Radiometric and microbiological investigations of ore and waste samples with especial emphasis on suitable fungus for remediation processes

Document Type : Original Article

Authors

1 Nuclear Materials Authority

2 Nuclear Materials Authority, Cairo, Egypt.

3 Faculty of Women ,Ain shams university

4 Physics Department, Faculty of Science Ain Shams University, Cairo, Egypt

5 Nuclear Materials Authority, Cairo, Egypt

Abstract

The capacity of the micro-organisms in ore transformations makes bioleaching technique a very interesting alternative to conventional processes. Radiometric studies indicate high uranium contents in ore and waste samples. This paper describes the suitable fungus species for mobilization of U from low-grade U ores and their resulting wastes. The high bioleaching efficiency in waste samples is mainly attributed to the presence of high sulphate contents in these samples which converted by the assistance of microorganisms into sulphuric acids and so, increase the bioleaching efficiency. Fungal leaching technique demonstrated an adequate recovery of uranium, with an efficient and cost-effective means from waste samples and respect
to a reuse of waste for economic and environmental purposes
 

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