International Journal of Technology Enhancements and Emerging Engineering Research (ISSN 2347-4289)

IJTEEE >> Volume 4 - Issue 3, March 2016 Edition

International Journal of Technology Enhancements and Emerging Engineering Research  
International Journal of Technology Enhancements and Emerging Engineering Research

Website: http://www.ijteee.org

ISSN 2347-4289

Effect Of Temperature On Biogas Yields Using South-South Nigeria As A Case Study

[Full Text]



P.O. Ebunilo, E. K. Orhorhoro, V. Oboh, P. U. Onochie



Domestic Wastes, Biogas Yields, Mesophilic Temperature, Retention Period, Evacuation Rate and South-South Nigeria



This research work is aimed at investigating the effect of temperature on biogas yields using South-South Nigeria as a case study. 42.3Kg of biomass (kitchen biodegradable wastes) was mixed with water in ratio of 1:2 to form slurry which was charged into biogas digester. Digestion was allowed to take place for a period of four months; two (2) months with continuous rainfall and another two (2) months of dry season without rainfall. Performance analysis was carried out based on biogas yields and anaerobic digester parameters (i.e. temperature, pH-scale and pressure). Within a period of sixty two days (i.e. two months) of continuous rainfall, a total of ten (10) evacuations and 3.41Kg of biogas yields were obtained while a total of eighteen (18) evacuations and 7.53Kg of biogas yields were obtained during dry season at a shorter retention period. This show that the higher the mesophilic temperature, the higher the rate of evacuation and the shorter the retention period. Considering the fact that South-South Nigeria experiences more rainfall throughout the year which leads to drop in mesophilic temperature and on the other hand affect biogas yields, proper insulation of bio-digester and use of plastic digester will be preferable especially for a higher mesophilic temperation to be attained.



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