Microbial Growth Rate Kinetics in Biogas Production by Anaerobic Digestion of Chicken Manure
2022
Abubakar, Abdulhalim Musa | Silas, Kiman | Aji, Mohammed Modu | Taura, Usman H | Undiandeye, Jerome
Kinetic study of microorganism’s growth in chicken manure (CM) when producing biogas is often studied for scale-up purposes. CM is considered as waste and can cause serious environmental consequences when not properly disposed of. The objective of the study is to know the characteristics of the bioreactor condition or environment responsible for CM degradation and biogas production. Methods involve serial dilution, pour plating, cell count, and the determination of Monod parameters. POLYMATH regression results show that CM of particle density 0.0163 g/cm3 gives a maximum specific growth rate, ?_max of 0.007316 hr^(-1) and half saturation constant, K_s of 3.8×?10?^8mg/l which points to substrate sufficiency for the survival of microorganisms and biogas production.
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