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Bioleaching of low-grade uranium ore using Acidithiobacillus ferrooxidans.

Authors
  • Pal, S
  • Pradhan, D
  • Das, T
  • Sukla, L B
  • Chaudhury, G Roy
Type
Published Article
Journal
Indian journal of microbiology
Publication Date
Mar 01, 2010
Volume
50
Issue
1
Pages
70–75
Identifiers
DOI: 10.1007/s12088-010-0015-z
PMID: 23100810
Source
Medline
License
Unknown

Abstract

Bioleaching of uranium was carried out with Turamdih ore sample procured from Uranium Corporation of India Limited, Jaduguda. The bacterial strain that was used in the leaching experiments was isolated from the Jaduguda mine water sample. Efficiency of bioleaching was studied by varying parameters like pulp density and initial ferrous concentration as source of energy. It is observed that the efficiency of bioleaching was 49% at 10% pulp density (w/v) and initial pH 2.0. Addition of external has no effect on efficiency of bioleaching showing domination of direct leaching mechanism over indirect.

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