Radioactivity of Phosphate Ore, Superphosphate, and Phosphogypsum in Abu-zaabal Phosphate Plant, Egypt

1 September 1994

journal article
Published by Wolters Kluwer Health in Health Physics

Vol. 67 (3) , 280-282
https://doi.org/10.1097/00004032-199409000-00010

Abstract

A measurement of the radioactivity content of phosphate ore material, phosphatic fertilizer (superphosphate), and by-product phosphogypsum in the Abu-Zaabal phosphate plant, Egypt, has been carried out. According to the results of gamma-ray spectroscopy analysis, 238U was found in concentrations of 523, 473, and 134 Bq kg-1; 226Ra in concentrations of 514, 301, and 411 Bq kg-1; 232Th in concentrations of 37, 24, and 19 Bq kg-1; and 40K in concentrations of 19, 3, and 16 Bq kg-1 for the analyzed materials, respectively. The data are discussed and compared with those given in the literature for some other countries in light of permissible radiation dose rates.

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