TITLE

PRODUCTION OF BIOETHANOL AS AN ALTERNATIVE SOURCE OF FUEL USING CASSAVA AND YAM PEELS AS RAW MATERIALS

AUTHOR(S)
ADIOTOMRE, K. O.
PUB. DATE
April 2015
SOURCE
International Journal of Innovative Scientific & Engineering Tec;Apr-Jun2015, Vol. 3 Issue 2, p28
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This project work is based on the production of bioethanol as an alternative source of fuel using cassava and yam peels as raw materials. The Bioethanol was produced by fermentation of the Cassava and yam peels with the aid of the enzymes Zymomonas mobilis and Saccharomyces cerevisiae at 28°C for 5 days. The fermented liquid was distilled at 78°C and the quantity of bioethanol was determined. The use of Glocophylum seplarium and Pleurotus ostreatus for hydrolysis of the peels and Zymomonas mobillis and Saccharomyces cerevisiae for fermentation of 20g of cassava and yam peels yielded a peak mass and percentage yield(concentration) of 26.5g/cm3 (12.2%) and 20.1g/cm3 (9.3%) respectively. When 35g of substrate was used, cassava peels produced a mass of 42.6g/cm3 (18.6%) and yam peels produced a mass 28.1g/cm3 (12.3%) of bioethanol. When 50g of substrate was used, cassava and yam peels produced a mass of 55.2g/cm3 (23%) and 46.6g/cm3 (19.3%) of bioethanol. This study reveals that bioethanol can be produced from cassava and yam peels with maximum yield from cassava peels as a result of the presence of higher starch content when Gloeophylum saplarium, Pleurotus ostreatus, Zymomonas mobillis and Saccharomyces cerevisiae are used.
ACCESSION #
111162476

 

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