Chemical, Mineralogical, and Morphological Properties of Steel Slag

Table 2

Mineralogical phases of BOF, EAF, and ladle slags.

Reference	Slag	Mineralogical phases
Barra et al. [16]	EAF	CaCO3, FeO, MgO, Fe2O3, Ca2Al(AlSiO7), Ca2SiO4
Geiseler [29]	—	2CaO·SiO2, 3CaO·SiO2, 2CaO·Fe2O3, FeO, (Ca, Fe)O (calciowustite), (Mg, Fe)O (magnesiowustite), free MgO, CaO
Juckes [8]	BOF	C3S, C2S, C2F, RO phase (FeO-MgO-CaO-FeO), MgO, CaO
Luxán et al. [17]	EAF	Ca2SiO5, Ca2Al(AlSiO7), Fe2O3, Ca14Mg2(SiO4)8, MgFe2O4, Mn3O4, MnO2
Manso et al. [28]	Ladle	Al2O4Mg, Ca(OH)2, Si2O6CaMg, MgO, Ca3SiO5, β-Ca2SiO4, γ-Ca2SiO4, SO4Ca
Nicolae et al. [20]	BOF	2CaO·Al2O3·SiO2, Fe2O3, CaO, FeO
Nicolae et al. [20]	EAF	MnO2, MnO, Fe2SiO4, Fe7SiO10
Nicolae et al. [20]	Ladle	CaO·SiO2, CaOAl2O3·2SiO2, CaS, Al2O3
Qian et al. [21]	EAF	γ-Ca2SiO4, C3MS2, CFMS, FeO-MnO-MgO solid solution
Qian et al. [21]	Ladle	γ-Ca2SiO4, C3MS2, MgO
Reddy et al. [25]	BOF	2CaO·Fe2O3, 2CaO·P2O5, 2CaO·SiO2, CaO
Reddy et al. [25]	BOF^q	2CaO·Fe2O3, 3CaO·SiO2, 2CaO·SiO2, Fe2O3
Tossavainen et al. [13]	Ladle	Ca12Al14O33, MgO·β-Ca2SiO4, γ-Ca2SiO4, Ca2Al2SiO7
Tossavainen et al. [13]	BOF	β-Ca2SiO4, FeO-MnO-MgO solid solution, MgO
Tossavainen et al. [13]	EAF	Ca3Mg(SiO4)2, β-Ca2SiO4, Spinel solid solution (Mg, Mn)(Cr, Al)2O4, wustite-type solid solution ((Fe, Mg, Mn)O), Ca2(Al, Fe)2O5
Tsakiridis et al. [19]	EAF	Ca2SiO4, 4CaO·Al2O3·Fe2O3, Ca2Al(AlSiO7), Ca3SiO5, 2CaO·Al2O3·SiO2, FeO, Fe3O4, MgO, SiO2
Wachsmuth et al. [30]	BOF	Ca2SiO4, Ca3SiO5, FeO, 2CaO·Fe2O3

^qquenched; — = type of slag not provided.