Metabolic engineering approaches for scale-up of fermentative biohydrogen production–A review

Ifunanya Rejoice Akaniro*, Akeem Adeyemi Oladipo*, Emmanuel Chijioke Onwujekwe

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

2 Citations (Scopus)

Abstract

Significant efforts are being made to produce biofuels to replace fossil fuels and address the issues caused by global climate change. Due to its potential better conversion efficiency to useable power, decreased emission of pollutants, and high energy density, H2 is one of the prospective options that are seen as a desirable future clean energy carrier. Although there are numerous technologies available for producing H2, this review concentrates on fermentative H2 production techniques, their drawbacks, and current developments. While being a promising method, fermentative strategies still have several drawbacks, including low H2 production yields. Many approaches have been used to address these issues; among them, the field of metabolic pathway engineering has made enormous strides. To improve H2 generation, this paper reviewed and discussed several metabolic pathways and modified strains. As well as the challenges involved in H2 scale-up from a laboratory setting to a commercial scale.
Original languageEnglish
Pages (from-to)240-264
Number of pages25
JournalInternational Journal of Hydrogen Energy
Volume52, Part D
Early online date15 May 2023
DOIs
Publication statusPublished - 2 Jan 2024

Scopus Subject Areas

  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Fuel Technology
  • Renewable Energy, Sustainability and the Environment

User-Defined Keywords

  • Biofuel
  • Dark fermentation
  • Hydrogen energy
  • Hydrogen-producing enzymes
  • Metabolically engineered strains

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