Inderscience Publishers

Efficiency analysis of hydrogen production methods from biomass

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Courtesy of Inderscience Publishers

Hydrogen is considered as a universal energy carrier for the future, and biomass has the potential to become a sustainable source of hydrogen. This article presents an efficiency analysis of hydrogen production processes from a variety of biomass feedstocks by a thermochemical method – gasification as well as biochemical methods – fermentation and anaerobic digestion. The exergetic efficiency of H2 production by gasification of more dry biomass is comparable to that of the commonly used Steam Methane Reforming. The detailed exergy analysis of H2 production by biomass gasification shows that the largest exergy losses occur in the gasifier.

Keywords: dry biomass, exergy analysis, biomass gasification, hydrogen production, thermochemical methods, steam methane reforming, alternative propulsion

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