What is it about?
This work uses a thermophile which grows in coal mines with iron as a nutrient, and thus can be applied to this copper ore rich in iron and thus helps in copper solubilization.
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Why is it important?
While tackling this ore being very hard, high temperatures can be faster and efficient and if its bacteria mediated, its environment-friendly.
Perspectives
In this work, an enriched culture of thermophile, Sulfolobus was isolated from the coal mine dumps at 75 ◦C with the objective of iron removal from coal. The preferential growth in presence of pyrite made us apply this microbe to a metal-rich environment of chalcopyrite (0.3%Cu) fromMalanjkhand granitic copper ore and test its feasibility to microbially dissolve copper under various parameters like pH, pulp density, particle size and temperature in presence and absence of bacteria.
Dr Abhilash Abhilash
National Metallurgical Laboratory, Jamshedpur
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This page is a summary of: Bioleaching of low grade granitic chalcopyrite ore by hyperthermophiles: Elucidation of kinetics-mechanism, Metallurgical Research & Technology, January 2015, EDP Sciences,
DOI: 10.1051/metal/2015031.
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