Biogas Production Potentials Of Cassava Peels Co-Digested With Yam Peels Using A Batch Reactor At Meshophilic Temperature
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 10
Abstract
Sustainable energy sources are considered to be a pre-requisite for the development of human and global prosperity. The mono-digestion of farm residues is considered to have a lower biogas potential than codigestion. This study determined the effect of co-digesting peels of cassava and yam on biogas yield at mesophilic temperature. The substrates (cassava and yam peels) were collected from cassava and yam processing centre in Osogbo, Osun State. The chemical properties (dry matter, organic dry matter, total ash and protein) and amounts of substrates fed into the fermentation bottles were determined using Association of Official Analytical Chemists and German standard procedures, respectively. Cassava Peel (CP) and Yam Peel (YP) were co-digested at combinations 100%CP, 100%YP, 25%CP and 75%YP, 75%CP and 25%YP and finally 50%CP and 50%YP. Two digestion bottles were used for each of the combinations and the average yields were found at the end of the experiment. The digestion bottles were loaded into a thermostatic cabinet heater pre-set at mesophilic temperature (37°C). The gas produced was collected over scaled wet gas meters for 30 days. Fresh Mass Biogas Yields (FMBY), Fresh Mass Methane Yields (FMMY), Organic Dry Matter Biogas Yields (ODMBY) and Organic Dry Matter Methane Yields (ODMMY) were determined. Peels of cassava and yam have been established to have a very good biogas production potentials especially when co-digested at 75% C.P and 25% YP.
Authors and Affiliations
G. E. Bolaji, A. O. Adebayo
Keywords
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- EP ID EP401993
- DOI 10.9790/9622-0810030913.
- Views 164
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