Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Odd-Arne Lorentsen0
Stein Julsrud0
Christian Rosenkilde0
Date of Patent
February 1, 2011
0Patent Application Number
115965680
Date Filed
June 3, 2005
0Patent Primary Examiner
Patent abstract
The present invention relates to a method of improving the current efficiency (CE) in an electrolytic aluminum production cell with an electrolytic bath, at least one anode and at least one cathode, and passing current between said anode and said cathode through said bath and feeding an aluminum containing feedstock to the cell. The CE is improved in that the aluminum containing feedstock is prepared in a manner where it contains substantially no humidity or water before it is fed to the cell, where the electrolytic process is carried out at conditions with reduced amount of hydrogen present.
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