Abstract
High radioactive anomalies were recorded in the variegated claystones at the middle member of Um Bogma Formation, the eU-content reaches 1030 ppm, while eU/eTh ratio was equivalent to 11.7 times of Clark value. Associated elements with economic values as rare earth elements, vanadium and molybdenum were detected. Beside this, work focusing on uranium recovery from collected samples was investigated using different reagents and leaching techniques. Pug-leaching process using sulfuric acid at 100 °C is the most efficient leaching condition. Selective separation of uranium with high grade (38%) was obtained using synthetic quaternary ammonium sorbent grafted on silica particles.
Published Version
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