HYROGEOCHEMISRTY AND RADIOACTIVITY OF GROUNDWATER IN BABA- SIDRI BASINS, SOUTHWEST SINAI, EGYPT | ||||
| Bulletin of Faculty of Science, Zagazig University | ||||
| Article 11, Volume 2016, Issue 1, 2020, Page 128-159 PDF (947.14 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/bfszu.2016.31071 | ||||
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| Abstract | ||||
| The hydrogeochemistry investigations through 38 groundwater samples from Baba- Sidri basins have been done. Cations and anions distributions in all water points, as well as their trace element were content (Co, Ni, Pb, Cu, Mo, F, Mn, As, U, Ra and Th) were discussed. Also, the samples were chemically analysed for uranium (U238), thorium (Th232) and radium (Ra226). The concentration of uranium, thorium and radium in the Quaternary alluvial aquifers is higher than those in Cambro- Ordovician sandstone aquifer and fractured basement aquifer. All ion contents have larger concentration level than the world standards, especially uranium contents in well waters of the study area. Furthermore, the water well is hydraulically connected to the storage drinking tanks, and the radionuclides analysis of samples of drinking tanks recorded the presence of very high uranium contaminant up to 3000 ppb (300 times more the maximum contaminant level). This occurs by the percolation of oxidized waters through the fractured sandstone enriched by uranium minerals, leads to the partially dissolution of the uranium and, subsequently, releasing of uranium species in groundwater. | ||||
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