Main technical indicators of four types of vanadium extraction process (%) | ||||
plant  Family | New open vanadium plant | Zhejiang Anren | Western Hubei | Yucheng Vanadium Factory |
Anhua Vanadium Factory | Vanadium plant | |||
Process flow | Sodium baking | Sulfuric acid dip | Oxidation baking | Oxidation baking |
Process characteristics | Burning water | Out of the middle | Burning sulfuric acid | Soda immersion |
　 | mention  vanadium | Salt extraction vanadium | Leaching extraction | Impurity separation |
Raw ore grade | >1 | 1.73 | 0.88 | 1.16 |
Calcination conversion rate | 55 | 　 | 　 | 75.1 |
Leach rate | 90 | 88.86 | 76.1 | 80.1 |
Extraction rate | 　 | 98.1 | 98.4 | |
Stripping rate | 　 | 98.16 | 99.4 | |
Vanadium vanishing rate | 96 | 99 | 98.8 | 95.82 |
Pyrolysis rate | 98 | 98 | 98 | 98 |
Product taste | >98 | >98.00 | 99.24 | 99.5 |
Total recovery | 45 | 82.25 | 70.7 | 51.65 |
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