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Chemical profile identification of fugitive and confined particle emissions from an integrated iron and steelmaking plant

Abstract: The aim of this study is to obtain the characteristic inorganic chemical profile of important particle sources identified in the integrated iron and steel process: sintering, blast furnace, steelmaking and desulfurization slag processing. A complete chemical and physical characterization program was developed: particle size distribution, chemical analysis, XRD, SEM-EDX and TGA/DTA. The sample collected from the sinter stack showed high levels of K and Cl-, followed by Fe, NH4+, Ca, Na and Pb. The profile of the dust samples taken from the sinter cake discharge zone was quite different, showing higher amounts of Fe, Ca and Al, and lower amounts of K, Cl-, Na and Pb. Dust samples collected from the blast furnace (BF) and steelmaking cast house may be distinguished from each other based on the higher levels of Fe (hematite and magnetite) and lower levels of Ca, Zn and C (graphite) found in BF dust. High levels of Ca and Fe were found in samples taken from the desulfurization slag processing area. Such information can be useful for source apportionment studies at receptor sites that could be influenced by iron and steelmaking plant emissions.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Hleis D., Fernández-Olmo I., Ledoux F., Kfoury A., Courcot L., Desmonts T., Courcot D.,

 Fuente: Journal of Hazardous Materials, 2013, 250-251, 246-255

Editorial: Elsevier

 Fecha de publicación: 15/04/2013

Nº de páginas: 10

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.jhazmat.2013.01.080

ISSN: 0304-3894,1873-3336

Url de la publicación: https://doi.org/10.1016/j.jhazmat.2013.01.080

Autoría

FRÉDERIC LEDOUX

KFOURY, ADIB

COURCOT, LUCIE

DESMONTS, THÉRÈSE

DOMINIQUE COURCOT