BIOSORPTION OF RADIOACTIVE ELEMENTS FROM PHOSPHOGYPSUM BY SACCHAROMYCES CEREVISIAE | ||||
Bulletin of Faculty of Science, Zagazig University | ||||
Article 1, Volume 2017, Issue 1, 2017, Page 1-17 PDF (418.72 K) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/bfszu.2017.31006 | ||||
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Authors | ||||
Saadia M. Easa1; Mohsen M. Ali2; Nora S. Gad2; Mahmoud. M. El-Maadawy2; Dina M. Elgohary1 | ||||
1Microbiology Department, Faculty of Science, Ain Shams University | ||||
2Nuclear Materials Authority. P.O. Box 530, El Maadi, Cairo, Egypt | ||||
Abstract | ||||
Phosphogypsum (PG) is an important industrial by-product derived from phosphoric acid and phosphate fertilizer manufactures by dehydrates process. Using Saccharomyces cerevisiae as a biosorbant for uranium (U), thorium(Th) and radium (Ra) from (PG) by Appling different carbon sources such as maltose, sucrose, starch, lactose, fructose and glucose. Starch, maltose and fructose media give most uranium biosorption capacity (13, 13 and 14 ppm) while in sucrose and glucose media give (20 and 22 ppm). Maltose and starch media give the highest thorium biosorption capacity. At the same time sucrose and glucose give moderate biosorption. | ||||
Keywords | ||||
Biosorption; phosphogypsum; Radioactive; Saccharomyces cerevisiae | ||||
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