Biotechnology Letters

, Volume 28, Issue 21, pp 1755–1759 | Cite as

Microbial production of 1,3-propanediol by Klebsiella pneumoniae using crude glycerol from biodiesel preparations

  • Ying Mu
  • Hu Teng
  • Dai-Jia Zhang
  • Wei Wang
  • Zhi-Long Xiu
Original Paper

Abstract

1,3-Propanediol (1,3-PD) was produced by Klebsiella pneumoniae using crude glycerol obtained from biodiesel production. The 1,3-PD concentration of 51.3 g/l−1 on crude glycerol from alkali-catalyzed methanolysis of soybean oil was comparable to that of 53 g/l−1 on crude glycerol derived from a lipase-catalyzed process. The productivities of 1.7 g l−1 h−1 on crude glycerol were comparable to that of 2 g l−1 h−1 on pure glycerol. It could be concluded that the crude glycerol could be directly converted to 1,3-PD without any prior purification.

Keywords

Alkali-catalysis Lipase-catalysis Biodiesel Crude glycerol 1,3-Propanediol 

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Notes

Acknowledgements

This work was supported by the China National Natural Science Foundation (grant no. 20576018), the 10th Five-Years’ Projects of China Science and Technology Ministry (2004BA713B06-03), and “973” plan project (2003CB716000).

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Copyright information

© Springer Science+Business Media B.V. 2006

Authors and Affiliations

  • Ying Mu
    • 1
  • Hu Teng
    • 1
  • Dai-Jia Zhang
    • 1
  • Wei Wang
    • 1
  • Zhi-Long Xiu
    • 1
  1. 1.Department of Bioscience and BiotechnologyDalian University of TechnologyDalianP.R. China

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