Optimized and Sustainable Recovery of Ilmenite and Titanite from Low-Grade Rahba Placer Deposits: Integrating Physical Beneficiation Techniques | ||
| Journal of Mining and Environment | ||
| مقاله 4، دوره 16، شماره 6، آذر و دی 2025، صفحه 1897-1912 اصل مقاله (16.39 M) | ||
| نوع مقاله: Review Paper | ||
| شناسه دیجیتال (DOI): 10.22044/jme.2025.16225.3141 | ||
| نویسندگان | ||
| Mona Mohamed Fawzy* 1؛ Mahinaz Shawky2؛ Ahmed Ismail3؛ Mostafa Bayoumi4؛ Hassan Shahin5؛ Bahaa Emad6؛ Ahmed Orabi7؛ Gehan Ali8؛ Ahmed Abdelmouty9؛ Mohamed Diab1 | ||
| 1Physical Upgrading Department, Production Sector, Nuclear Materials Authority. P.O. Box 530, Maadi, Cairo, Egypt | ||
| 2Contracting Department, Contracts and Agreements Sector, Nuclear Materials Authority. P.O. Box 530, Maadi, Cairo, Egypt | ||
| 3Mineralogy Department, Research Sector, Nuclear Materials Authority. P.O. Box 530, Maadi, Cairo, Egypt | ||
| 4Remote Sensing Department, Contracts and Agreements Sector, Nuclear Materials Authority. P.O. Box 530, Maadi, Cairo, Egypt | ||
| 5Studies Department, Contracts and Agreements Sector, Nuclear Materials Authority. P.O. Box 530, Maadi, Cairo, Egypt | ||
| 6Radioactive Granitic Rocks Department, Research Sector, Nuclear Materials Authority. P.O. Box 530, Maadi, Cairo, Egypt | ||
| 7Analysis Department, Production Sector, Nuclear Materials Authority. P.O. Box 530, Maadi, Cairo, Egypt | ||
| 8Research Sector, Nuclear Materials Authority. P.O. Box 530, Maadi, Cairo, Egypt | ||
| 9Faculty of Computers and Information, Zagazig University, Zagazig, Egypt | ||
| چکیده | ||
| In response to rising global demand for critical minerals and the need for environmentally responsible resource utilization, this study explores sustainable recovery methods from low-grade placer deposits in the Wadi Rahba area along the Southern Coast of the Red Sea of Egypt. The focus is on the beneficiation of ilmenite and titanite as primary valuable minerals. Twenty-eight samples, including a composite technology sample, were analysed using XRD, SEM-EDX, and ED-XRF techniques. Results indicate that total heavy mineral (THM) content ranges from 4.5% to 17.7%, averaging approximately 10%, with 11% in the composite sample. Identified valuable minerals include titanite, ilmenite, leucoxene, zircon, magnetite, and rutile, alongside high concentrations of heavy silicate minerals such as epidote, pyroxene, and amphiboles. Estimated contents are 0.44 wt.% titanite, 0.15 wt.% ilmenite, and trace amounts of zircon (0.04 wt.%), spessartine (0.01wt.%), and magnetite (0.29 wt.%). To enhance recovery, a combination of gravity separation (Wilfley shaking table) and magnetic separation techniques (LIMS and HIMS) were applied. These methods effectively concentrated titanite and ilmenite, achieving recovery rates of 85.08% and 79%, respectively. The findings highlight the potential for economically viable extraction from low-grade sources using environmentally sustainable physical upgrading techniques. | ||
| کلیدواژهها | ||
| Ilmenite؛ Titanite؛ Gravity Concentration؛ Magnetic Separation | ||
| مراجع | ||
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