Chemical, Mineralogical, and Morphological Properties of Steel Slag

Table 6

Mineralogical phases identified in EAF(L) slag based on XRD analyses.

Mineral type	Formula	EAF(L) slag
Portlandite	Ca(OH)2	major
Mayenite	Ca12 Al14O33	major
Larnite	Ca2SiO4	minor
Lime	CaO	minor
Uvavorite	Ca3·Cr2(SiO4)3	minor
Wollastonite^f	(Ca, Fe)SiO3	minor
Periclase	MgO	minor
Calcite	CaCO3	probable
Merwinite	Ca3Mg(SiO4)2	probable

^fferroan.