alexa Application of Gettering Process on the Improvement of the Structural and Mineralogical Properties of Tunisian Phosphate Rock
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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Research Article

Application of Gettering Process on the Improvement of the Structural and Mineralogical Properties of Tunisian Phosphate Rock

Daik R1*, Lajnef M2, Amor SB1 and Ezzaouia H1

1Photovoltaic Laboratory Research and Technology Centre of Energy, Borj-Cedria Science and Technology Park, BP 95, 2050 Hammam-Lif, Tunisia

2Sfax Preparatory Engineering Institut, Route Menzel Chaker, 0.5 km, BP 1172, 3080 Sfax, Tunisia

*Corresponding Author:
Daik R
Photovoltaic Laboratory Research and
Technology Centre of Energy
Borj-Cedria Science and Technology Park
BP 95, 2050 Hammam-Lif, Tunisia
Tel: 21655303006
E-mail: [email protected]

Received Date: November 30, 2015; Accepted Date: December 14, 2015; Published Date: January 04, 2016

Citation: Daik R, Lajnef M, Amor SB, Ezzaouia H (2016) Application of Gettering Process on the Improvement of the Structural and Mineralogical Properties of Tunisian Phosphate Rock. J Material Sci Eng 5:222. doi:10.4172/2169-0022.1000222

Copyright: © 2016 Daik R, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



The present study deals with the effects of gettering process on the structural and mineralogical composition of Tunisian phosphate rock. The treated samples were characterized to investigate the variation of physical structure and chemical composition as compared to the reference phosphate rock. The quantitative analysis of the impurities concentration before and after gettering treatment using energy-dispersive (EDX) reveals a significant reduction of impurity concentration (more than 75%) such as Al, Si, S, Na, and Mg. Scanning electron microscopy (SEM) shows that gettering process promoted structural alterations of phosphate rock sample due to fusion of impurities. The XRD patterns show that the chief mineral constituent of treated sample is only fluorapatite, while those in the reference ore were calcite, dolomite, quartz and carbonate-fluorapatite. FT-IR characterization show a disappearance of the bands related to calcite at 714 cm-1 as well as B carbonate situated at 1430 cm-1, 1458 cm-1 after gettering treatment. This result is in good correlation with Raman analysis.


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