Improved biohydrogen production by co-fermentation of corn straw and excess sludge: Insights into biochemical process, microbial community and metabolic genes

Ban, Qiaoying; Wang, Jiangwei; Guo, Panpan; Yue, Jiaxin; Zhang, Liguo; Li, Jianzheng

doi:10.1016/j.envres.2024.119171

Environmental Research

2024

DOI: 10.1016/j.envres.2024.119171

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Improved biohydrogen production by co-fermentation of corn straw and excess sludge: Insights into biochemical process, microbial community and metabolic genes

Qiaoying Ban,

Jiangwei Wang,

Panpan Guo

et al.

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2024

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Renewable Hydrogen from Biomass: Technological Pathways and Economic Perspectives

Rey,

Mateos-Pedrero,

Longo

et al. 2024

Energies

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Hydrogen is undeniably one of the most promising options for producing energy with minimal environmental impact. However, current hydrogen production is still derived from carbon-intensive processes relying on fossil fuels. Biomass is a sustainable and versatile resource that can be converted into hydrogen through biological and thermochemical pathways from a large variety of feedstocks and technologies. This work reviews and compares existing biomass-to-hydrogen technologies, focusing on their characteristics, maturity level, benefits, limitations, and techno-economic and lifecycle environmental impacts. Less-developed biological conversion methods are characterized by low efficiencies and hydrogen productivity. More mature thermochemical routes enable higher efficiencies and hydrogen yields. Overall, while thermochemical processes suit centralized large-scale hydrogen production, biological pathways offer decentralized options, necessitating continued innovation for integration into future energy strategies. Some of these technologies, such as anaerobic digestion (best-case: 1.28 EUR/kgH2) and conventional gasification (best-case: 1.79 EUR/kgH2), emerge as promising, sustainable, and affordable alternatives for renewable hydrogen generation, offering production costs comparable to those of natural gas steam reforming (0.92–2.8 EUR/kgH2).

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Renewable Hydrogen from Biomass: Technological Pathways and Economic Perspectives

Rey,

Mateos-Pedrero,

Longo

et al. 2024

Energies

View full text Add to dashboard Cite

show abstract

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Improved biohydrogen production by co-fermentation of corn straw and excess sludge: Insights into biochemical process, microbial community and metabolic genes

Cited by 1 publication

References 68 publications

Renewable Hydrogen from Biomass: Technological Pathways and Economic Perspectives

Renewable Hydrogen from Biomass: Technological Pathways and Economic Perspectives

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