A quasi-chemical viscosity model for fully liquid slags in the Al2O3-CaO-'FeO'-SiO2 system

Kondratiev, A. and Jak, E. (2005) A quasi-chemical viscosity model for fully liquid slags in the Al2O3-CaO-'FeO'-SiO2 system. Metallurgical And Materials Transactions B-process Metallurgy And Materials Processing Science, 36 5: 623-638.


Author Kondratiev, A.
Jak, E.
Title A quasi-chemical viscosity model for fully liquid slags in the Al2O3-CaO-'FeO'-SiO2 system
Journal name Metallurgical And Materials Transactions B-process Metallurgy And Materials Processing Science   Check publisher's open access policy
ISSN 1073-5615
Publication date 2005-10
Sub-type Article (original research)
DOI 10.1007/s11663-005-0053-9
Volume 36
Issue 5
Start page 623
End page 638
Total pages 16
Editor David E. Laughlin
Place of publication USA
Publisher Minerals Metals Materials Soc
Collection year 2005
Language eng
Subject C1
290702 Mineral Processing
670800 Basic Metal Products (incl. Smelting)
Abstract A structurally based viscosity model for fully liquid silicate slags has been proposed and applied to the Al2O3-CaO-'FeO'-SiO2 system at metallic iron saturation. The model links the slag viscosity to the internal structure of melts through the concentrations of various anion/cation structural units (SUs). The concentrations of structural units are equivalent to the second nearest neighbor bond concentrations calculated by the quasi-chemical thermodynamic model. This viscosity model describes experimental data over the entire temperature and composition range within the Al2O3-CaO-'FeO'-SiO2 system at metallic iron saturation and can be extended to other industrial slag systems.
Keyword Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Empirical Predictions
Gasifier Slags
Temperature
Silicates
Melts
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 07:49:29 EST