Bioleaching with ultrasound

Application of bioleaching of metals in a large-scale operation is reviewed briefly. Continued technical innovation is vital for the wider utilisation of this extraction process within the mineral industries. Therefore, the use of power ultrasound in combination with bioleaching (referred to as sono...

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Bibliographic Details
Published in:Ultrasonics sonochemistry 2005-03, Vol.12 (4), p.301-306
Main Authors: Swamy, K.M., Narayana, K.L., Misra, Vibhuti N.
Format: Article
Language:English
Subjects:
Aspergillus niger - metabolism
Bacteria - metabolism
Bioleaching
Biomass
Chemistry
Exact sciences and technology
General and physical chemistry
Hydrogen-Ion Concentration
Industrial Microbiology
Metallurgy - methods
Mining
Nickel - isolation & purification
Nickel ore
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
Sonobioleaching
Ultrasonic chemistry
Ultrasonics
Ultrasound
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Summary:Application of bioleaching of metals in a large-scale operation is reviewed briefly. Continued technical innovation is vital for the wider utilisation of this extraction process within the mineral industries. Therefore, the use of power ultrasound in combination with bioleaching (referred to as sonobioleaching) has been studied and is shown to be beneficial in the recovery of nickel from lean grade ores. The role of ultrasound in improving the benefits and lowering the drawbacks of bioleaching to an acceptable level are described. A possible mechanism for improving and intensifying this process is hypothesised.
ISSN:1350-4177
1873-2828
DOI:10.1016/j.ultsonch.2004.01.035