Revised Customer process fire refining in the Non ferrous metals sector

Fire refining

Fire-refining of blister copper

PROCESS DESCRIPTION

During refining the blister copper produced in the converter is processed to high-grade anode copper with a purity of over 99% in fire or anode furnaces. Firstly, residues of less noble elements are oxidised and removed as slag (“oxidation phase"). In the subsequent “pole phase“ natural gas, methane, propane or an ammonia-containing gas mixture is added to reduce the oxygen content. 

 

Various types of furnaces, such as rotary drum or hearth are used. For the production of copper anodes for electrolysis, the copper is cast into an anode mold at the end of refining.  

Revised Application technology fire refining in the Non ferrous metals sector

Fire refining

Lowering emissions, increasing production, saving fuel with tailormade oxygen applications

Teaser Fire Refining

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