Diit Quaternary Stream Sediments, Southern Coast of the Red Sea, Egypt: Potential Source of Ilmenite, Magnetite, Zircon, and Other Economic Heavy Minerals

Fawzy, Mona M.; Ghar, Mohamed S. Abu El; Gaafar, Ibrahim; Shafey, A. M. El; Diab, Mohamed; Hussein, Ahmed W.

doi:10.1007/s42461-022-00543-x

Cited by 4 publications

(2 citation statements)

References 14 publications

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“…Heavy minerals accumulations are observed along the coast of the Red Sea, which were formed not only by transportation processes related to the Red Sea offshore currents, but also by the drainage networks locating in the Eastern Desert of Egypt. [10][11][12] The rock units of Diit area have a variety of age ranging from Late Proterozoic to Cenozoic rocks. The detailed geological, structural, and petrographical characterization of the study area was previously discussed.…”

Section: Introduction and Geological Contextmentioning

confidence: 99%

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Recovery of valuable heavy minerals via gravity and magnetic separation operations from Diit Quaternary stream sediments, southern coast of the Red Sea, Egypt

Fawzy

Ghar

Gaafar

et al. 2022

J. Phys.: Conf. Ser.

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This research aims to concentrate and recover valuable heavy minerals (VHMs) contained in Diit area, southern coast of the Red Sea, Egypt. In this study, three technological samples were collected representing Lens, Delta and Wadi Diit; mineralogical investigation followed by mineral processing was performed in order to recover VHM content. VHMs such as zircon, ilmenite, rutile, sphene, apatite, garnet, and magnetite have been recorded in associations with lesser amounts of uranothorite, monazite, xenotime, fergusonite, khatyrkite, and gold. Initially, two stage wet gravity concentration processes, rougher and scavenger, were carried out via a shaking table to produce a clean concentrate of VHMs, which was used as feed material for the magnetic separation process. Magnetic separation was performed in order to separate ferromagnetic minerals from paramagnetic minerals as well as diamagnetic minerals to obtain clean concentration of these fractions. Assay and Material balance of the concentration steps proved that the THM content of Diit lens increased to 89.70% with a recovery of 91.68% in a weight of 61.08% out of the original sample. While the percentage of THM content in Wadi and Delta Diit samples increased to 48.68 and 47.67% respectively, with recovery equivalent to 71.67 and 82.06% respectively in a weight of 16.51, 18.7% respectively out of the original sample. Finally, a process flowsheet was created according to the optimum conditions for concentration and separation processes.

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Section: Introduction and Geological Contextmentioning

confidence: 99%

“…Detailed mineralogical characterization of Diit stream sediments was previously discussed by Fawzy et al, (2022). 11 Fawzy (op. cit.)…”

Section: Introduction and Geological Contextmentioning

confidence: 99%

Recovery of valuable heavy minerals via gravity and magnetic separation operations from Diit Quaternary stream sediments, southern coast of the Red Sea, Egypt

Fawzy

Ghar

Gaafar

et al. 2022

J. Phys.: Conf. Ser.

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Radiological Hazards Assessment of Stream sediments at Wadi Diit and Wadi Sermatai area, Southern Eastern Desert, Egypt

Gaafar

Fawzy

Diab

et al. 2022

J Radioanal Nucl Chem

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Maximizing the Processing of Polymetallic Concentrates via Actinide Separation and Rare Earth Retrieval

Eliwa,

Mubark,

Gawad

et al. 2024

Mining, Metallurgy & Exploration

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During the last decades, the growing demand for rare earth elements (REEs) has led to numerous recent studies to recover these elements from various bearing ores and wastes. Therefore, the recovery of REEs from Ras Baroud polymetallic concentrate has been investigated in the current study. Physical beneficiation for the Ras Baroud pegmatite sample was carried out, yielding a concentrate for euxenite (Y), fergusonite (Y), xenotime (Y), monazite (Ce), allanite, thorite, uranothorite, and Hf-zircon, which resulted in raising the concentrations of rare earth elements, Th, Zr, U, and Ti in the sample. Fusion digestion processes with sodium hydroxide were studied using the Conceived Predictive Diagonal (CPD) technique. The three experimental digestion groups proved the dissolution of 99.9, 95.6, 99.9, 52.5, and 0.47% for REEs, Th, U, Ti, and Zr, respectively, under fusion conditions of 723 K, 120 min, 1/1.5 ore/alkali ratio, and − 100-μm particle sizes. Fusion kinetics, isotherms, and thermodynamics were investigated using several suggested models, namely, pseudo reversible first order, uptake general model, and shrinking core model which matched well with the experimental digestion results. Selective recovery of actinide content from REE content of the digested concentrate chloride solutions was accomplished using solvent extraction with di-2-ethyl hexyl phosphoric acid. About 99.9, 99.9, and 4.2% extraction efficiencies for Th, U, and REEs were performed, respectively, using 0.3 mol/L solvent concentration in kerosene as a diluent, 1/2 organic to aqueous ratio, an aqueous pH of 0.2, and 15-min contact time. Thorium and uranium ions were stripped with sulfuric acid solution 2.5 mol/L with 94 and 98% stripping efficiency, respectively. A highly purified REE precipitate was obtained from the raffinate solutions. Zircon mineralization tailings were obtained as a by-product through the alkaline digestion process.

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Diit Quaternary Stream Sediments, Southern Coast of the Red Sea, Egypt: Potential Source of Ilmenite, Magnetite, Zircon, and Other Economic Heavy Minerals

Cited by 4 publications

References 14 publications

Recovery of valuable heavy minerals via gravity and magnetic separation operations from Diit Quaternary stream sediments, southern coast of the Red Sea, Egypt

Recovery of valuable heavy minerals via gravity and magnetic separation operations from Diit Quaternary stream sediments, southern coast of the Red Sea, Egypt

Radiological Hazards Assessment of Stream sediments at Wadi Diit and Wadi Sermatai area, Southern Eastern Desert, Egypt

Maximizing the Processing of Polymetallic Concentrates via Actinide Separation and Rare Earth Retrieval

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