Design and Fabrication of a Plastic Biogas Digester for the Production of Biogas from Cow Dung

Table 1

Summary of previous design of biogas digesters with their gas yield.

Type of material	Volume of digester (m^3)	Feed stock used	Biogas yield (m^3)	References
Plastic	—	Cow dung + poultry waste + pig dung	0.0000053	Agu and Igwe [6]
Metal	0.048	Cow dung + buffalo dung	0.035	Bello and Alamu [7]
Plastic	0.03	Cow dung	0.18	Jyothilakshmi and Prakash [12]
Plastic	1	Poultry + pig manure	6.66	Anaswara [8]
Metal	0.265	Cow dung	5.20	Jekayinfa et al. [9]
Plastic	3.6	Cow dung	0.50–0.60	Nwankwo et al. [10]
Brick/cement	1	Donkey manure + vegetable waste	12.98	Mukumba et al. [11]
Plastic	2.15	Cow dung	4.00	Present study