CATHODE BLOCK FOR ALUMINUM REFINING AND METHOD FOR PRODUCTION THEREOF

Title:

CATHODE BLOCK FOR ALUMINUM REFINING AND METHOD FOR PRODUCTION THEREOF

Document Type and Number:

WIPO Patent Application WO/2004/031451

Kind Code:

A1

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 the resistance to abrasion and thus has a prolonged life.

Inventors:

YAMAMURA YUJI (JP)
FUJII YOSHIHIRO (JP)
WAKASA TSUTOMU (JP)
TODA SHINJIRO (JP)

Application Number:

PCT/JP2003/002365

Publication Date:

April 15, 2004

Filing Date:

February 28, 2003

Export Citation:

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Assignee:

NIPPON ELECTRODE COMPANY LTD (JP)
YAMAMURA YUJI (JP)
FUJII YOSHIHIRO (JP)
WAKASA TSUTOMU (JP)
TODA SHINJIRO (JP)

International Classes:

C04B35/52; C04B35/532; C22B21/06; C25C3/06; C25C3/08; C25C7/02; (IPC1-7): C25C3/08

Foreign References:

JPS6265916A	1987-03-25
EP0376187A2	1990-07-04
JPS5365288A	1978-06-10

Other References: