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2018
Hydrometallurgical methods for the extraction of copper are by no means new. The ancient Greeks noted the blue tinge given to mine waters and accidentally found that from these waters copper could be recovered by metallic iron, although they were under the impression that the water had the power of transmuting iron into copper.
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Hydrometallurgical methods for the extraction of copper are by no means new. The ancient Greeks noted the blue tinge given to mine waters and accidentally found that from these waters copper could be recovered by metallic iron, although they were under the impression that the water had the power of transmuting iron into copper.
openaire +1 more source