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  • Title: Involvement of microbial populations during the composting of olive mill wastewater sludge.
    Author: Abid N, Chamkha M, Godon JJ, Sayadi S.
    Journal: Environ Technol; 2007 Jul; 28(7):751-60. PubMed ID: 17674648.
    Abstract:
    Olive mill waste water sludge obtained by the electro-Fenton oxidation of olive mill waste water was composted in a bench scale reactor. The evolution of microbial species within the composter was investigated using a respirometric test and by means of both cultivation-dependent and independent approaches (Polymerase Chain Reaction-Single Strand Conformation Polymorphism, PCR SSCP). During the period of high respiration rate (7-24 days), cultivation method showed that thermophilic bacteria as well as actinomycetes dominated over eumycetes. During the composting process, the PCR-SSCP method showed a higher diversity of the bacterial community than the eukaryotic one. After 60 days of composting, the compost exhibited a microbial stability and a clear absence of phytotoxicity.
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