H. Antrekowitsch, C. Wenzel
The decreasing quality of the input materials in copper recycling leads to a higher content of impurities in the anode copper. Therefore an improvement of the pyrometallurgical refining process is necessary to produce high quality anodes for the copper refining electrolysis. In order to improve the metal/slag reactions as well as the volatilisation by selective oxidation in the anode furnace, the behaviour of the most important accompanying elements (e.g. nickel, tin, lead, zinc etc.) at different reaction conditions has to be investigated. This requires knowledge about thermodynamic conditions like the reaction order and the activity coefficient at the copper refining process. Additionally the interactions between different elements, but especially those for nickel, have been investigated as a function of the temperature, the content of the elements and the slag composition. These investigations were done at the Christian Doppler Laboratory for Secondary Metallurgy of Nonferrous Metals.
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author={H. Antrekowitsch and C. Wenzel},
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}TY - JOUR TI - Pyrometallurgical Refining of Copper in AU - H. Antrekowitsch AU - C. Wenzel PY - 2026 LA - en ER -
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