Insights on biological hydrogen production routes and potential microorganisms for high hydrogen yield

[Display omitted] Considering the present energy demand and industrial growth, finding a potential sustainable energy source is crucial. Among renewable fuels, hydrogen is considered to be the primary choice as it offers substantial benefits over other conventional fuels. Hydrogen can be generated f...

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Published in:Fuel (Guildford) 2021-05, Vol.291, p.120136, Article 120136
Main Authors: Sivaramakrishnan, Ramachandran, Shanmugam, Sabarathinam, Sekar, Manigandan, Mathimani, Thangavel, Incharoensakdi, Aran, Kim, Sang-Hyoun, Parthiban, Anburajan, Edwin Geo, V., Brindhadevi, Kathirvel, Pugazhendhi, Arivalagan
Format: Article
Language:English
Subjects:
Anaerobic bacteria
Bacteria
Biohydrogen
Coliforms
E coli
Economic analysis
Electrolysis
Energy demand
Energy sources
Fermentation
Fermentative microorganisms
Flux density
Fuels
Hydrogen
Hydrogen production
Klebsiella
Lactic acid
Lactic acid bacteria
Microorganisms
Molecular approaches
Photolysis
Renewable fuels
Substrates
Sustainability
Techno-economic analysis
Thermophilic bacteria
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Summary:[Display omitted] Considering the present energy demand and industrial growth, finding a potential sustainable energy source is crucial. Among renewable fuels, hydrogen is considered to be the primary choice as it offers substantial benefits over other conventional fuels. Hydrogen can be generated from waste substrates, is cleaner, and has the highest energy density when compared to conventional fuels. Hydrogen production, particularly biological hydrogen production, is believed to be cost-efficient as it can be successfully performed in ambient conditions with easy operational techniques in an environmental-friendly manner. This review summarizes the different routes of biological hydrogen production including biophotolysis, indirect photolysis, dark fermentation, photofermentation, and microbial electrolysis. Further, leading microorganisms involved in biohydrogen production, such as Clostridium spp., Enterobacter spp., Bacillus spp., Escherichia coli, thermophilic lactic acid bacteria, and Klebsiella spp., along with the molecular approaches employed for the enhancement of biohydrogen production are discussed. In addition, a thorough techno-economic analysis of factors involved in the scale-up of hydrogen production is carried out.
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2021.120136