Table 4.
Raw materials proportioning (wt%), raw meal parameters, and CO2 emissions through decarbonation for the production of clinker containing SFCC optimised by thermodynamic modelling and fixing the AM at 1.6.
| Sample | SFCC | CaCO3 AP | SiO2 AP | Fe2O3 AP | C3S max | LSF | SM | AM | CO2 emissions (kg/t of clinker) |
|---|---|---|---|---|---|---|---|---|---|
| S5F | 5.00 | 81.00 | 12.62 | 1.38 | 80% | 99 | 4.0 | 1.6 | 537.9 |
| S10F | 10.00 | 79.00 | 8.23 | 2.77 | 66% | 100 | 1.8 | 1.6 | 517.8 |
| S15F | 15.00 | 77.00 | 3.85 | 4.15 | 52% | 100 | 1.0 | 1.6 | 498.3 |
| S20F | 20.00 | 74.46 | 0.00 | 5.54 | 33% | 97 | 0.7 | 1.6 | 474.2 |
LSF Lime saturation factor; SM Silica modulus; AM Alumina modulus.