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Article Dans Une Revue Romanian Journal of Mineral Deposits Année : 2014

Determination of phosphogypsum from Romania by SEM-EDAX

Delia-Georgita Dumitras
  • Fonction : Auteur
  • PersonId : 917001
Stefan Marincea
  • Fonction : Auteur
  • PersonId : 879587
Essaid Bilal
Maria Angela Anason
  • Fonction : Auteur
  • PersonId : 917000

Résumé

Phosphogypsum is a technogenic product remaining after the extraction of phosphoric acidfrom raw phosphate, mainly apatite.The phosphate rock mainly composed of apatite, and originating from Morocco, Russia, Syria, Jordan and India, is treated with concentrated sulfuric acid (96%), after fine crushing to supra colloidal size and passing into an aqueous solution of phosphoric acid.The morphology of crystals is influenced by the conditions of phosphoric acid manufacture.Most of the analyzed crystalline phases, especially gypsum, have micronic size, are very water absorbing and are detectable only at the level of crystalline individual through the scanning electron microscopy
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Dates et versions

hal-01094041 , version 1 (11-12-2014)

Identifiants

  • HAL Id : hal-01094041 , version 1

Citer

Aurora Măruţa Iancu, Delia-Georgita Dumitras, Stefan Marincea, Essaid Bilal, Cristina Ghinet, et al.. Determination of phosphogypsum from Romania by SEM-EDAX. Romanian Journal of Mineral Deposits, 2014, 87 (2), pp.105-108. ⟨hal-01094041⟩
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