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Combined Production of Bioethanol and Biogas from Peels of Wild Cassava Manihot Glaziovii

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dc.creator Moshi, Anselm P.
dc.creator Temu, Stella G.
dc.creator Ngesa, Ivo A.
dc.creator Malmo, Gashaw
dc.creator Hosea, Ken M.
dc.creator Elisante, Emrode
dc.creator Mattiasson, Bo
dc.date 2016-06-26T16:58:30Z
dc.date 2016-06-26T16:58:30Z
dc.date 2015
dc.date.accessioned 2018-03-27T09:00:33Z
dc.date.available 2018-03-27T09:00:33Z
dc.identifier Moshi, A.P., Temu, S.G., Nges, I.A., Malmo, G., Hosea, K.M., Elisante, E. and Mattiasson, B., 2015. Combined production of bioethanol and biogas from peels of wild cassava Manihot glaziovii. Chemical Engineering Journal, 279, pp.297-306.
dc.identifier http://hdl.handle.net/20.500.11810/2665
dc.identifier 10.1016/j.cej.2015.05.006
dc.identifier.uri http://hdl.handle.net/20.500.11810/2665
dc.description Full text can be accessed at http://www.sciencedirect.com/science/article/pii/S1385894715006579
dc.description Cassava peels were pre-treated with alkali, enzyme and in sequential combination of alkali and enzyme, and used for production of bioethanol or biogas, or both (in sequence, bioethanol followed by biogas). The Biogas Endeavour and Automatic Methane Potential Test Systems were used for production of bioethanol and biogas, respectively. The bioethanol yield and volumetric productivity achieved with alkali pre-treatment combined in sequence with enzyme pre-treatment were 1.9 mol/mol and 1.3 g/L/h which was higher than the yield (1.6 mol/mol) and volumetric productivity (0.5 g/L/h) obtained from only enzyme pre-treated peels. Alkali combined in sequence with enzyme was proven to be the best treatment showing a 56% improvement in methane yield compared to the yield from untreated sample. Combined ethanol and methane production resulted in 1.2–1.3-fold fuel energy yield compared to only methane and 3–4-fold compared to only ethanol production. This study therefore provides practical data on the scenario best suited for the harnessing of energy from cassava peels.
dc.language en
dc.publisher Elsevier
dc.subject Anaerobic digestion
dc.subject Bioethanol
dc.subject Gas Endeavour System
dc.subject Manihot glaziovii
dc.subject Bioenergy
dc.title Combined Production of Bioethanol and Biogas from Peels of Wild Cassava Manihot Glaziovii
dc.type Journal Article


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