Ines Hammas-Nasri
5 Papers
Ines Hammas-Nasri is an academic researcher. The author has contributed to research in topics: Phosphogypsum & Ammonium sulfate. The author has an hindex of 4, co-authored 5 publications.
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Papers
Rare earths concentration from phosphogypsum waste by two-step leaching method
TL;DR: In this article, a double sulfuric leaching of the sample led to rare earths dissolution, then, the evaporation of the acid liquor allowed to recover a rare earth-rich solid.
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Rare earths recovery by fractional precipitation from a sulfuric leach liquor obtained after phosphogypsum processing
TL;DR: In this paper, the authors describe a process to recover rare earth elements (REEs) by selective precipitation with ammonia from phosphogypsum (PG) waste, a byproduct of the phosphate industry.
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Study of Rare Earths Leaching After Hydrothermal Conversion of Phosphogypsum
Amani Masmoudi-Soussi,Ines Hammas-Nasri,Karima Horchani-Naifer,Mokhtar Férid +3 more
- 01 Sep 2019
TL;DR: In this paper, a fresh produced PG sample was firstly characterized by various analytical methods to determine its chemical composition as well as its rare earth elements (REEs) amount, and then, a hydrothermal conversion of the PG allowed obtaining an insoluble residue of calcium carbonate richer in REEs than the starting sample such that the enrichment rate was 66%.
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Production of a rare earths concentrate after phosphogypsum treatment with dietary NaCl and Na2CO3 solutions
TL;DR: In this paper, after determining the content of rare earth elements and their distribution in the phosphogypsum sample, a total rare earth enrichment of about 84% was achieved in the final solid.
Investigation of phosphogypsum valorization by the integration of the Merseburg method
TL;DR: In this article, the Merseburg method was used to convert the phosphogypsum (PG) waste into lithium sulfate and calcium sulfate solids in a continuous process.