Bioethanol production from agro wastes by acid hydrolysis and fermentation process
Agro wastes such as carrot peel, onion peel, potato peel and sugar beet peel are products subjected to saccharification process by Penicillium sp. for the hydrolysis, this process was followed by the fermentation using yeast Saccharomyces cerevisiae for the production of alcohol which was fermented at 14, 21, 28 days to produce alcohol. The aim of the study was to determine alcohol content of fermented agro wastes based on different fermentation time. The fermented product was purified by primary distillation process at 780C and the fraction was collected. The ethanol was determined by dichromate method. High yield of ethanol was obtained from sugar beet peel 14.52% on 28th day and further confirmed by Gas chromatography and the yield of ethanol obtained on 28th day was 17.3%.