Mass Transfer Kinetics in the Desulphurisation of Pig Iron with CaO and CaC2

Luis Ochoterena; Fidel Reyes; Alberto Ingalls; Juliana Gutiérrez; Gabriel Plascencia

doi:10.4028/www.scientific.net/DDF.273-276.485

Paper Titles

Finite Element Modelling of Oxygen Diffusion and Segregation at Interfaces in Ag-MgO Composites: Parametric Studies
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Interfacial Reactions during the Dissolution of Titanium in Liquid Iron
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Parametric Analyses of the TROI Experimental Results by Using the TEXAS-V Code
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Defect-Induced Photoluminescence of Powdered Silica Glass
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Mass Transfer Kinetics in the Desulphurisation of Pig Iron with CaO and CaC₂
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Kinetic Description of the Mass Transfer in Ladle Metallurgy Operations
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Estimation of the Rate of Hydrogen Penetration in a Welded API 5L Steel Pipe
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Mössbauer Spectroscopy Studies of Grain Boundaries in Nanostructured Metals
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Effect of Doping, Composite Geometry and Diffusion Annealing Schedules on the Structure of Nb₃Sn Layers in Nb/Cu-Sn Wires
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Mass Transfer Kinetics in the Desulphurisation of Pig Iron with CaO and CaC₂

Abstract:

This paper discusses the effect of the main parameters that affect the desulphurization reaction efficiency. The study was conducted by evaluating different reaction sites within the metal, the slag and the reducing agents. It was possible to establish a mass transfer model that determines the amounts of the reducing agents needed to maintain adequate sulphur levels in the pig iron. Industrial trials showed the accuracy of our model.