鉱物処理

[12-08] Flotation of rare earth minerals from a silicate-clay-hematite ore

^〇SATUR, Jacqueline Vidal¹、BUENAVENTURADA, Calabia Pirante²、星野 美保子²、森田 沙綾香²、徐 維那²、昆 慶明²、高木 哲一² (1. 独立行政法人産業技術総合研究所、2. （National Institute of Advanced Industrial Science and Technology (AIST), Central-7）)

司会:芳賀 一寿(秋田大学)

The flotation of Fe-rich xenotime, monazite-Nd and RE carbonate minerals from ore mainly of silicates, clay and hematite was investigated. RE carbonate and monazite were highly floated by tall oil fatty acid collector at natural pH to11 while xenotime’s floatability was only highly floated at pH10-11. The floatabilities of hematite, clay and silicates were similar to xenotime but at lower recoveries. How to increase the selectivity of xenotime against the gangues will be further investigated.