Abstract
This research work investigates biogas production from poultry droppings mixed with plantain peels and poultry droppings without plantain peels and its statistical analysis using Microsoft excel and a four factor response surface methodology (RSM). Chemical and proximate compositions of digestate were carried out with the aids to determine the potential use for agricultural purposes. Result obtained from poultry droppings mixed with plantain peels and poultry droppings without mixing with plantain peels indicates the maximum biogas yield as 3.06 x 10-2 and 2.42 x 10-2 m3/day respectively. Analysis of variance of regression equation shows the coefficient of determination (R2) of 99.67% and 99.98% respectively. Ambient, slurry, gas layer and interface between slurry and gas layer temperatures were measured during the fermentation process and were found to be within the mesophilic temperature range. Chemical and proximate compositions of the digestates show that it could be used as replacement for biological fertilizers. Therefore, it can be concluded that mixing plantain peels with poultry droppings increased the biogas volume.
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