METHOD FOR PRODUCING A CATHODE STEEL BAR WITH COPPER INSERT, AND METHOD FOR REMOVING A COPPER INSERT FROM A USED CATHODE BAR
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United States of America Patent
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Feb 1, 2024
app pub date -
Dec 17, 2021
filing date -
Dec 21, 2020
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Abstract
The present invention relates to a method for producing a cathode steel bar with copper insert for use in an electrolytic cell for the electrolytic production of aluminium using the Hall-Héroult process. The present invention further relates to a method of removing a copper insert from a cathode bar used in an electrolytic cell for the electrolytic production of aluminium using the Hall-Héroult process, and reusing the copper from old copper inserts in production of new cathode bars with copper insert.
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