Chemical, Mineralogical, and Morphological Properties of Steel Slag

Table 4

Mineralogical phases identified in BOF slag based on XRD analyses.

Mineral type	Formula	BOF slag
Portlandite	Ca(OH)2	major
Srebrodol'skite	Ca2Fe2O5	major
Merwinite	Ca3Mg(SiO4)2	major
Larnite	Ca2SiO4	minor
Calcite (manganoan)	(Ca, Mn)CO3	minor
Lime	CaO	minor
Dolomite	CaMg(CO3)2	minor
Wollastonite	CaSiO3	probable
Periclase	MgO	probable
Pentahydrite	MgSO4·5H2O	probable
Monticellite	CaMgSiO4	probable
Hematite	Fe2O3	probable
Magnesite	MgCO3	probable