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Effects of poultry waste as an additive in biogas production using cow dung


Sa’adu Ibrahim
Hussaini Ashiru
Abdulrahman Muhammad
Salisu Sani Idris
Yusuf Hafez Hafeez
Mohammed Jibrin

Abstract

Globally, there is need for the proper utilization of animal waste products (such as cow dung, poultry waste and so on), which can be used as an alternative source of energy. Herein, the effects of poultry waste as an additive in the production of biogas using substrate (cow dung and poultry waste) and pH value were investigated. The substrate (cow dung and poultry waste) was prepared via simple dry method. Different set up (1, 2, 3,4 and 5) were designed using local materials (based on the floating drum plant type of digester). The gas produced through an anaerobic digestion method of the different set ups were recorded daily at a fixed time (14 hr) for the periods of 10 days. Set up 2 produced the highest volume of gas (89 cm3), a ~2, ~1.1, ~1.4 and ~1.6 -folds enhancement compared with set up 1, 3, 4 and 5, respectively. It observed that the gas produced decrease with an increase of the poultry waste, indicating that poultry waste played significant role in boosting the production of the gas. The pH of the digester and temperature were kept within pH optimum range of 6.5-8.0 and mesophilic temperature range 20-40 oC, respectively. Thus, the substrate developed (2:1 ratio) was economical, non-hazardous and environmentally friendly.


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eISSN: 2635-3490
print ISSN: 2476-8316