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Dust forming mechanisms in the gas cleaning system after the copper converting process: (I). Sampling and characterisation
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.ORCID-id: 0000-0003-1511-8020
1998 (engelsk)Inngår i: Scandinavian journal of metallurgy, ISSN 0371-0459, E-ISSN 1600-0692, Vol. 27, nr 2, s. 54-63Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Recovery of metals in special processes from dust with a low content of each metal can generally not be accomplished with any economic gain. A controlled dust generation whereby the dust would be enriched with specific metals would facilitate the possibilities of recovering metals from such dusts. The aim of this work was to study dust formation in the gas cleaning system after the copper converting process and to examine the possibilities for a selective dust collection. Dust samples from different positions in the gas cleaning system were characterised. Vaporised metals, e.g., compounds of Pb, Zn, As and Bi, have condensed in the converter hood, depending on temperature drop of the gas to less than 700°C, forming the so-called chemical dust. The chemically-formed dust has a smaller particle size that the mechanically transported particles, matte, slag and SiO2, and will therefore to a large extent be transported a longer distance in the gas cleaning system

sted, utgiver, år, opplag, sider
1998. Vol. 27, nr 2, s. 54-63
HSV kategori
Forskningsprogram
Processmetallurgi
Identifikatorer
URN: urn:nbn:se:ltu:diva-15386Lokal ID: ee42dc90-fcbd-11dc-a946-000ea68e967bOAI: oai:DiVA.org:ltu-15386DiVA, id: diva2:988360
Merknad
Godkänd; 1998; 20080328 (cira)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-01-19bibliografisk kontrollert

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