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U.S. Department of Energy
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Electrolytic production of high purity aluminum using inert anodes

Patent ·
OSTI ID:873669
A method of producing commercial purity aluminum in an electrolytic reduction cell comprising inert anodes is disclosed. The method produces aluminum having acceptable levels of Fe, Cu and Ni impurities. The inert anodes used in the process preferably comprise a cermet material comprising ceramic oxide phase portions and metal phase portions.
Research Organization:
Alcoa Technical Center/Aluminum Company of America (US)
DOE Contract Number:
FC07-98ID13666
Assignee:
Alcoa Inc. (Pittsburgh, PA)
Patent Number(s):
US 6217739
OSTI ID:
873669
Country of Publication:
United States
Language:
English