C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
39/1, 53/282
C22B 15/14 (2006.01) C22B 15/00 (2006.01)
Patent
CA 1080482
ABSTRACT OF THE DISCLOSURE The disclosure relates to a process for the thermal re- fining of contaminated copper in the molten phase wherein, first runs of molten raw copper are bessemerized from copper matte into blister copper or from black copper into converter copper to form an intermediate product, and, subsequently, thermally refining said intermediate product to anode quality, characterized by melt- ing the intermediate product and simultaneously treating the molten substance with reaction media in two reaction levels located one above the other in a treating room. It also relates to an apparatus for the thermal refining of contaminated copper in the molten phase which comprises a reactor and at least two separate means located one above the other for blowing-in reaction gas at different rea- cation levels in said molten phase. This will make it possible to produce a copper of high degree of purity from contaminated black copper or copper matte.
252711
Kryczun Alfred
Melcher Gerhard
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