Research Article
Impacts of Nickel Nanoparticles on Mineral Carbonation
Table 2
Mineral composition of alkaline materials determined by QXRD (wt% of crystalline total).
| Mineral name | Chemical formula | CaO | MgO | AOD slag | CC slag |
| Åkermanite | Ca2MgSi2O7 | nd | nd | 1.9 | 0.1 | Bredigite | Ca7Mg(SiO4)4 | nd | nd | 22.1 | 11.3 | Brucite | Mg(OH)2 | nd | 32.5 | 0.1 | nd | Cuspidine | Ca4Si2O7F2 | nd | nd | 11.3 | 9.3 | β-Dicalcium silicate | Ca2SiO4 | nd | nd | 6.4 | 3.6 | γ-Dicalcium silicate | Ca2SiO4 | nd | nd | 27.9 | 40.1 | Fayalite | Fe2SiO4 | nd | nd | 0.2 | 1.0 | Enstatite | MgSiO3 | nd | nd | 4.3 | 11.4 | Gehlenite | Ca2Al2SiO7 | nd | nd | 0.6 | 1.7 | Lime | CaO | 88.8 | nd | nd | nd | Magnetite | Fe3O4 | nd | nd | 0.6 | 1.9 | Merwinite | Ca3Mg(SiO4)2 | nd | nd | 14.6 | 3.3 | Periclase | MgO | nd | 67.5 | 7.4 | 10.7 | Portlandite | Ca(OH)2 | 11.2 | nd | 0.5 | 2.1 | Quartz | SiO2 | nd | nd | 0.6 | 0.9 | Wollastonite | CaSiO3 | nd | nd | 1.3 | 2.5 |
|
|
nd: not detected (<0.1 wt%).
|