikrishnan, Sriramulu
Format: Article
Language:English
Subjects:
Biotechnology
Catalysis
Chemistry
Chemistry and Materials Science
Energy
Industrial Chemistry/Chemical Engineering
Materials Science
화학공학
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Summary:Lignocellulosic biomass is an abundant, renewable resource, but the structural and chemical complexity of biomass acts as a hindrance in its effective utilization for cellulosic ethanol production. Hence, effective pretreatment is always necessary to remove the surrounding matrix of lignin prior to the enzymatic hydrolysis. Pretreatment of rice straw by Pleurotus florida was found to be effective and resulted in 49% lignin degradation, whereas fungus along with grape leaves resulted in 99% lignin degradation. This method not only explores a pathway for utilizing the solid agro waste but also results in a value-added product of edible mushrooms that has proved to be the best pretreatment technology for ethanol production. FTIR and SEM analysis confirmed the structural transformation taking place during the pretreatment. The components of grape leaves were also analyzed using GC-MS.
ISSN:0256-1115
1975-7220
DOI:10.1007/s11814-012-0215-9