Cathode block for aluminum refining and method for...

Details Cathode block for aluminum refining and method for... Cathode block for aluminum refining and method for...

2007-11-27

2007-11-27

Bell, Bruce F. (Department: 1745)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S280000, C204S243100, C423S448000, C423S460000

Reexamination Certificate

active

10530367

ABSTRACT:
A cathode block for aluminum refining containing a calcined coke in a proportion of 15 to 100 wt %, characterized in that the calcined coke is prepared by mixing a heavy oil having a content of quinoline insoluble components of 10 to 25 wt % with 3 to 20 wt % of carbon black, and subjecting the resultant mixture to coking and then calcination. The cathode block for aluminum refining is excellent in resistance to abrasion and thus has a prolonged life.

REFERENCES:
patent: 2002/0000373 (2002-01-01), Ninomiya et al.
patent: 0 376 187 (1989-12-01), None
patent: 62-065916 (1987-03-01), None

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