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Today, alternative and sustainable solutions are proposed to replace fossil fuels. Hydrogen production from renewable energy sources has gained special attention in recent years, especially biohydrogen production from biomass resources which is accepted as a sustainable ecofriendly approach, it is a colorless gas, tasteless, odorless, light and non-toxic. When this gas is used as fuel, air pollution will not be produced, only water is produced and considered as end-product. This work aims to develop a microbial biohydrogen electrosynthesis using Enterobacter cloacae strain bacteria isolated from Beni-Messous wastewater. Very little informations are available on the hydrogen production using E. cloacae, which is a gram negative, motile, facultative anaerobe. The present work deals an electrochemical study from linear and cyclic voltammetry tests examining the hydrogen evolution reduction in biocathode in order to optimize the biohydrogen production. The acetate fermentation, the proton H+ accumulation and reduction had allowed an increase in current density from −19 to −96.6 mA/m2 with the E. cloacae strain. |
