Dushyantha, N., Batapola, N., Ilankoon, I.M.S.K., Rohitha, S., Premasiri, R., Abeysinghe, B., Ratnayake, N. and Dissanayake, K. (2020) The Story of Rare Earth Elements (REEs): Occurrences, Global Distribution, Genesis, Geology, Mineralogy and Global Production. Ore Geology Reviews, 122, Article ID: 103521.
https://doi.org/10.1016/j.oregeorev.2020.103521

has been cited by the following article:

• TITLE: Flotation-Calcination-Magnetic Separation Hybrid Process for Concentration of Rare Earth Minerals Contained in a Carbonatite Ore

  AUTHORS: Tesfaye Negeri

  KEYWORDS: Flotation, Calcination of Rare Earth Flotation Concentrate, Magnetic Separation

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.9 No.3, May 27, 2021

  ABSTRACT: A hybrid process consisting of flotation and magnetic separation has been developed to concentrate multi-phase rare earth minerals associated with a carbonatite ore that contains a significant amount of niobium. The deposit is known to contain at least 15 different rare earth minerals identified as silicocarbonatite, magnesiocarbonatite, ferrocarbonatites, calciocarbonatite, REE/Nb ferrocarbonatite, phosphates and niobates. Although no collector exists to float all the different rare earth minerals, the hydroxamic acid-based collectors have shown adequate efficiency in floating most of these minerals. 92% recovery of total rare earth oxide (TREO) and niobium in 45% mass was possible at d80 of