http://www.cnr.it/ontology/cnr/individuo/prodotto/ID182190
PCDD/Fsremoval efficiency by electrostatic precipitator and wetfine scrubber in an iron ore sintering plant (Articolo in rivista)
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- Label
- PCDD/Fsremoval efficiency by electrostatic precipitator and wetfine scrubber in an iron ore sintering plant (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.jhazmat.2009.08.019 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ettore Guerriero; Alessandra Guarnieri; Silvia Mosca; Gianluca Rossetti; Mauro Rotatori (literal)
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- Istituto sull'Inquinamento Atmosferico (literal)
- Titolo
- PCDD/Fsremoval efficiency by electrostatic precipitator and wetfine scrubber in an iron ore sintering plant (literal)
- Abstract
- This study investigates the removal efficiency of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated
dibenzofurans (PCDFs) by theAPCDsof an iron ore sintering plant, an electrostatic precipitator
(ESP) and a wetfine scrubbing system (WS).
The removal efficiencies of the ESP on the total PCDD/Fs concentration and the total PCDD/Fs I-TEQ
concentration are 44.3% and 41.4%, respectively, while those of the WS are 66.7% and 68.4%, respectively,
but the vapor/solid phase distribution changes after APCDs abatement. At ESP inlet, the PCDD/Fs account
for 31.2% in vapor phase and for 68.8% in particulate phase while, at ESP outlet, the PCDD/Fs account for
63.3% in vapor phase and for 36.7% in solid phase. The ESP removes effectively solid-phase PCDD/Fs for
its effectiveness to capture the particulate while it is ineffective in removing vapor-phase PCDD/Fs. It, on
the contrary, increase for the vaporization within the ESP, especially for these congeners with a lower
chlorination degree, and for the PCDD/Fs \"stripping\" from particulate to gas-phase during the sampling.
AtWSinlet, the PCDD/Fs account for 63.3% in vapor phase and for 36.7% in solid phase while, atWSoutlet,
the PCDD/Fs account for 21.4% in vapor phase and for 78.6% in solid phase.
Considering thatWSoutlet temperature is about 40 oC, the PCDD/Fs vapor-phase condense to particles:
therefore, even if the particulate is removed by WS, the final result is that PCDD/Fs percentage decreases
in vapor-phase and increases in solid-phase. (literal)
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