Basic concept 2: Biohydrogen production

Xiao Wu

Research output: Chapter in Book/Report/Conference proceedingChapter


Fossil fuel is the major source for almost all of our energy needs today, yet extensive consumption of fossil-based substances leads to problems of depleted reserve and side effects of severe environmental influences. Hydrogen is considered as "the fuel of future" mainly due to its high energy density and nonpolluting nature. Biohydrogen production is found to be less energy intensive and more environmental friendly as compared to thermochemical and electrochemical processes, while dark fermentation is the most applicable process for recovering hydrogen from wastes due to its higher rate of hydrogen evolution as well as the versatility of the substrates used. As the most abundant renewable carbon resource known with large enough capacity to substitute for fossil fuels, waste biomass is a promising substrate for biohydrogen production. This chapter presents basic concepts and fundamentals of biohydrogen production processes.

Original languageEnglish (US)
Title of host publicationGas Biofuels from Waste Biomass
Subtitle of host publicationPrinciples and Advances
PublisherNova Science Publishers, Inc.
Number of pages15
ISBN (Electronic)9781634832106
ISBN (Print)9781634831925
StatePublished - Jan 1 2015


  • Biohydrogen
  • Biophotolysis
  • Dark-fermentation
  • Fermentative hydrogen production
  • Hydrogen production rate
  • Hydrogen yield
  • Microbial electrolysis
  • Photofermentation


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