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Chandel, A.K., Antunes, F.A.F., Anjos, V., Bell, M.J.V., Rodrigues, L.N., Polikarpov, I., Azevedo, ER de., Bernardinelli, O.D., Rosa, C.A., Pagnocca, F.C. and da Silva, S.S. (2014) Multi-Scale Structural and Chemical Analysis of Sugarcane Bagasse in the Process of Sequential Acid-Base Pretreatment and Ethanol Production by Scheffersomyces shehatae and Saccharomyces cerevisiae. Biotechnology for Biofuels, 7, 63.
https://doi.org/10.1186/1754-6834-7-63
has been cited by the following article:
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TITLE:
Multi-Scale Structural Studies of Sequential Ionic Liquids and Alkali Pretreated Corn Stover and Sugarcane Bagasse
AUTHORS:
Ishwinder Kaur, Girish Sahni
KEYWORDS:
Pretreatment, Ionic Liquids, Alkali, Structural Studies, Hydrolysis
JOURNAL NAME:
Green and Sustainable Chemistry,
Vol.8 No.1,
February
11,
2018
ABSTRACT: The complexity of plant cell walls impedes the conversion of cellulosic biomass to sugars. Pretreatment becomes a necessity to increase the digestibility of biomass. An in-depth understanding of the structure and underlying mechanisms governing deconstruction process is important. In the present study, the comprehensive investigation of morphological and structural changes in corn stover and sugarcane bagasse following ionic liquids dissolution and alkaline extraction was done using Fourier transform infrared spectroscopy, Thermogravimetric analysis, Confocal scanning laser microscopy, Atomic force microscopy and Dynamic light scattering studies. Both the substrates were pretreated with ILs 1-ethyl-3-methylimidazolium acetate and 1-butyl-3-methylimidazolium acetate followed by alkaline extraction. The pronounced changes such as lignin, hemicelluloses removal and decreased cellulose crystallinity after the pretreatments lead to the structural transformation of matrix polymers. The enzymatic hydrolysis showed 90% theoretical sugar yield in case of sugarcane bagasse and 80% in corn stover following synergistically combined pretreatments.
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