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Acid curing and baking of bastnaesite ore and concentrate
Date
1999-01-01
Author
Topkaya, Yavuz Ali
Akkurt, S
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this study, the hydrometallurgical evaluation of a rare earth ore as well as a concentrate obtained from this ore was done in the laboratory. For the mentioned study, a bastnaesite type rare earth ore located in Beylikahir in Turkey was used. The total rare earth oxide (REO) content of the deposit was estimated to be 1 million tons with an average concentration of 3.42% REO. The rare earths were contained in bastnaesite mineral. The other constituents of the ore were calcium fluoride (52.5%), barite (25.4%), calcite (2.8%) and minor amounts of thorium, iron, manganese, etc. The bastnaesite mineral occurred either as cement material between fluoride and barite particles or was intimately associated with these minerals. The rare earth elements were enriched considerably in sub-sieve sizes.
Subject Keywords
Bastnaesite
,
Hydrometallurgy
,
Sulphuric acid
,
Baking
,
Curing
,
Leaching
URI
https://hdl.handle.net/11511/41919
Journal
RARE EARTHS '98
DOI
https://doi.org/10.4028/www.scientific.net/msf.315-317.530
Collections
Department of Metallurgical and Materials Engineering, Article