Water Supply Vol 2 No 3 pp 213–218 © IWA Publishing 2002
Comparison of different advanced disinfection systems for wastewater reclamation
M. Salgot*, M. Folch**, E. Huertas***, J. Tapias****, D. Avellaneda*****, G. Girós******, F. Brissaud*******, C. Vergés********, J. Molina********* and J. Pigem**********
*Laboratori d'Edafologia, Facultat de Farmàcia, Universitat de Barcelona. Joan XXIII s/n 08028 Barcelona, Spain
**Laboratori d'Edafologia, Facultat de Farmàcia, Universitat de Barcelona. Joan XXIII s/n 08028 Barcelona, Spain
***Laboratori d'Edafologia, Facultat de Farmàcia, Universitat de Barcelona. Joan XXIII s/n 08028 Barcelona, Spain
****Laboratori d'Edafologia, Facultat de Farmàcia, Universitat de Barcelona. Joan XXIII s/n 08028 Barcelona, Spain
*****Fundació AGBAR Barcelona, Spain
******Fundació AGBAR Barcelona, Spain
*******Hydrosciences, Université Montpellier II. 5-SEARSA, Barcelona, Spain
********AGBAR, Direcció Sanejament Barcelona, Spain
*********Fundació AGBAR Barcelona, Spain
**********Hydrosciences, Université Montpellier II. 5-SEARSA, Barcelona, Spain
ABSTRACT
Several lines of reclamation have been tested in the Palamós/Vall-Llobrega (Girona, Spain) wastewater treatment plant. Each line consists of a filtration treatment (infiltration-percolation, sand filter, ring filter and physico-chemical treatment) plus a disinfection system (UV, peracetic acid, chlorine dioxide and ozonation). Every combination has been evaluated and compared with the other possibilities. This combination of filtration and disinfection allows the use of lower doses of disinfectants, thus minimising the negative impacts of the whole process and improving the reliability of the reclamation facilities.
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