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Protected by Google reCAPTCHA v3.•Privacy•Terms Key Findings in This Report
• Lower vanadium valence (V3+ > V4+ > V5+) enhances solid solubility in Fe2TiO5, explaining reduced extraction efficiency in calcification roasting.
• Insufficient oxidation of vanadium during roasting increases vanadium retention in Fe2TiO5, a key factor limiting vanadium recovery.
• Optimized conditions (higher temperature, V2O3 as vanadium source, high-purity argon atmosphere) increase vanadium solubility in Fe2TiO5.
• High-temperature dissociation in air facilitates vanadium release from Fe2TiO5, offering a potential strategy to improve extraction rates.