Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | Dioxins and Furans formation in pilot incineration tests of sewage sludge spiked with organic chlorine |
| Abstract | The factors affecting polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF) formation were studied in sewage sludge incineration tests carried out on a demonstrative plant. The plant includes a 10 circulating fluidised bed furnace (FBF) and a rotary kiln furnace (RKF), operating alternatively. During the tests sewage sludge was spiked with chlorinated hydrocarbons and the operating parameters of the afterburning chamber were varied. PCDD/F were sampled in each test before the bag filter, thus collecting the above contaminants before abatement systems. From the tests it appeared that PCDD/F were always produced in more abundance in the tests carried out by FBF than by RKF. The higher PCDD/F concentrations in the tests by FBF were reached when sewage sludge was spiked with a high dosage of a surrogate organic mixture of chlorinated hydrocarbons and when the afterburning chamber was used only as transit equipment with the burner off. The distribution of the different PCDD/F homologues was compared. P5CDFs were generally the prevalent fraction, with very few exceptions for the tests by RKF at high temperature of the afterburning chamber. As for FBF tests, it was found that the PCDD/F homologue profile depends on the afterburning chamber temperature. |
| Source | Chemosphere 54 (9), pp. 1337–1350 |
| Keywords | Chlorinated compoundsCongener patternFluidised bed furnaceFly ashesPCDD/F |
| Journal | Chemosphere |
| Editor | Elsevier, Oxford, Regno Unito |
| Year | 2004 |
| Type | Articolo in rivista |
| DOI | 10.1016/S0045-6535(03)00252-2 |
| Authors | Mininni, G. (a); Sbrilli, A. (b); Guerriero, E. (b);, Rotatori, M. (b); |
| Text | 168533 2004 10.1016/S0045 6535 03 00252 2 ISI Web of Science WOS 000188293500009 Chlorinated compounds Congener pattern Fluidised bed furnace Fly ashes PCDD/F Dioxins and Furans formation in pilot incineration tests of sewage sludge spiked with organic chlorine Mininni, G. a ; Sbrilli, A. b ; Guerriero, E. b ;, Rotatori, M. b ; a CNR Istituto di Ricerca sulle Acque, Via Reno, 1 00198 Roma, Italy; b CNR Istituto sull Inquinamento Atmosferico, Via Salaria, Km 29,300, 00016 Monterotondo Scalo, Italy; The factors affecting polychlorinated dibenzo p dioxins PCDD and polychlorinated dibenzofurans PCDF formation were studied in sewage sludge incineration tests carried out on a demonstrative plant. The plant includes a 10 circulating fluidised bed furnace FBF and a rotary kiln furnace RKF , operating alternatively. During the tests sewage sludge was spiked with chlorinated hydrocarbons and the operating parameters of the afterburning chamber were varied. PCDD/F were sampled in each test before the bag filter, thus collecting the above contaminants before abatement systems. From the tests it appeared that PCDD/F were always produced in more abundance in the tests carried out by FBF than by RKF. The higher PCDD/F concentrations in the tests by FBF were reached when sewage sludge was spiked with a high dosage of a surrogate organic mixture of chlorinated hydrocarbons and when the afterburning chamber was used only as transit equipment with the burner off. The distribution of the different PCDD/F homologues was compared. P5CDFs were generally the prevalent fraction, with very few exceptions for the tests by RKF at high temperature of the afterburning chamber. As for FBF tests, it was found that the PCDD/F homologue profile depends on the afterburning chamber temperature. 54 Conference Seminar on Dioxins in the Air Location BRUGGE, BELGIUM Date NOV 19 20, 2001 Dioxin_and_furans_formation Dioxin_and_furans_formation_Chemoshere_.pdf Articolo in rivista Elsevier 0045 6535 Chemosphere Chemosphere Chemosphere Chemosphere. Chemosphere. Environmental chemistry, Chemosphere. Persistent organic pollutants and dioxins, Chemosphere. Environmental toxicology and risk assessment, Chemosphere. Science for Environmental toxicology, ettore.guerriero GUERRIERO ETTORE andrea.sbrilli SBRILLI ANDREA giuseppe.mininni MININNI GIUSEPPE mauro.rotatori ROTATORI MAURO |