Hindustan Copper Limited to use bio-leaching tech for ore processing

Innovation

The company has signed a memorandum of understanding with the Institute of Minerals and Materials technology for the technique.
The extraction of ore through this technology using a cluster of bacteria will save costs.

Kolkata April 17 Hindustan Copper Ltd contemplates using a cluster of bacteria to recover copper from its low grade sulphide (chalcopyrite) ore by using state-of-the-art bio-leaching technique.

The Institute of Minerals and Materials Technology (IMMT), formerly known as Regional Research Laboratory (RRL) under Council of Scientific and Industrial Research, is developing the technique on behalf of the company.

To make similar additional innovative measures feasible, Hindustan Copper has signed a Memorandum of Understanding with IMMT, which contemplates joint research and development programmes.

MoU

The agreement was signed in the presence of Mr Satish C. Gupta, Chairman and Managing Director of Hindustan Copper Limited and Dr B.K. Misra, Director, IMMT. IMMT is engaged in R&D on development of energy efficient and eco-friendly processes among others for the conservation and sustainable utilisation of mineral resources and mineral wastes.

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Extraction of copper from low-grade ores is otherwise quite a costly proposition.

R & D

A company press note says that besides the low grade ore of Hindustan Copper Limited's Malanjkhand Copper Project in Madhya Pradesh, a lot of R&D work on bioleaching of lagoon material at its Khetri Copper Complex (KCC) in Rajasthan has also been completed.

Around 22 per cent copper recovery was observed in column leaching in 26 days using the thermophilic bacteria isolated from KCC.

IMMT has also handed over a typical sample of copper cathode produced from Malanjkhand Copper Project's low-grade ore.

This MoU will open up new vistas for both Hindustan Copper Limited and IIMT to jointly explore the possibilities of research and innovation with thrust on energy conservation, mineral processing and environment management.

Research body to help in getting metal from chalcopyrite

N G Nair, Mining Engineer from Copper Mines in India - Mobile 09425898691