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Dust forming mechanisms in the gas cleaning system after the copper converting process: (II). Thermodynamic studies
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0003-1511-8020
1998 (English)In: Scandinavian journal of metallurgy, ISSN 0371-0459, E-ISSN 1600-0692, Vol. 27, no 2, p. 64-72Article in journal (Refereed) Published
Abstract [en]

Thermodynamic calculations were used to study the dust-forming mechanisms during the copper converting process and to study the possibilities for achieving a controlled dust generation through selective condensation. The evaporation of Zn, Pb, Bi, As and Sb from the melt during the copper converter process and their condensation at decreasing temperatures was simulated. Comparison with experimental data from the full-scale process shows a good qualitative agreement. It was therefore considered possible to use the thermodynamic model to predict the generation of chemical dust in the gas cleaning system at various temperatures and varying amounts of leakage air. A selective condensation of Pb, Zn and As at various temperatures could according to thermodynamic calculations, be possible at high temperatures. A selective condensation of metals requires a closed gas cleaning system or a gas cleaning system with a limited amount of leakage air in order to maintain the desired temperature level

Place, publisher, year, edition, pages
1998. Vol. 27, no 2, p. 64-72
National Category
Metallurgy and Metallic Materials
Research subject
Process Metallurgy
Identifiers
URN: urn:nbn:se:ltu:diva-5799Local ID: 3fc1bf00-fcbe-11dc-a946-000ea68e967bOAI: oai:DiVA.org:ltu-5799DiVA, id: diva2:978674
Note
Godkänd; 1998; 20080328 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-01-19Bibliographically approved

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Samuelsson, CaisaBjörkman, Bo

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