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Article | REF: M2372 V1

Germanium-Metallurgy

Authors: Pierre BLAZY, El-Aïd JDID

Publication date: September 10, 2010

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9. Industrial cases

The industrial production of germanium concentrates is derived from ores or leaching residues from the manufacture of electrolytic zinc or from flotation concentrates from sulphide base metal ores. .

9.1 Copper ore from the Apex mine

At the Apex mine (Utah), copper ore contains germanium and gallium. After acid leaching (H 2 SO 4 ) in the presence of SO 2 , copper is first extracted by carburizing over iron....

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