ES30823A2 -
A procedure for the direct extraction of zinc contained in oxidized minerals and more especially in Smithsonite (ZnCO3) and Calamine (H2Zn2SiO5).
- Google Patents
A procedure for the direct extraction of zinc contained in oxidized minerals and more especially in Smithsonite (ZnCO3) and Calamine (H2Zn2SiO5).
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ES30823A1902-12-091902-12-09
A procedure for the direct extraction of zinc contained in oxidized minerals and more especially in Smithsonite (ZnCO3) and Calamine (H2Zn2SiO5).
ExpiredES30823A2
(en)
A procedure for the extraction of copper from pyrite ashes or copper ores, with simultaneous obtaining of copper sulfate without going through cementation.
A process to obtain zinc and copper, or any one of these materials, from composite minerals or their analogues, by means of the special electrolytic cell system that is described.