Table 1.
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XRD analysis of mineralogy of bauxite residue.

Mineral% WeightMineralogical formulae
Brucite1.36Mg(OH)2
Magnesite4.82MgCO3
Aragonite/calcite4.01CaCO3
Phlogopite2.99KMg3AlSi3O10(F,OH)2
Hematite34.57Fe2O3
Anatase/Rutile0.46TiO2
Ilmenite1.85(Fe,Ti)2O3
Kaolinite0.28Al2Si2O5(OH)4
Goethite4.15FeO(OH)
Diaspore7.45AlO(OH)
Gibbsite1.03Al(OH)3
Cancrinite15.55Na6Ca2[(CO3)2|Al6Si6O24]·2H2O
Rhodonite7.71(Mn2+, Fe2+, Mg, Ca)SiO3
Kimzeyite7.78Ca3(Zr,Ti)2(Si,Al,Fe3+)3O12
Illite1.00(K,H3O) (Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)]
Quartz0.35SiO2
Dolomite0.69CaMg(CO3)2
Alunite0.29KAl3(SO4)2(OH)6
Corundum0.18Al2O3
Millerite0.17NiS
Sillimanite0.01Al2SiO5
Montmorillonite0.02(Na,Ca)0.33(Al,Mg)2(Si4O10) (OH)2·nH2O
Periclase0.28MgO
Total97.00
Mineral% WeightMineralogical formulae
Brucite1.36Mg(OH)2
Magnesite4.82MgCO3
Aragonite/calcite4.01CaCO3
Phlogopite2.99KMg3AlSi3O10(F,OH)2
Hematite34.57Fe2O3
Anatase/Rutile0.46TiO2
Ilmenite1.85(Fe,Ti)2O3
Kaolinite0.28Al2Si2O5(OH)4
Goethite4.15FeO(OH)
Diaspore7.45AlO(OH)
Gibbsite1.03Al(OH)3
Cancrinite15.55Na6Ca2[(CO3)2|Al6Si6O24]·2H2O
Rhodonite7.71(Mn2+, Fe2+, Mg, Ca)SiO3
Kimzeyite7.78Ca3(Zr,Ti)2(Si,Al,Fe3+)3O12
Illite1.00(K,H3O) (Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)]
Quartz0.35SiO2
Dolomite0.69CaMg(CO3)2
Alunite0.29KAl3(SO4)2(OH)6
Corundum0.18Al2O3
Millerite0.17NiS
Sillimanite0.01Al2SiO5
Montmorillonite0.02(Na,Ca)0.33(Al,Mg)2(Si4O10) (OH)2·nH2O
Periclase0.28MgO
Total97.00
Table 1.
Open in new tab

XRD analysis of mineralogy of bauxite residue.

Mineral% WeightMineralogical formulae
Brucite1.36Mg(OH)2
Magnesite4.82MgCO3
Aragonite/calcite4.01CaCO3
Phlogopite2.99KMg3AlSi3O10(F,OH)2
Hematite34.57Fe2O3
Anatase/Rutile0.46TiO2
Ilmenite1.85(Fe,Ti)2O3
Kaolinite0.28Al2Si2O5(OH)4
Goethite4.15FeO(OH)
Diaspore7.45AlO(OH)
Gibbsite1.03Al(OH)3
Cancrinite15.55Na6Ca2[(CO3)2|Al6Si6O24]·2H2O
Rhodonite7.71(Mn2+, Fe2+, Mg, Ca)SiO3
Kimzeyite7.78Ca3(Zr,Ti)2(Si,Al,Fe3+)3O12
Illite1.00(K,H3O) (Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)]
Quartz0.35SiO2
Dolomite0.69CaMg(CO3)2
Alunite0.29KAl3(SO4)2(OH)6
Corundum0.18Al2O3
Millerite0.17NiS
Sillimanite0.01Al2SiO5
Montmorillonite0.02(Na,Ca)0.33(Al,Mg)2(Si4O10) (OH)2·nH2O
Periclase0.28MgO
Total97.00
Mineral% WeightMineralogical formulae
Brucite1.36Mg(OH)2
Magnesite4.82MgCO3
Aragonite/calcite4.01CaCO3
Phlogopite2.99KMg3AlSi3O10(F,OH)2
Hematite34.57Fe2O3
Anatase/Rutile0.46TiO2
Ilmenite1.85(Fe,Ti)2O3
Kaolinite0.28Al2Si2O5(OH)4
Goethite4.15FeO(OH)
Diaspore7.45AlO(OH)
Gibbsite1.03Al(OH)3
Cancrinite15.55Na6Ca2[(CO3)2|Al6Si6O24]·2H2O
Rhodonite7.71(Mn2+, Fe2+, Mg, Ca)SiO3
Kimzeyite7.78Ca3(Zr,Ti)2(Si,Al,Fe3+)3O12
Illite1.00(K,H3O) (Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)]
Quartz0.35SiO2
Dolomite0.69CaMg(CO3)2
Alunite0.29KAl3(SO4)2(OH)6
Corundum0.18Al2O3
Millerite0.17NiS
Sillimanite0.01Al2SiO5
Montmorillonite0.02(Na,Ca)0.33(Al,Mg)2(Si4O10) (OH)2·nH2O
Periclase0.28MgO
Total97.00
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