![](/assets/images/picto-drapeau-france-3a76576a5d60a512053b4612ab58dae5.png)
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....
Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!
![](/assets/images/logo-eti-286623ed91fa802ce039246e516e5852.png)
The Ultimate Scientific and Technical Reference
This article is included in
Metal manufacturing processes and recycling
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Industrial cases
Bibliography
Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!
![](/assets/images/logo-eti-286623ed91fa802ce039246e516e5852.png)
The Ultimate Scientific and Technical Reference