60 | 60 | 0.013 | 0.054 | 0.266 | 0.667 |
60 | 80 | 0.022 | 0.054 | 0.257 | 0.667 |
60 | 100 | 0.031 | 0.054 | 0.249 | 0.667 |
60 | 120 | 0.039 | 0.054 | 0.240 | 0.667 |
80 | 60 | 0.009 | 0.072 | 0.252 | 0.667 |
80 | 80 | 0.018 | 0.072 | 0.243 | 0.667 |
80 | 100 | 0.027 | 0.072 | 0.235 | 0.667 |
80 | 120 | 0.035 | 0.072 | 0.226 | 0.667 |
100 | 60 | 0.005 | 0.090 | 0.238 | 0.667 |
100 | 80 | 0.014 | 0.090 | 0.229 | 0.667 |
100 | 100 | 0.022 | 0.090 | 0.221 | 0.667 |
100 | 120 | 0.031 | 0.090 | 0.212 | 0.667 |
120 | 60 | 0.001 | 0.108 | 0.224 | 0.667 |
120 | 80 | 0.010 | 0.108 | 0.216 | 0.667 |
120 | 100 | 0.018 | 0.108 | 0.207 | 0.667 |
120 | 120 | 0.027 | 0.108 | 0.198 | 0.667 |
Cumulative retained percentage (%) | 0.20 | 0.40 | 32.50 | 77.23 | 100.00 |
Water-insolubles (%) | 0.01 (max) |
SiO2 (%) | 37.0 |
Na2O (%) | 17.7 |
Mole ratio | 2.16 |
Fe (%) | 0.02 (max) |
Chloride (Cl) | 0.005 |
Sulfate (SO4) | 0.003 |
Silicate (SiO2) | 0.01 |
Phosphate (PO4) | 0.001 |
Heavy metal (As, Pb) | 0.001 |
Iron (Fe) | 0.0007 |
Aluminum (Al) | 0.003 |
Calcium (Ca) | 0.001 |
Magnesium (Mg) | 0.0005 |
Potassium (K) | 0.1 |
Total nitrogen (N) | 0.001 |
Arsenic (As) | 0.0002 |
Sodium carbonate (Na2CO3) | 2.0 |
Assay (NaOH) | 95.0 |
Main chemical composition of slag (by weight %) | SiO2 | 33.87 |
Al2O3 | 14.42 | |
Fe2O3 | 0.69 | |
CaO | 39.54 | |
MgO | 5.35 | |
SO3 | 2.47 | |
Basicity coefficient K |
(CaO+MgO)/(SiO2+Al2O3) | 0.93 |
Physical properties | Specific weight | 2.90 |
Ignition loss (%) | 0.28 |