Table 3 Composition of the designed high alumina batch
From: Technological properties of high alumina refractories with different phosphoric acid contents
Oxide % | 20 g clay | 80 g calcined bauxite | High alumina > 72% Al2O3 | On calcined calculation |
|---|---|---|---|---|
SiO2 | 10.59 | 5.76 | 16.35 | 16.76 |
Al2O3 | 5.81 | 68.31 | 74.12 | 75.97 |
TiO2 | 0.29 | 3.26 | 3.55 | 3.64 |
Fe2O3 | 0.78 | 1.96 | 2.74 | 2.81 |
CaO | 0.10 | 0.06 | 0.16 | 0.16 |
MgO | 0.04 | 0.13 | 0.17 | 0.17 |
Na2O | 0.01 | 0.02 | 0.03 | 0.03 |
K2O | 0.06 | 0.22 | 0.28 | 0.29 |
SO3 | 0.15 | – | 0.15 | 0.15 |
LOI | 2.12 | – | 2.12 | – |
Total | 19.97 | 79.712 | 99.67 | 99.98 |