Material components protection against the corrosive action cryolite melts in aluminium reduction cells
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United States of America Patent
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Nov 8, 2022
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N/A
app pub date -
Apr 16, 2019
filing date -
Apr 16, 2018
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Abstract
The present document describes an electrolytic cell comprising a protective layer comprising elemental copper covering at least in part or all of a refractory material assembly covering an interior surface thereof. Also described is a copper oxide containing composition comprising copper oxide and any one of a reducing agent and a binder. Also described is a method of protecting a refractory material assembly covering an interior surface of an electrolytic cell, comprising covering at least in part, or all of the refractory material assembly with a copper sheet, a structure comprising elemental copper, a copper oxide, an elemental copper comprising composite material, a copper oxide containing composition and combinations thereof, to provide a protective layer comprising elemental copper.
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