Academic Journal
Study on Enhanced Extraction and Recovery of Lithium and Gallium Through Thermal Activation of Coal Gangue.
| Τίτλος: | Study on Enhanced Extraction and Recovery of Lithium and Gallium Through Thermal Activation of Coal Gangue. |
|---|---|
| Συγγραφείς: | Shi, Mengmeng, Zhang, Lei, Pan, Jinhe, Gao, Yijie, Zhou, Changchun |
| Πηγή: | JOM: The Journal of The Minerals, Metals & Materials Society (TMS); Jul2026, Vol. 78 Issue 7, p5961-5974, 14p |
| Θεματικοί όροι: | Lithium, Gallium, Thermodynamics, Volatization, Leaching, Heat treatment, Extraction (Chemistry) |
| Περίληψη: | This study has developed a thermal activation-acid leaching process to extract Li and Ga from coal gangue. Sequential chemical extraction, thermodynamic calculation, and in-situ SEM were employed to track the occurrence, migration, and transformation of Li and Ga during the thermal activation process. The results showed that 93.9% of Li and 81% of Ga were silicate-bound in kaolinite. After thermal activation, leaching ratios reached 91.27% (Li) and 95.49% (Ga), as residual Li and Ga transformed into more reactive ion-exchangeable and oxide-bound forms. Thermodynamic analysis revealed that the Li-containing phase gradually transformed from LiAlSi |
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| Βάση Δεδομένων: | Complementary Index |
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