Low temperature aluminum reduction cell using hollow cathode
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United States of America Patent
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Aug 20, 2002
Issued Date -
N/A
app pub date -
Oct 4, 2000
filing date -
Feb 9, 1999
priority date (Note) -
Expired
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Abstract
A method of producing aluminum in an electrolytic cell containing alumina dissolved in an electrolyte. A plurality of non-consumable anodes are disposed substantially vertically in the electrolyte along with a plurality of monolithic hollow cathodes. Each cathode has a top and bottom and the cathodes are disposed vertically in the electrolyte and the anodes and the cathodes are arranged in alternating relationship. Each of the cathodes is comprised of a first side facing a first opposing anode and a second side facing a second opposing anode. The first and second sides are joined by ends to form a reservoir in the hollow cathode for collecting aluminum therein deposited at the cathode.
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