Dependence of radon exhalation on grain size of sedimentary waste

Tailings resulted from sulphuric acid leaching process of uranium from sedimentary rocks contain high concentrations of 226 Ra and its daughters, the most important of which is 222 Rn. Movement of radon gas out of the tailings is strongly influenced by the physicochemical characteristics of these ta...

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Veröffentlicht in:Environmental earth sciences 2018-07, Vol.77 (14), p.1-10, Article 534
Hauptverfasser: Ibrahim, Eman M., El Aassy, Ibrahim E., Abdel Ghany, Hayam Ahmed, Gamil, S. H.
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Sprache:eng
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Zusammenfassung:Tailings resulted from sulphuric acid leaching process of uranium from sedimentary rocks contain high concentrations of 226 Ra and its daughters, the most important of which is 222 Rn. Movement of radon gas out of the tailings is strongly influenced by the physicochemical characteristics of these tailings especially their radium content and the grain size. So, the tailing samples were size fractionated into four sizes (> 250, 250–125, 125–74 and  250 and
ISSN:1866-6280
1866-6299
DOI:10.1007/s12665-018-7710-1