Apatite Concentrate, A Potential New Source of Rare Earth Elements

Sun, Tao; Kennedy, Mark William; Tranell, Gabriella; Aune, Ragnhild E.

doi:10.1002/9781119093244.ch17

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2021

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“…A large number of REE-bearing phosphate minerals have been found in nature, thus indicating that REEs have a strong affinity towards phosphates [16]. In this regard, apatite ores (Ca10(PO4)6A2 with A = F, OH or Cl), used for the production of phosphate fertilizers or phosphoric acid, have been treated for extraction of REEs as secondary products [20][21][22]. Apatite is an important host mineral for REEs in igneous and metamorphic rocks, with trivalent rare earth cations substituting calcium ions in the apatite lattice structure (with an REEs concentration that can exceed 1g per kg of ore) [23].…”

Section: Introductionmentioning

confidence: 99%

Extraction of rare earth elements from waste products of phosphate industry

Soukeur

Szymczyk

Berbar

et al. 2021

Separation and Purification Technology

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