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Article Dans Une Revue Journal of Residuals Science and Technology Année : 2009

Activated Sludge Properties After Ultrasonic and Thermal Treatments and Their Potential Influence on Dewaterability

J. Laurent
  • Fonction : Auteur
M. Pierra
  • Fonction : Auteur
M.N. Pons

Résumé

Two excess sludge reduction processes (ultrasounds and thermal) were studied with specific attention to some physico-chemical characteristics of treated sludge. Several parameters were monitored and discussed in respect to process efficiency and implications to dewaterability of excess sludge generated. Release of biopolymers, floc size reduction, transfer of ionizable functional groups in the liquid fraction and decrease of relative hydrophobicity were observed. According to the applied treatment, these modifications may improve or worsen the sludge dewaterability properties.
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Dates et versions

hal-00508692 , version 1 (05-08-2010)

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  • HAL Id : hal-00508692 , version 1

Citer

J. Laurent, M. Pierra, Magali Casellas, M.N. Pons, Christophe Dagot. Activated Sludge Properties After Ultrasonic and Thermal Treatments and Their Potential Influence on Dewaterability. Journal of Residuals Science and Technology, 2009, 6 (1), pp.19-25. ⟨hal-00508692⟩
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