Effect of Temperature on Biogas generation from Lignocellulosic Substrate
Journal Title: International Journal of Research in Chemistry and Environment (IJRCE) - Year 2012, Vol 2, Issue 2
Abstract
This work investigated the effect of temperature on biogas generation from maize chaff and maize chaff blended with poultry droppings with the view to determining the most suitable condition for each substrate. Three hundred gram of maize chaff and a mix of maize chaff and poultry droppings in ratio of 3:2 were digested at different temperatures of 30°C, 45°C and 60°C in batch anaerobic digesters. At four day-interval, 20ml of digested effluent from each set-up was withdrawn and analysed to evaluate the effect of temperature on, Total Solid(TS), Total Suspended Solid(TSS) and Total Volatile Solid(TVS) contents. The results indicated that the generation of biogas was higher from maize chaff in regime of thermophilic (60°C) while in the blend substrate high biogas generation was in the mesophilic (30°C). Also, the percentage reduction in the total volatile solids are 80.0, 53 and 53 % at 30, 45 and 60 OC respectively for the digestion of maize chaff while it was 63.64, 69.09, and 36.40% at 30, 45 and 60 OC respectively for the maize chaff blended with poultry droppings. Temperature between 30°C and 60°C therefore, influences the biogas generation from lignocellulosic material.
Authors and Affiliations
Usman A. , Olanipekun O. , Ogunbanwo A.
Keywords
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