Photofermentative Biohydrogen Production Enhancement with Nanoparticle

Author:

Inayat Abrar,Almarzooqi Sara,Alamiri Reem,Nouichi Nada,Ahli Maryam,Jamil Farrukh,Ghenai Chaouki

Abstract

This study will explore the use of a biological pathway known as photo fermentation for the production of biohydrogen under anoxic and nitrogen deficient conditions due to its high hydrogen production, and to emphasize the role of a dominating enzyme, the nitrogenase enzyme, in catalyzing the process of hydrogen evolution from a medium composed of Purple Non-Sulfur Bacteria (Rhodopseudomonas Palustris) with glycerol as the substrate. For Purple Non-Sulphur Bacteria, the optimal H2 production temperature ranges between 30 °C to 36 °C. Simultaneously, illumination is applied by LED lights and is varied from no string LED illumination, to single string illumination (240 W/m2), and double string illumination (480 W/m2) to simulate and examine performance in outdoor conditions and achieved a maximum of 428% increase in hydrogen productivity compared to previous studies. Consequently, this suggests that it is economically appealing to use the non-growing R. palustris bacterium as the chosen biocatalyst for continuous hydrogen production. These preliminary results constitute the development of continuous H2 production which evolves into the green fuel of the future production.

Publisher

EDP Sciences

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