Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Flotation Time and Collector Dosage on Estonian Phosphorite Beneficiation

Version 1 : Received: 10 December 2020 / Approved: 14 December 2020 / Online: 14 December 2020 (15:56:13 CET)

How to cite: Tamm, K.; Arab Zadeh, Z.; Kuusik, R.; Kallas, J.; Yang, J.; Tõnsuaadu, K.; Trikkel, A. Effect of Flotation Time and Collector Dosage on Estonian Phosphorite Beneficiation. Preprints 2020, 2020120353 (doi: 10.20944/preprints202012.0353.v1). Tamm, K.; Arab Zadeh, Z.; Kuusik, R.; Kallas, J.; Yang, J.; Tõnsuaadu, K.; Trikkel, A. Effect of Flotation Time and Collector Dosage on Estonian Phosphorite Beneficiation. Preprints 2020, 2020120353 (doi: 10.20944/preprints202012.0353.v1).

Abstract

Phosphorus is essential and non-substitutable chemical element required for the cellular processes of all living organisms. The main source of phosphorus in the biosphere is phosphate rock. With more than 700 Mt P2O5, Estonia holds the largest sedimentary phosphate rock deposits in European Union. Estonian phosphate rock is principally sandstone that holds abundant remains of phosphatic brachiopod shells and compared to other sedimentary rocks, is particularly outstanding by its remarkably low content of hazardous heavy metals such as Cd and saturated by valuable elements present in the rock such as rear earth elements (REEs).

Subject Areas

Estonian phosphorite; beneficiation; reverse flotation; phosphate concentrates; phosphate recovery

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