Bioleaching of low-grade uranium ore using Acidithiobacillus ferrooxidans

被引：42
|
作者：
Pal, S. [1 ]
Pradhan, D. [2 ]
Das, T. [1 ]
Sukla, L. B. [1 ]
Chaudhury, G. Roy [1 ]
机构：
[1] Inst Minerals & Mat Technol, Bhubaneswar 751013, Orissa, India
[2] Korea Inst Geosci & Mineral Resources, Taejon 305350, South Korea
来源：
INDIAN JOURNAL OF MICROBIOLOGY | 2010年 / 50卷 / 01期
关键词：
Uranium; Bioleaching; Acidithiobacillus ferrooxidans; SHALE;
D O I：
10.1007/s12088-010-0015-z
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
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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页码：70 / 75
页数：6
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