A PROCESS FOR REDUCING THE CONTENT OF OXYGEN IN METALLIC COPPER

The content of oxygen in molten metallic copper is reduced during the copper refining process by adding pure carbon monoxide, produced by electrolysis of carbon dioxide in a solid oxide electrolysis cell (SOEC), thereby removing oxygen through the reduction of CuO to Cu. This way, the purity of the...

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Hauptverfasser:	BLENNOW BENGT PETER GUSTAV, JAKOBSSON NIKLAS BENGT, TARASENKO ARTEM, HADSBJERG CASPER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The content of oxygen in molten metallic copper is reduced during the copper refining process by adding pure carbon monoxide, produced by electrolysis of carbon dioxide in a solid oxide electrolysis cell (SOEC), thereby removing oxygen through the reduction of CuO to Cu. This way, the purity of the metallic copper is increased. 通过在铜精炼过程中加入在固体氧化物电解池(SOEC)中通过电解二氧化碳而产生的纯一氧化碳，使CuO还原成Cu而除去氧，从而降低了熔融金属铜中的氧含量。以这种方式，金属铜的纯度增加。