Comparative Study On Biogas Production Potential Of Sewage Slaughterhouse Fruit-vegetable Wastes And Their Co-digestion

Currently, 1.5 liters per person per day (De Mes and Stams, 2003) faeces and urine as sewage waste, 45 to 60m3/day SHW and 2 to 3 trucks/day of FVW generated in Addis Ababa. The main objective of this work was to make comparative study on the biogas generation potential of SW, SHW, FVW, and their co-digestion (M) by using wet batch anaerobic digestion technology. Specifically the study investigated how the performance of anaerobic digestion is affected by temperature, retention time, and waste types. The temperature levels used were room temperature, 37°C and 45°C. Wet mesophilic anaerobic digestions of SW, SHW, FVW and co-digestion of their mixture have been investigated. Wastes samples were characterized in terms of TS, VS, pH, BOD5, COD, total nitrogen and C: N ratio as per the existing standards. Biogas produced was characterized using biogas analyzer. The data from the experiment was analyzed and modeled using Design-Expert version 6.0.8 and significance was accepted at 0.05 level of probability (p

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