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- W2765648534 abstract "Advancement in biotechnology and bioengineering has provided ways that resources, which hitherto were classified as wastes, now form the basis for energy production. Anaerobic digestion is a highly promising technology used for processing biomass materials (crop residue, human excreta, animal waste and food) in the absence of oxygen to a methane-rich biogas. This work developed a small-scale anaerobic digester to produce biogas from animal waste. The anaerobic digester consisted of three major components: bioreactor with an incorporated stirrer driven by an electric motor, gas scrubber and gas collector. Batch feeding operation was adopted while pig waste was used as test material. Lime water was used as a scrubbing medium for methane enrichment. Loading result revealed that there was seven days delay in gas production from day of loading. The daily temperatures and pH recorded for a period of 50 days were in the range of 29 - 34°C and 5.5 - 7.5 respectively, and the average yield of clean biogas was 0.13 l/kg of slurry/day. Biogas generation increased with days in digester and was a two-stage process with a peak production day between 40 and 45 days. There was observed reduction in carbon dioxide content and methane enrichment as the days increased confirming the effectiveness of the scrubber. The biogas produced comprised between 55.1 and 74.1% of methane, and a range of 22.5 to 38.2% of carbon dioxide and was combustible after the 10th day of digestion. The results obtained showed the overall functionability of the developed anaerobic digester. The digester could be deployed and adopted in farmsteads as well as household to meet their energy demand" @default.
- W2765648534 created "2017-11-10" @default.
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- W2765648534 date "2017-09-30" @default.
- W2765648534 modified "2023-10-15" @default.
- W2765648534 title "Development of an Anaerobic Digester for Animal Waste" @default.
- W2765648534 doi "https://doi.org/10.46792/fuoyejet.v2i2.32" @default.
- W2765648534 hasPublicationYear "2017" @default.
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