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1. Exploring Chemical Soaking: A Promising Alternative to Acid Baking for Canadian Rare Earth Ores NSTL国家科技图书文献中心

Chen Xia |  Ashley Wong -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1295~1305 - 共11页

摘要: conventional acid baking process for cracking minerals |  were examined: a long-term acid/alkaline soaking | This study evaluates the potential of a |  chemical soaking process as an alternative to the |  hosting rare earth elements (REEs) and scandium (Sc
关键词: Soaking |  Baking |  Rotary kiln |  Cracking |  Sulfuric acid |  Rare earth |  Scandium |  Neodymium |  Allanite |  Dysprosium...

2. Beneficial Impact of Magnetite on Sulfuric Acid Baking of Monazite Concentrate NSTL国家科技图书文献中心

John Demol |  Elizabeth Ho... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1277~1285 - 共9页

摘要: particularly on magnetite. Sulfuric acid baking and leaching | The sulfuric acid bake followed by water |  the monazite acid bake process, focusing |  leaching is now well-established technology used for |  processing of ores and concentrates containing rare earth
关键词: Rare earth elements |  Monazite |  Magnetite |  Sulfuric acid bake |  Sulfation bake

3. Selective extraction of lithium from coal gangue utilizing a two-stage roasting process NSTL国家科技图书文献中心

Xie, Yu |  Han, Zhengwei... -  《Minerals Engineering》 - 2025,224 - 109197~ - 共8页

摘要: extraction methods are mainly through acid leaching |  selective Li extraction method employing a sulfuric acid |  baking-decomposition process from coal gangue was |  converted to sulfate during the baking process and then | With the discovery of super-enriched lithium
关键词: Coal gangue |  Lithium recovery |  Sulfuric acid baking |  Decomposition |  Water leaching

4. Recovering Rare Earths from an Ionic Clay-Hosted Deposit NSTL国家科技图书文献中心

D. Connelly -  《Proceedings of the 63rd Conference of Metallurgists,vol.1》 -  Conference of Metallurgists - 2025, - 785~792 - 共8页

摘要: acid baking followed by water leaching, hydrochloric |  acid leaching and their combinations. The work | -product. Leaching with hydrochloric acid, yielded an |  complete recycling of the unconsumed acid. Clearly, these | Ionic adsorption clays (IAC) are formed by the
关键词: Beneficiation |  Ion exchange desorption |  Ionic clays |  Weak base salts |  Acid baking |  REEs

5. Progress on Torngat Metal's Strange Lake Critical Rare Earth Project NSTL国家科技图书文献中心

Dirk Naumann |  John Goode... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1375~1381 - 共7页

摘要: than 50% of the REE values in the ore. Sulphuric acid |  baking allows recovery of about 90% of the Pr and Nd |  and more than 80% of the Tb and Dy. The acid bake | The Strange Lake peralkaline rare earth |  deposit has an indicated resource of 189 million tonnes
关键词: Rare Earth |  Physical sorting |  Magnetic separation |  Flotation |  Acid baking |  Solvent extraction

6. Cracking a Canadian Ore for Neodymium and Dysprosium with Long-Term or Accelerated Acid Soaking Processes NSTL国家科技图书文献中心

Chen Xia |  Ashley Wong -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1205~1215 - 共11页

摘要: compared to those from the conventional acid baking water |  long-term and accelerated sulfuric acid soaking |  leaching process. The results indicated that these acid |  potential alternative to the conventional rotary kiln acid | This chapter investigates the effectiveness of
关键词: Neodymium |  Allanite |  Dysprosium |  Fergusonite |  Soaking |  Baking |  Rotary Kiln |  Cracking |  Sulfuric Acid

7. Processing Plans for the Wicheeda Rare Earth Deposit NSTL国家科技图书文献中心

John R. Goode |  Jing Liu... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1445~1454 - 共10页

摘要: plant includes sulphuric acid baking, water leaching |  innovative approach for an acid bake solution, rare earths | The Wicheeda rare earth carbonatite deposit |  has a measured mineral resource of 6.4 Mt averaging |  2.86% total rare earth oxide ("TREO") and an
关键词: Rare Earth |  Carbonatite deposit |  Froth flotation |  Acid bake |  Ammonium bicarbonate precipitation |  Internal recycle

8. Things to Do with a Purified Acid-Bake Pregnant Leach Solution NSTL国家科技图书文献中心

John R. Goode -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1455~1457 - 共3页

摘要: ores and concentrates is acid baking, in which |  concentrated sulphuric acid is mixed with the feed material | The most common method of cracking rare earth | , held at an elevated temperature to ensure sulphation |  of the rare earth elements (REEs), followed by
关键词: Rare Earths |  Acid bake |  Rare Earth precipitation |  Precipitant options |  Solvent extraction |  Cerium removal |  Water

9. A novel technology for lithium extraction through low-temperature synergistic roasting of oc-spodumene with lepidolite NSTL国家科技图书文献中心

Qilin Zhai |  Runqing Liu... -  《Separation and Purification Technology》 - 2025,355PA - 129667~13 - 共13页 - 被引量:4

摘要: conditions for phase transition roasting,acid baking,and | α-Spodumene and lepidolite have garnered |  significant attention because of the booming market of |  lithium(Li)salts.However,α-spodumene requires a high | -temperature phase transition step at>1050 ℃,and lepidolite
关键词: α-spodumene |  Lepidolite |  Synergistic roasting |  Phase transition |  Low temperature

10. Mechanisms of Rare Earth Element Desorption and Incorporation in Ionic Clay: The Role of Particle Size Variations NSTL国家科技图书文献中心

Lingyang Ding |  Gisele Azimi -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1339~1346 - 共8页

摘要: extraction methods like acid baking and water leaching for | This study explores the complex relationship |  between particle size, mineral composition, surface |  characteristics, elemental distribution, and the mechanisms of |  rare earth element (REE) adsorption in a unique ionic
关键词: Ion-adsorption clay |  Rare earth element |  Desorption |  Physiosorbed |  Chemisorbed |  Particle size
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