A Streamlined Strategy for Biohydrogen Production with an Alkaliphilic Bacterium
Journal Article
·
· Frontiers in Microbiology
OSTI ID:1036546
- ORNL
- University of Missouri
- Missouri University of Science and Technology
- University of Wisconsin, Madison
Biofuels are anticipated to enable a shift from fossil fuels for renewable transportation and manufacturing fuels, with biohydrogen considered attractive since it could offer the largest reduction of global carbon budgets. Currently, biohydrogen production remains inefficient and heavily fossil fuel-dependent. However, bacteria using alkali-treated biomass could streamline biofuel production while reducing costs and fossil fuel needs. An alkaliphilic bacterium, Halanaerobium strain sapolanicus, is described that is capable of biohydrogen production at levels rivaling neutrophilic strains, but at pH 11 and hypersaline conditions. H. sapolanicus ferments a variety of 5- and 6- carbon sugars derived from hemicellulose and cellulose including cellobiose, and forms the end products hydrogen and acetate. Further, it can also produce biohydrogen from switchgrass and straw pretreated at temperatures far lower than any previously reported and in solutions compatible with growth. Hence, this bacterium can potentially increase the efficiency and efficacy of biohydrogen production from renewable biomass resources.
- Research Organization:
- Oak Ridge National Laboratory (ORNL)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1036546
- Journal Information:
- Frontiers in Microbiology, Journal Name: Frontiers in Microbiology Journal Issue: 93 Vol. 3
- Country of Publication:
- United States
- Language:
- English
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