High hydrogen production from glycerol or glucose by electrohydrogenesis using microbial electrolysis cells

Priscilla A. Selembo, Joseph Manuel Sr Perez, Wallis A. Lloyd, Bruce Ernest Logan

Research output: Contribution to journalArticle

140 Citations (Scopus)

Abstract

The use of glycerol for hydrogen gas production was examined via electrohydrogenesis using microbial electrolysis cells (MECs). A hydrogen yield of 3.9 mol-H2/mol was obtained using glycerol, which is higher than that possible by fermentation, at relatively high rates of 2.0 ± 0.4 m3/m3 d (Eap = 0.9 V). Under the same conditions, hydrogen was produced from glucose at a yield of 7.2 mol-H2/mol and a rate of 1.9 ± 0.3 m3/m3 d. Glycerol was completely removed within 6 h, with 56% of the electrons in intermediates (primarily 1,3-propanediol), with the balance converted to current, intracellular storage products or biomass. Glucose was removed within 5 h, but intermediates (mainly propionate) accounted for only 19% of the electrons. Hydrogen was also produced using the glycerol byproduct of biodiesel fuel production at a rate of 0.41 ± 0.1 m3/m3 d. These results demonstrate that electrohydrogenesis is an effective method for producing hydrogen from either pure glycerol or glycerol byproducts of biodiesel fuel production.

Original languageEnglish (US)
Pages (from-to)5373-5381
Number of pages9
JournalInternational Journal of Hydrogen Energy
Volume34
Issue number13
DOIs
StatePublished - Jul 1 2009

Fingerprint

Regenerative fuel cells
hydrogen production
electrolysis
Hydrogen production
glycerols
Glycerol
glucose
Glucose
Hydrogen
fuel production
cells
hydrogen
Biodiesel
Byproducts
fermentation
Electrons
biomass
Fermentation
Biomass
electrons

All Science Journal Classification (ASJC) codes

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

Cite this

Selembo, Priscilla A. ; Perez, Joseph Manuel Sr ; Lloyd, Wallis A. ; Logan, Bruce Ernest. / High hydrogen production from glycerol or glucose by electrohydrogenesis using microbial electrolysis cells. In: International Journal of Hydrogen Energy. 2009 ; Vol. 34, No. 13. pp. 5373-5381.
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High hydrogen production from glycerol or glucose by electrohydrogenesis using microbial electrolysis cells. / Selembo, Priscilla A.; Perez, Joseph Manuel Sr; Lloyd, Wallis A.; Logan, Bruce Ernest.

In: International Journal of Hydrogen Energy, Vol. 34, No. 13, 01.07.2009, p. 5373-5381.

Research output: Contribution to journalArticle

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