Artículo de revista
Process for refining copper in solid state
Date
1999Registration in:
Minerals Engineering, Volumen 12, Issue 4, 2018, Pages 405-414
08926875
10.1016/S0892-6875(99)00020-5
Author
Villarroel,
Institutions
Abstract
A process for removing impurities from copper concentrate prior to smelting is presented here. The concentrate is subjected to thermal decomposition in a vacuum chamber at temperatures of about 950 °C. This pretreatment allows the complete removal of arsenic, antimony, bismuth, lead, zinc, as well as of other impurities from the copper concentrate.