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Title:
アルミニウム精錬用カソードブロック及びその製造方法
Document Type and Number:
Japanese Patent JP4385583
Kind Code:
B2
Abstract:
A cathode block for aluminum refining containing a calcined coke in a proportion of 15 to 100wt %, characterized in that the calcined coke is prepared by mixing a heavy oil having a content of quinoline insoluble components of 10 to 25wt%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.

Inventors:
Yuji Yamamura
Yoshihiro Fujii
Tsutomu Wakasa
Shinjiro Toda
Application Number:
JP2002293758A
Publication Date:
December 16, 2009
Filing Date:
October 07, 2002
Export Citation:
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Assignee:
Mitsubishi Chemical Corporation
Nippon Electrode Co., Ltd.
International Classes:
C25C3/08; C04B35/52; C04B35/532; C22B21/06; C25C3/06; C25C7/02
Domestic Patent References:
JP62065916A
JP4283293A
JP2302493A
JP2002266091A
Attorney, Agent or Firm:
Kazuhiko Okada