Comparative Study of Biogas Yield Pattern in Some Animal and Household Wastes
This research was a laboratory based work which compared Biogas yield patterns in some animal and household wastes. The parameters studied included dilution and concentration of substrates, the effect of available space in the digester, and the comparative biogas yield from different wastes. The method of research involved keeping all parameter constant and varying just one, to enhance accurate experimental results. Hence, parameters such as ambient temperature, volume of pyrex, weight of substrate, was kept constant while the water dilution ratio was being varied to achieve the optimum dilution ratio. In the same vein, all other parameters were constant while the volume of pyrex was varied to achieve the optimum digester space. The results showed that the optimum dilution and concentration were 2ml/g and 500mg/l respectively and the tighter the digester, the more the volume of biogas produced. It was also discovered that rabbit waste produced the highest volume of biogas, followed by pig waste.
African Research Review Vol. 2 (4) 2008: pp. 54-68
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