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Alkali control at Dofasco

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Abstract

Hanging furnaces, high blast pressures, coke deterioration and scab formation can be the result of rapid accumulation of alkali oxides in the burden. Under certain operating conditions, even a small amount can be too much.

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References

  1. Nanavati, K.S. and Cohen, G.M., “Rogue Elements in Ironmaking”, Ironmaking Proceedings, Vol. 31, 1972, pp 133–144.

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  2. Armatorio, G.E. et al., “Blast Furnace Operating Problems with High Alkali Pellets”, AISI, Oct. 14, 1971.

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Author information

Authors and Affiliations

  1. Dofasco in Hamilton, Ont., Canada

    J. D. Ashton (position of research leader), C. V. Gladysz (manager, chemical research) & J. E. R. Holditch (supervisor of iron quality)

  2. Coke and Iron Division at Dofasco, Canada

    G. H. Walker (superintendent)

Authors
  1. J. D. Ashton
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  2. C. V. Gladysz
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  3. J. E. R. Holditch
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  4. G. H. Walker
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Additional information

Prior to joining Dofasco’s graduate training program in 1971,he received his B.Eng. degree in chemical engineering from McMaster University. Mr. Ashton joined the Chemical Section of the Research Department in 1972,where he has worked as a research investigator until his present appointment in January 1974.

He joined Dofasco’s graduate training program in 1960 after obtaining his B.A. in chemistry from McMaster University. Prior to his present appointment in 1973, Mr. Gladysz has held the positions of research chemist and supervisor, chemical research.

After graduating from Ryerson Polytechnical Institute in 1968, he entered Dofasco’s graduate training program and from there joined the Coke and Iron Division as blast furnace technologist. Mr. Holditch received I his present appointment in January 1973, and is primarily responsible for the day to day chemical and metallurgical control aspects of the blast furnaces.

Since joining Dofasco in 1959, he has worked as a blast furnace engineer and then as division foreman, Coke and Iron Production before receiving his present appointment in February, 1972. Mr. Walker has a B.Sc. in civil engineering from Queen’s University and also holds an M.B.A. from the University of Western Ontario.

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Ashton, J.D., Gladysz, C.V., Holditch, J.E.R. et al. Alkali control at Dofasco. JOM 26, 47–54 (1974). https://doi.org/10.1007/BF03355870

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  • DOI: https://doi.org/10.1007/BF03355870

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