Ethanol production from cassava peels usingSaccharomyces cerevisiaevia ethanologenic fermentation process

Adewale Allen Sokan-Adeaga, Godson R.E.E. Ana, Abel Olajide Olorunnisola, Micheal Ayodeji Sokan-Adeaga, Hridoy Roy, Md Sumon Reza and Md. Shahinoor Islam

Arab Gulf Journal of Scientific Research, 2024, vol. 42, issue 4, 1664-1684

Abstract: Purpose - This study aims to assess the effect of water variation on bioethanol production from cassava peels (CP) usingSaccharomyces cerevisiaeyeast as the ethanologenic agent. Design/methodology/approach - The milled CP was divided into three treatment groups in a small-scale flask experiment where each 20 g CP was subjected to two-stage hydrolysis. Different amount of water was added to the fermentation process of CP. The fermented samples were collected every 24 h for various analyses. Findings - The results of the fermentation revealed that the highest ethanol productivity and fermentation efficiency was obtained at 17.38 ± 0.30% and 0.139 ± 0.003 gL−1h−1. The study affirmed that ethanol production was increased for the addition of water up to 35% for the CP hydrolysate process. Practical implications - The finding of this study demonstrates thatS.cerevisiaeis the key player in industrial ethanol production among a variety of yeasts that produce ethanol through sugar fermentation. In order to design truly sustainable processes, it should be expanded to include a thorough analysis and the gradual scaling-up of this process to an industrial level. Originality/value - This paper is an original research work dealing with bioethanol production from CP usingS.cerevisiaemicrobe. Highlights - Hydrolysis of cassava peels using 13.1 M H2SO4at 100oC for 110 min gave high Glucose productivityHighest ethanol production was obtained at 72 h of fermentation usingSaccharomyces cerevisiaeOptimal bioethanol concentration and yield were obtained at a hydration level of 35% agitationHighest ethanol productivity and fermentation efficiency were 17.3%, 0.139 g.L−1.h−1

Keywords: Bioenergy; Lignocellulosic biomass; Bioethanol; Glucose productivity; Fermentation (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eme:agjsrp:agjsr-06-2023-0264

DOI: 10.1108/AGJSR-06-2023-0264

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