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Dioxin emissions from coal combustion in domestic stove : formation in the chimney and coal chlorine content influence
Butala, Vincenc (Avtor), Bajsič, Ivan (Avtor), Paradiž, Boštjan (Avtor), Dilara, Panagiota (Avtor), Umlauf, Gunther (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://dx.doi.org/10.2298/TSCI140113079P Povezava se odpre v novem oknu

Izvleček
Combustion experiments conducted in domestic stove burning hard coal demonstrated a predominant influence of the coal chlorine content on the PCDD/F emissions, together with a pronounced effect of the flue gas temperature. PCDD/F concentrations of over 100 ng TEQ/m3, three orders of magnitude higher than in a modern waste incinerator, were measured in the flue gases of a domestic stove when combusting high chlorine coal (0.31 %). The PCDD/F concentrations in the flue gases dropped below 0,5 ng TEQ/m3, when low chlorine coal (0.07 %) was used. When low chlorine coal was impregnated with NaCl to obtain 0.38 % chlorine content, the emission of the PCDD/Fs increased by two orders of magnitude. Pronounced nonlinearity of the PCDD/F concentrations related to chlorine content in the coal was observed. The combustion of the high chlorine coal yielded PCDD/F concentrations in flue gases one order of magnitude lower in a fan cooled chimney when compared to an insulated one, thus indicating formation in the chimney. The influence of flue gas temperature on the PCDD/F emissions was less pronounced when burning low chlorine coal. The predominant pathway of the PCDD/F emissions is via flue gases, 99 % of the TEQ in the case of the high chlorine coal for insulated chimney.

Jezik:Angleški jezik
Ključne besede:dioxins, furans, PCDD/Fs, stove, coal, combustion, chlorine, formation
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2015
Št. strani:str. 295-304
Številčenje:Vol. 19, no. 1
UDK:662.9:683.943:661.723
ISSN pri članku:0354-9836
DOI:10.2298/TSCI140113079P Povezava se odpre v novem oknu
COBISS.SI-ID:13567771 Povezava se odpre v novem oknu
Število ogledov:636
Število prenosov:195
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Gradivo je del revije

Naslov:Thermal science
Skrajšan naslov:Therm.sci.
Založnik:VINČA Institute of Nuclear Sciences
ISSN:0354-9836
COBISS.SI-ID:43417089 Povezava se odpre v novem oknu

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