Table 6.
Composition of slags (all values reported as normalised to 100 wt%). No slag was found on CA200175
| Purpose-made | Na2O | MgO | Al2O3 | SiO2 | P2O5 | K2O | CaO | TiO2 | MnO | FeO | PbO | Analytical total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CA200170 | ≤ 0.2 | 0.2 | 25.0 | 63.7 | n.d | 5.9 | 3.5 | 0.4 | n.d | 1.1 | n.d | 95.6 |
| CA200171 | 0.5 | 5.6 | 16.1 | 49.1 | 1.8 | 4.4 | 20.7 | 0.5 | n.d | 1.5 | n.d | 103.9 |
| CA200172 | 0.3 | 1.7 | 23.3 | 55.0 | n.d | 5.5 | 12.7 | 0.5 | n.d | 1.1 | n.d | 102.0 |
| CA200173 | 0.1 | 8.0 | 14.3 | 56.5 | 0.6 | 4.9 | 13.9 | 0.6 | 0.2 | 0.9 | n.d | 90.5 |
| Furnace wall (vitrification) | ||||||||||||
| CA200178 | 0.6 | 3.2 | 25.8 | 53.1 | 0.9 | 6.6 | 4.5 | 0.7 | ≤ 0.2 | 4.4 | n.d | 96.7 |
| Domestic repurposed | ||||||||||||
| CA200174 | 1.2 | 7.8 | 16.6 | 52.5 | 0.9 | 5.1 | 11.8 | 0.7 | n.d | 3.4 | n.d | 100.1 |
| CA200175 | ||||||||||||
| CA200176 | 1.0 | 4.1 | 21.3 | 44.7 | 3.4 | 3.4 | 14.2 | 0.8 | n.d | 7.0 | n.d | 105.7 |
| CA200177 | 0.7 | 1.5 | 11.4 | 39.6 | 1.3 | 2.5 | 9.5 | 0.7 | n.d | 2.9 | 29.9 | 97.4 |
| CA200179 | 1.5 | 9.4 | 12.2 | 45.3 | 3.6 | 2.6 | 16.1 | 0.6 | 0.3 | 8.6 | n.d | 96.8 |