Research Article
Transfer Mechanism of Lanthanum from Rare Earth Containing Iron Ore to Pig Iron during the Blast Furnace Process
Table 6
Activities of each states of La element in the different La concentration slag [
27].
| | No. | Existential state of La | Activity |
| | 1 | La2O3 | 1.90 × 10−3 | | Al2O3·La2O3 | 8.92 × 10−7 | | 11Al2O3·La2O3 | 8.80 × 10−13 | | 7Al2O3·33La2O3 | 1.43 × 10−96 |
| | 2 | La2O3 | 7.70 × 10−3 | | Al2O3·La2O3 | 3.54 × 10−6 | | 11Al2O3·La2O3 | 3.30 × 10−12 | | 7Al2O3·33La2O3 | 9.13 × 10−77 |
| | 3 | La2O3 | 1.92 × 10−2 | | Al2O3·La2O3 | 8.68 × 10−6 | | 11Al2O3·La2O3 | 7.14 × 10−12 | | 7Al2O3·33La2O3 | 9.16 × 10−64 |
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