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Fresenius' Journal of Analytical Chemistry

, Volume 339, Issue 10, pp 788–791 | Cite as

Effect of salinity on petroleum biodegradation

  • G. Mille
  • M. Almallah
  • M. Bianchi
  • F. van Wambeke
  • J. C. Bertrand
Biological Interaction And Effects Of Environmental Hydrocarbons

Summary

The biodegradation of Ashtart crude oil by a mixed bacterial community (EH1) isolated from a marine sediment was investigated in varying concentration of sodium chloride (0 to 2 mol/l). Each fraction of Ashtart crude oil was biodegraded after a 30 day incubation period for a NaCl concentration equivalent to the one of seawater (0.4 mol/l). Saturates were more readily degraded than aromatics. The amount of oil degraded increased initially with increasing salt concentrations to a maximum level for 0.4 mol/l NaCl concentration. Thereafter the amount of oil degraded decreased with increasing salt concentrations. The polar fraction increased for the 0.4 to 1.4 mol/l NaCl concentration range. Asphaltenes were only slightly degraded (10%) for a NaCl concentration equivalent to the one of seawater (0.4 mol/l). NaCl concentrations seemed to affect the relative biodegradation of pristane and phytane. GC, UV fluorescence and FTIR techniques were used to study the evolution of each fraction of Ashtart crude oil.

Keywords

Chloride Sodium Chloride Biodegradation Bacterial Community Incubation Period 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • G. Mille
    • 1
  • M. Almallah
    • 2
  • M. Bianchi
    • 3
  • F. van Wambeke
    • 3
  • J. C. Bertrand
    • 2
  1. 1.Faculté des Sciences et TechniquesCentre de Spectroscopie Moléculaire (URA 1409 CNRS)Marseille Cédex 13France
  2. 2.Centre d'Océanologie de Marseille (OSU UA 41)Marseille Cédex 9France
  3. 3.Laboratoire de Microbiologie Marine (UPR 223 CNRS)Marseille Cédex 9France

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