This study aimed at the simultaneous treatment of wastewater obtained from swine and
generation of bioenergy in form of electricity from the energy stored in the organic component of
the wastewater. The Open circuit voltage, current, power density and microbiological and
physicochemical parameters were monitored. An initial Open circuit voltage of 516mV, Current of
0.29mA, and Power density of 32.74mW/m2 were recorded, which increased to give maximum
Open Circuit Voltages of 836mV, Current of 0.49mA, and Power density of 88.45mW/m2. The
results revealed that The Chemical Oxygen Demand (COD), Biochemical Oxygen Demand (BOD),
Organic carbon, Total Soluble solids (TSS), Ammonia, Ammonium and Ammonium-Nitrogen all
showed percentage decrease of 85.92%, 51.74%, 78.16%, 98.87%, 55.87%, 55.79% and 55.90%
respectively while parameters such as Total Dissolved Solids (TDS), Nitrate, Nitrate-Nitrogen,
Phosphates, Phosphorus and Orthophosphates however increased after treatment to give a
percentage increase of -273.60%, -131.65%, -134.85%, -168.77%, -159.26%, and -157.03%
respectively. Bacteria isolates identified at the biofilms on the anode were Corynebacterium specie,
Bacillus specie, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and
Streptococcus faecalis. The results from this study further exacerbate the Bioelectricity production
as well as wastewater treatment potentials of the Microbial Fuel Cell technology.
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