Sukla, L.B.; Nathsarma, K.C.; Mahanta, J.R.; Singh, S.; Behera, S.; Rao, K.S.; Subbaiah, T.; Mishra, B.K.
(Korean Journal Of Chemical Engineering, 26(6), 2009: 1668-1674)
M/S Hindustan Copper Limited (HCL), India generates large amounts of lean sulfide ores of copper. The current production of lean copper ores in India is 0.55 million tons with similar to 0.3% average copper content. ...