 Saccharification of kans grass biomass by a novel fractional hydrolysis method followed by co-culture fermentation for bioethanol productionArchana Mishra and Sanjoy Ghosh Renewable Energy, 2020, vol. 146, issue C, 750-759 Abstract: Present work is focused mainly on recovering maximum amount of soluble pentose and hexose sugars separately, direct from the kans grass (lignocellulosic biomass) by a novel fractional hydrolysis process (pretreatment + hydrolysis + detoxification) with minimum toxic products generation. Effect of biomass loading and preheating time on the fractional hydrolysis process was studied along with various strategies up to 30% H2SO4 (v/v) to reduce the number of stages for acid use minimisation. 84.88% of total reducing sugar present in the kans grass biomass was extracted as separate pentose and hexose sugar fractions with negligible toxics. Zymomonas mobilis and Scheffersomyces shehatae were used during co-culture fermentation; 92.13% of the sugar present in xylose-rich fraction (initial sugar: 21.87 g/L) and 96.32% of glucose-rich fraction (initial sugar: 40.32 g/L) were utilised to produce 25.0 g/L ethanol from the kans grass biomass hydrolysate; thereby achieving 78.6% of the maximum theoretical ethanol production with an average yield of 0.435. Keywords: Bioethanol; Kans grass; Saccharification; Fractional hydrolysis; Co-culture fermentation (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:146:y:2020:i:c:p:750-759 DOI: 10.1016/j.renene.2019.07.016 Access Statistics for this article Renewable Energy is currently edited by Soteris A. Kalogirou and Paul Christodoulides More articles in Renewable Energy from Elsevier |
Is your work missing from RePEc? Here is how to contribute.
Questions or problems? Check the EconPapers FAQ or send mail to .
EconPapers is hosted by the
School of Business at Örebro University.