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Preliminary investigation of influence of temperature on decarburisation using fundamental AOD model
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.ORCID iD: 0000-0003-1919-9964
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
2013 (English)In: Ironmaking & steelmaking, ISSN 0301-9233, E-ISSN 1743-2812, Vol. 40, no 7, 551-558 p.Article in journal (Refereed) Published
Abstract [en]

A high temperature thermodynamics model was earlier coupled with a fundamental mathematical model describing the fluid flow in an argon–oxygen decarburisation (AOD) converter and was initially validated for an idealised temperature description. More specifically, a linear average temperature relation was used such that the temperature would be isolated from other effects such as reactions and mixing. Thereafter, the effect of the starting temperature on the decarburisation was studied. The purpose is to provide some initial knowledge about how temperature affects the decarburisation in an AOD converter. The results suggest that the thermodynamic limit for carbon concentration after reaching the carbon removal efficiency (CRE) maxima is vertically translated downwards at higher temperatures. Furthermore, when plotting the mass ratio between CO and CO2, there is an indication of a point that may relate to a CRE maximum.

Place, publisher, year, edition, pages
2013. Vol. 40, no 7, 551-558 p.
Keyword [en]
AOD, Decarburisation, Fluid flow, Modelling, Temperature
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-118655DOI: 10.1179/1743281212Y.0000000082Scopus ID: 2-s2.0-84883688995OAI: oai:DiVA.org:kth-118655DiVA: diva2:607117
Note

QC 20130222

Available from: 2013-02-21 Created: 2013-02-21 Last updated: 2017-12-06Bibliographically approved

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Andersson, NilsTilliander, AndersJonsson, LageJönsson, Pär
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