Assessment of Lagenaria vulgaris Seeds Cake for Bioethanol and Biohydrogen Production

Sokoto, Abdullahi Muhammad; Hassan, Lawal Gusau; Dangoggo, Sani Muhammad.; Ahmad, Hamidu Gwandu; Salleh, Mohamad Amran Mohd
April 2013
International Proceedings of Chemical, Biological & Environmenta;2013, Vol. 54, p64
Academic Journal
There is persistent energy supply problem globally, especially in the developing nations. This had resulted to periodic increase in fuel pump price which significantly affect socioeconomic well being of the populace of these countries. Therefore, diversification of energy sources especially by exploitation of biomass resources for biofuels can reduce the magnitude of dependency on the fossil fuel source; boost energy supply as well as mitigating emission of greenhouse gasses. The potential of biomass material for generation of biofuels varies from species and localities. However, production of biofuels results to formation of by-products which constitute waste into environment. Biodiesel production in many instances results to generation of cake which constitutes a waste in the environment. Thus, the potential of this type of cake was investigated using seeds cakes of Lagenaria vulgaris. Reducing sugar content of the cake was analyzed using dinitrosalicylic acid (DNS) reagent. The glucose content in the cake was fermented to bioethanol using Saccharomyces The results of the analyses indicate that the cake yielded 503 ppm reducing sugar and 0.4241± 0.4865% bioethanol. Co-digestion of the cake at thermophilic condition also generated a biogas containing hydrogen gas as the major component. The results of this study indicate that indigenous seeds cakes of Lagenaria vulgaris have potentials of being a viable raw material for production of bio-based fuels. Thus, harnessing this form of biomass can positively improve the energy supply of the populace.


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