Plant Treatments of EAF Slag for its Use as Construction Materials

Qi Xing Yang; Björn Haase; Feng Lan Han; An Jun Xu; Fredrik Engström; Jian Li Li; Bo Björkman

doi:10.4028/www.scientific.net/AMR.750-752.1244

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 750-752Plant Treatments of EAF Slag for its Use as...

Plant Treatments of EAF Slag for its Use as Construction Materials

Abstract:

At the steel plant of Höganäs Sweden AB, different steel grades were produced using an Electric Arc Furnaces (EAF). The slag tapped by the EAF often disintegrated during cooling. Slag fines from the disintegration are difficult to handle and to use as materials in construction. The plant tests of EAF slag treatments using stabilizer MCP-F of high P₂O₅ content were thus conducted, with 1^st and 2^nd campaign adding 10 and 20 kg MCP-F/ton slag, respectively. The MCP-F addition in slag pots and other test operations were carried out smoothly, without impacting the EAF steel production. Rates P₂O₅ recovery in the EAF slag were lower in some test heats. Studies may thus be carried out in future to increase the P₂O₅ recovery from MCP-F, hence, achieving a higher efficiency of stabilization treatments for the slag from the EAF plant.

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Periodical:

Advanced Materials Research (Volumes 750-752)

Pages:

1244-1253

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.750-752.1244

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Online since:

August 2013

Authors:

Qi Xing Yang*, Björn Haase, Feng Lan Han, An Jun Xu, Fredrik Engström, Jian Li Li, Bo Björkman

Keywords:

Construction, EAF, Slag, Stabilizer, Steel, Treatment

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* - Corresponding Author

References

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