Physical and chemical processes of Abu Rusheid cataclastic rocks for recovering niobium, zirconium and uranium compounds

• Autorzy: Abdellah Walid Mahmoud , Khalafalla Mahmoud Sayed , Abu Khoziem Hanaa Abdelaal , El Hussain Omneya Mouhamed

Identyfikatory

DOI

10.37190/ppmp/141585

• Języki publikacji: EN

Abstrakty

EN

Cataclastic rocks of Abu Rushied area (South Eastern Desert, Egypt) characterized by the presence of niobium, tantalum, zirconium minerals as well as uranium-thorium minerals. Physical upgrading process was applied using gravity and magnetic separation techniques to concentrate these economic minerals mainly to obtain the magnetic niobium concentrate at 0.2- 0.5 ampere, beside the non-magnetic Zr and U at 1.5 ampere. The chemical processing upon niobium concentrate was performed using NH4F roasting process at 250ºC followed by selective precipitation of Nb as Nb-sulfide. An alkaline fusion using NaOH was applied upon zirconium concentrate at the optimum conditions of: zircon concentrate/ NaOH mass ratio 1/2, fusion temperature of 650ºC and 2.5h fusion time followed by selective precipitation of Zr as Zr- tartrate. Finally, two flowsheets were drawn summarizing the whole recovery processes.

Słowa kluczowe

EN

physical processes; chemical processes; cataclastic rocks; separation; niobium; zirconium; uraniom

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2021
• Tom: Vol. 57, iss. 5
• Strony: 137--152
• Opis fizyczny: Bibliogr. 50 poz., rys. kolor., wykr.

Twórcy

autor

Abdellah Walid Mahmoud

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

autor

Khalafalla Mahmoud Sayed

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

autor

Abu Khoziem Hanaa Abdelaal

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

autor

El Hussain Omneya Mouhamed

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

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