New approach for the ores add-value. Case study: the physical beneficiation of white sand in El-Harra area, Bahariya Oasis, Western Desert, Egypt

• Autorzy: Fawzy Mona M. , El-Arafy Reda A. , Abdel Gawad Ahmed E. , El-Zalaky Mohammed A. , Alshamy Abdallah S. , Ismail Ahmed Mousad , Abdel-Azeem Marwa M. , Roshdi Rania , Negm Sameh H. , Nasr T. , Mira Hamid E. , Mohammaden Tarek F.

Identyfikatory

DOI

10.37190/msc233013

• Języki publikacji: EN

Abstrakty

EN

Integration of the remote sensing techniques including the thermal emission and reflection radiometer (ASTER) thermal infrared (TIR) data, and the silica index (SI) algorithms have enabled the discovery of a previously unknown white sand deposit in the El-Harra region of the Bahariya Oasis. The physical, chemical, and mineralogical characterization of El-Harra white sand was achieved using the binocular microscope, X-Ray Diffraction (XRD), X-Ray Fluorescence spectrometry (XRF) and Scanning Electron Microscopy (SEM). The sample was physically beneficiated using attrition scrubbing, shacking table concentration and magnetic separation while its heavy mineral content was conducted via heavy liquid separation. The chemical and grain size analysis before and after the physical treatment pointed to clear enhancing in both the chemical and grain size specifications, where the oxide ratios of SiO₂, Al₂O₃, Fe₂O₃ and CaO moved from 96.87, 0.82, 0.13 and 1.27% to 99.53, 0.05, 0.05 and 0.13%, respectively. On the other hand, the ratio of grain size (–0.5/+0.125 mm) was raised from 79.48% to 82.04% from the total sample weight. Comparing these data with their corresponding in both the British and American Standard Specifications of White Sand confirmed the validity of the physical beneficiation in raising the grade of the investigated white sand from low valuable ore to the globally highest one which means higher marketing prices and the availability to use the treated white sand in a wide spectrum of technological and strategic applications. Furthermore, the heavy minerals content and species is another add value, where their content was assigned as 0.3 mass% from the head sample including ilmenite, rutile, zircon, leucoxene and green silicates. This simply means each 1000 tons of physically beneficiated white sand yield 3 tons of the heavy minerals.

Słowa kluczowe

EN

added value; physical beneficiation; silica index; White Sand; El-Harra; Bahariya Oasis

• Wydawca: Wydział Geoinżynierii, Górnictwa i Geologii, Instytut Górnictwa Politechniki Wrocławskiej
• Czasopismo: Mining Science
• Rocznik: 2023
• Tom: Vol. 30
• Strony: 183--210
• Opis fizyczny: Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Fawzy Mona M.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

• https://orcid.org/0000-0003-3435-1418

autor

El-Arafy Reda A.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Abdel Gawad Ahmed E.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

El-Zalaky Mohammed A.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Alshamy Abdallah S.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Ismail Ahmed Mousad

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Abdel-Azeem Marwa M.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Roshdi Rania

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Negm Sameh H.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Nasr T.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Mira Hamid E.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

autor

Mohammaden Tarek F.

• Nuclear Materials Authority, P.O. Box 530 El-Maadi, Cairo, Egypt

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