The biodegradation of Olive Oil Mill Wastewaters by Sawdust and by a Phanerochaetae chrysosporium

Authors

  • M. Mebirouk Ecole Mohammadia d’Ingénieurs (E.M.I), Département Génie Minéral, Laboratoire de Biorémédiation
  • L. Sbai Ecole Mohammadia d’Ingénieurs (E.M.I), Département Génie Minéral, Laboratoire de Biorémédiation
  • M. Lopez Universidad de Granada, Facultad de Farmacia, Departemento de Nutricion y Bromatologia
  • J. Gonzalez Universidad de Granada, Instituto de Agua

DOI:

https://doi.org/10.3989/gya.2007.v58.i4.448

Keywords:

Biodegradation, Decolorization, Olive mill wastewaters, Polyphenols, Sawdust

Abstract


This paper discusses decolorization and chemical oxygen demand (COD) abatement in olive mill wastewaters (OMW) by Phanerochaetae chrysosporium grown in static, stirred and immobilized cultures. When P. Chrysosporium is used in cultures, no decolorization of crude OMW is observed. Decolorization occurs only after the removal of polyphenols by adsorption in sawdust, which allows a 39% polyphenol removal. The use of a High lignin peroxides (Lip) producing medium, yields the highest OMW decolorization and COD removal efficiencies. The use of P. Chrysosporium immobilized on polyurethane foam leads to significant abatements of OMW polluting characteristics. And COD abatement reached 70%. The reduction of polyphenols reached its highest level at 62%. A significant effluent decolorization is apparent.

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References

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Published

2007-12-30

How to Cite

1.
Mebirouk M, Sbai L, Lopez M, Gonzalez J. The biodegradation of Olive Oil Mill Wastewaters by Sawdust and by a Phanerochaetae chrysosporium. grasasaceites [Internet]. 2007Dec.30 [cited 2022Dec.6];58(4):366-71. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/448

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Research