Vol. 10, Issue 4 (2021)

Author(s):
Dr. CG Varma, Dr. A Kannan, Dr. KS Anil, Dr. N Geetha N, Dr. K Shyama and Dr. VL Gleeja

Abstract:
Alternative energy sources have become vital for future world stability and biogas production from organic wastes is gaining importance. Mono-digestion of animal manure is having limitations and co-digestion is an optimistic solution to overcome the bottlenecks. Study was conducted to evaluate co-digestion of livestock manures in different combinations viz., T1 (cattle manure), T2 (cattle + goat manure), T3 (cattle + poultry), T4 (cattle + swine manure) in 1:1 ratio for estimating quantity and quality of biogas. An average daily yield (L) of 10.24 ± 0.11, 15.39 ± 0.86, 13.73 ± 0.64, and 16.41 ± 0.10 respectively for T1, T2, T3 and T4 with methane yield ranging between 54-62 percent. T4 substrate with cattle and swine manure had produced superior biogas in terms of quantity and quality when compared to other combinations.