Journal
BIOTECHNOLOGY ADVANCES
Volume 27, Issue 1, Pages 30-39Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biotechadv.2008.07.006
Keywords
Biodiesel; Glycerol; Carbon source; Bioconversion; Industrial microbiology; Fermentation; 1,3-Propanediol
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Funding
- Banco do Nordeste do Brasil
- ETENE/FUNDECI [convenio BNB/Uneb 2007/059]
- Bahia State University (Uneb)
- Fundacao de Amparo a Pesquisa do Estado da Bahia (Fapesb)
- Sao Paulo State University (Unesp)
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Petroleum is the main energy source utilized in the world, but its availability is limited and the search for new renewable energy sources is of major interest. Biofuels, such as ethanol and biodiesel, are among the most promising sources for the substitution of fossil fuels. Biodiesel can replace petroleum diesel, as it is produced from animal fats and vegetable oils, which generate about 10% (w/w) glycerol as the main by-product. The excess glycerol generated may become an environmental problem. since it cannot be disposed of in the environment. One of the possible applications is its use as carbon and energy source for microbial growth in industrial microbiology. Glycerol bioconversion in valuable chemicals, such as 1,3-propanediol, dihydroxyacetone, ethanol, succinate etc. is discussed in this review article. (C) 2008 Elsevier Inc. All rights reserved.
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