Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | Ozone-enhanced biological treatment of landfill leachates |
| Abstract | Municipal landfill leachates are considered one of the types of wastewater with the greatest environmental impact because of high concentrations of ammonium, salts and organic matter. Usually, recalcitrant pollutants and ammonia removals represent the steps of greatest concern. An innovative process based on ozone enhanced biological degradation, carried out in an aerobic granular biomass system (SBBGR - Sequencing Batch Biofilter Granular Reactor), was tested at lab-scale for treating a typical medium-age landfill leachate. The results have shown that ozonation greatly improves the biological treatment effectiveness allowing the current limits for discharging into the sewer system to be met by using a specific ozone dose of 600 mg O3/Linfluent; an operating cost of about 4 EUR per m3 of leachate was obtained. A strong synergy between ozone and biological degradation was noticed with a O3 consumed/CODremoved ratio of about 0.6. |
| Source | Joint World Congress & Exhibition (20th IOA World Congress - 6th IUVA World Congress), Paris (France), 23-27 May 2011 |
| Keywords | municipal landfill leachateSBBGRozonation |
| Year | 2011 |
| Type | Contributo in atti di convegno |
| Authors | Claudio Di Iaconi , Antonio Lopez, Achim Ried |
| Text | 303579 2011 municipal landfill leachate SBBGR ozonation Ozone enhanced biological treatment of landfill leachates Claudio Di Iaconi , Antonio Lopez, Achim Ried Water Research Institute, CNR, viale De Blasio 5, 70132, Bari, Italy ITT Water Wastewater Herford GmbH, Herford, Germany Municipal landfill leachates are considered one of the types of wastewater with the greatest environmental impact because of high concentrations of ammonium, salts and organic matter. Usually, recalcitrant pollutants and ammonia removals represent the steps of greatest concern. An innovative process based on ozone enhanced biological degradation, carried out in an aerobic granular biomass system SBBGR Sequencing Batch Biofilter Granular Reactor , was tested at lab scale for treating a typical medium age landfill leachate. The results have shown that ozonation greatly improves the biological treatment effectiveness allowing the current limits for discharging into the sewer system to be met by using a specific ozone dose of 600 mg O3/Linfluent; an operating cost of about 4 EUR per m3 of leachate was obtained. A strong synergy between ozone and biological degradation was noticed with a O3 consumed/CODremoved ratio of about 0.6. Joint World Congress Exhibition 20th IOA World Congress 6th IUVA World Congress Paris France 23 27 May 2011 Internazionale Contributo Contributo in atti di convegno claudio.diiaconi DI IACONI CLAUDIO antonio.lopez LOPEZ ANTONIO TA.P07.002.003 Integrazione di processi chimici e biologici |