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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/13644

Title: Technical and Socioeconomic Potential of Biogas from Cassava Waste in Ghana
Authors: Kemausuor, Francis
Addo, Ahmad
Darkwah, Lawrence
Issue Date: 2015
Publisher: Hindawi
Abstract: This study analyses technical potential and ex ante socioeconomic impacts of biogas production using cassava waste from agroprocessing plants.An analysis was performed for two biodigesters in two cassava processing communities in Ghana.Theresults showed that the two communities generate an excess of 4,500 tonnes of cassava peels per year. Using approximately 5% of the peels generated and livestock manure as inoculum can generate approximately 75,000m3 of gas with an estimated 60% methane content from two separate plants of capacities 500m3 and 300m3 in the two communities. If used internally as process fuel, the potential gas available could replace over 300 tonnes of firewood per year for cassava processing. The displacement of firewood with gas could have environmental, economic, and social benefits in creating sustainable development.With a 10 percent discount rate, an assumed 20-year biodigester will have a Net Present Value of approximately US$ 148,000, 7-year Payback Period, and an Internal Rate of Return of 18.7%. The project will create 10 full-time unskilled labour positions during the investment year and 4 positions during operation years.
Description: This article is published in Hindawi and also available at http://dx.doi.org/10.1155/2015/828576
URI: 10.1155/2015/828576
Appears in Collections:College of Science

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