Chemical Stabilization Features Of Ladle Furnace Slag In Ferrous Metallurgy

Abstract

Nowadays due to the application expansion of secondary steel processing methods, which provide high-degree metal desulfurization, a problem of the ladle furnace slag (or high-calcium refining slag) stabilization arose in the ferrous metallurgy. This slag cannot be stabilized because of its self-disintegrating properties.


Keywords: ladle furnace slag, secondary alumina production wastes, slag stabilization, belite, mayenite

References
[1] Z. Huaiwei and H. Xin, “An overview for the utilization of wastes from stainless steel industries,” Resources, Conservation and Recycling, vol. 55, no. 8, pp. 745–754, 2011.


[2] Y. Pontikes, P. T. Jones, D. Geysen, and B. Blanpain, “Options to prevent dicalcium silicate-driven disintegration of stainless steel slags,” Archives of Metallurgy and Materials, vol. 55, no. 4, pp. 1167–1172, 2010.


[3] D. Geysen, P. T. Jones, Y. Pontikes et al., “’Slag valorisation’ as an example of high temperature industrial ecology,” in Proceedings of the EPD Congress 2010 - TMS 2010 Annual Meeting and Exhibition, pp. 877–884, USA, February 2010.


[4] Y. Pontikes, L. Kriskova, X. Wang et al., “Additions of industrial residues for hot stage engineering of stainless steel slags, 2-nd International Slag Valorisation Symposium,” in 2nd International Slag Valorisation Symposium, pp. 313–326, 2011.


[5] L. Kriskova, Y. Pontikes, Ö. Cizer et al., “Effect of mechanical activation on the hydraulic properties of stainless steel slags,” Cement and Concrete Research, vol.42, no. 6, pp. 778–788, 2012.


[6] R. I. Iacobescu, P. Pontikes, A. Malfliet et al., “A secondary alumina source for the stabilisation of CaO-SiO-MgO slags,” in Proceedings of the 3rd International Slag Valorisation Symposium, pp. 311–314, 2013.