C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/142
C25C 3/08 (2006.01)
Patent
CA 1164823
A B S T R A C T The durability of oxide-ceramic anodes can be increased, if the aluminum surface (22) in direct contact with the molten electrolyte (16), which lies opposite the active anode surface, is smaller than the active anode surface. The separated aluminum is collected on the floor (14) of the carbon lining (10), it is sub-divided by insulating material (34,36) in pools (38), which are connected together by means of tubes or channels (40). The total of all the aluminum surfaces (22) exposed to the melt (16) amounts to 10-90% of the active anode surface. (Fig. 1) - 1 -
377511
Alder Hanspeter
Schalch Eugen
Swabey Mitchell
Swiss Aluminium Ltd.
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