Oil palm empty fruit bunch as alternative substrate for acetone-butanol-ethanol production by Clostridium butyricum EB6

Appl Biochem Biotechnol. 2012 Apr;166(7):1615-25. doi: 10.1007/s12010-012-9538-6. Epub 2012 Mar 4.

Abstract

Acetone-butanol-ethanol (ABE) production from renewable resources has been widely reported. In this study, Clostridium butyricum EB6 was employed for ABE fermentation using fermentable sugar derived from treated oil palm empty fruit bunch (OPEFB). A higher amount of ABE (2.61 g/l) was produced in a fermentation using treated OPEFB as the substrate when compared to a glucose based medium that produced 0.24 g/l at pH 5.5. ABE production was increased to 3.47 g/l with a yield of 0.24 g/g at pH 6.0. The fermentation using limited nitrogen concentration of 3 g/l improved the ABE yield by 64%. The study showed that OPEFB has the potential to be applied for renewable ABE production by C. butyricum EB6.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Acetone / metabolism*
  • Bioreactors
  • Butanols / metabolism*
  • Cellulase / metabolism
  • Clostridium butyricum / physiology*
  • Cycas / chemistry*
  • Ethanol / metabolism*
  • Fermentation
  • Fruit / chemistry
  • Glucose / metabolism
  • Hydrogen-Ion Concentration
  • Hydrolysis
  • Nitrogen / metabolism
  • Waste Products

Substances

  • Butanols
  • Waste Products
  • Acetone
  • Ethanol
  • Cellulase
  • Glucose
  • Nitrogen