Feasibility study for biogas integration into waste treatment plants in Ghana | Zendy

Mutala Mohammed | Zendy; Irene S. Egyir | Zendy; Augustine Donkor | Zendy; Philip Amoah | Zendy; Stephen Nyarko | Zendy; KA Boateng | Zendy; Cephas Ziwu | Zendy

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Feasibility study for biogas integration into waste treatment plants in Ghana

Author(s) -

Mutala Mohammed,

Irene S. Egyir,

Augustine Donkor,

Philip Amoah,

Stephen Nyarko,

KA Boateng,

Cephas Ziwu

Publication year - 2016

Publication title -

egyptian journal of petroleum

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.942

H-Index - 38

eISSN - 2090-2468

pISSN - 1110-0621

DOI - 10.1016/j.ejpe.2016.10.004

Subject(s) - biogas , payback period , internal rate of return , anaerobic digestion , renewable energy , sewerage , net present value , capital cost , profit (economics) , waste management , capital investment , electricity , environmental science , environmental economics , business , engineering , production (economics) , economics , methane , finance , ecology , electrical engineering , biology , macroeconomics , microeconomics

Biogas (anaerobic digestion) technology is one of the most viable renewable energy technologies today. However, its economic efficiency depends on the investment costs, costs of operating the biogas plant and optimum methane production. Likewise the profit level also rests on its use directly for cooking or conversion into electricity. The present study assessed the economic potential for a 9000 m3 biogas plant, as an alternative to addressing energy and environmental challenges currently in Ghana. A cost-benefit analysis of the installation of biogas plant at University of Ghana (Legon Sewerage Treatment Plant) yielded positive net present values (NPV) at the prevailing discount rate of 23%. Further the results demonstrate that installation of the plant is capital intensive. Biogas used for cooking was by far the most viable option with a payback period (PBP) of 5 years. Sensitivity analysis also revealed cost of capital, plant and machinery as the most effective factors impacting on NPV and internal rate of return (IRR)

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