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1. 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:The most common method of cracking rare earth |  ores and concentrates is acid baking, in which |  concentrated sulphuric acid is mixed with the feed material | , 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

2. Slow Release of Phosphorus Using Acidithiobacillus thiooxidans Encapsulated in a Matrix of Alginate NSTL国家科技图书文献中心

Marjory Lopez |  Luis Valderrama... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1105~1108 - 共4页

摘要:Phosphorus (P) is an essential macronutrient |  in agriculture and has been listed as a critical |  raw material by the European Commission given its |  high demand and unequal distribution of phosphate |  rock reserves. In addition, crops can absorb a small
关键词: Acidithiobacillus thiooxidans |  Encapsulated cells |  Phosphate |  Slow-release P

3. 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:The Strange Lake peralkaline rare earth |  deposit has an indicated resource of 189 million tonnes |  containing 0.934% total rare earth oxide (TREO). The ore is |  enriched in magnet rare earths; one tonne of ore contains |  1.38 kg of Pr + Nd oxides, 0.05 kg of Tb_4O_7, and
关键词: Rare Earth |  Physical sorting |  Magnetic separation |  Flotation |  Acid baking |  Solvent extraction

4. The Beneficiation and Hydrometallurgical Process Development for the Lofdal HREE Project: An Update NSTL国家科技图书文献中心

Jing Liu |  Eileen Ross L. Espir...... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1243~1254 - 共12页

摘要:The Lofdal REE project is one of the few rare |  earth deposits in the world that contains mostly heavy |  rare earth elements (~75% HREO distribution). The |  mineralogy of the Lofdal project is complex, with xenotime |  as the primary rare earth hosting mineral and
关键词: Heavy rare earth elements |  Xenotime |  Flotation |  Acid bake |  Leaching |  Precipitation

5. The Effect of Ammonium Supplementation on Bioleaching NSTL国家科技图书文献中心

Cecilia Demergasso |  Sabrina Marin... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1149~1153 - 共5页

摘要:Nitrogen is a macronutrient, and, in its |  ammonium form, it is easily assimilated by most |  microorganisms. For assessing the effect of NH_4~+ in |  bioleaching environments, we designed column tests in both |  suitable and stressed conditions-specifically, low
关键词: Bioleaching |  Nutrient supplementation |  nifH |  Genetic marker

6. Microstructural Evolution of Dilute Al-Si Alloy Deposited on As-Cast Al-Cu Structure in the Hybrid Additive Manufacturing Process NSTL国家科技图书文献中心

Hossein Azizi |  Alireza Ebrahimi... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1665~1669 - 共5页

摘要:An experimental study of the microstructure of |  a hybrid part, composed of two materials |  fabricated through the laser powder bed fusion (LPBF | ) process-specifically, AlSi10Mg on an Al-Cu cast alloy |  substrate-revealed variations in the microstructure of the
关键词: Laser powder bed fusion (LPBF) |  Microstructure evolution |  Hybrid additive manufacturing

7. Repurposing Waste Residue from Lithium Extraction: A Gypsum Problem NSTL国家科技图书文献中心

A. Kok |  T. Cassels -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1839~1841 - 共3页

摘要:Lithium extraction from spodumene using the |  conventional method of leaching after sulfuric acid roasting |  produces an aluminisilicate residue stream containing |  gypsum. Outside of China where aluminosilicate residue |  can be sold as supplementary cementitious material
关键词: Lithium |  Repurposing residue |  Spodumene

8. 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: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 |  indicated mineral resource of 27.8 Mt averaging 1.84% TREO |  at a cutoff grade of 0.5% TREO. Mineralization
关键词: Rare Earth |  Carbonatite deposit |  Froth flotation |  Acid bake |  Ammonium bicarbonate precipitation |  Internal recycle

9. Suitable Cultivating Conditions of Marine Fe-Oxidizing Bacteria for Pyrite Depression in Seawater Flotation System NSTL国家科技图书文献中心

Yuma Shimizu |  Hiroko Makita... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1041~1045 - 共5页

摘要:Effective pyrite depression is required to |  improve the grade of copper concentrate from a flotation |  process. Raw seawater can be used directly in a |  flotation plant to replace desalinated freshwater. However | , seawater causes some problems and prevents efficient
关键词: Seawater flotation |  Fe-oxidizing bacteria |  Pyrite depression |  Oxidative dissolution

10. Effect of T4 and T6 Heat Treatments on the Reciprocating Dry Sliding Tribological Behavior of A356.2 Aluminum Alloy NSTL国家科技图书文献中心

Kyle Lessoway |  Lava Kumar Pillari... -  《Proceedings of the 63rd Conference of Metallurgists,vol.2》 -  Conference of Metallurgists - 2025, - 1619~1621 - 共3页

摘要:This work studied the effect of the T4 and T6 |  heat treatment on the tribological properties of as | -cast A356.2 aluminum alloy under dry sliding |  reciprocating conditions. Samples were fabricated through a |  gravity die-cast process, followed by solutionizing at
关键词: A356 alloy |  Wear |  Silicon refinement
检索条件出处:Proceedings of the 63rd Conference of Metallurgists,vol.2
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