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Title:
スラグフューミング法で得られる銅合金とマットの再利用方法
Document Type and Number:
Japanese Patent JP4274069
Kind Code:
B2
Abstract:

To provide a method which provides dust containing zinc and lead and having low arsenic and antimony contents and slag stably satisfying soil environmental standards, and realizes reutilization of a copper alloy and a mat including iron, lead, arsenic and other impurity metals which are simultaneously formed as copper sources for a copper fused body, when the method is used for subjecting slag produced from a smelting furnace for zinc and/or lead smelting to slag fuming.

The method for utilizing a copper alloy and a mat is characterized in that, when slag containing sulfur together with zinc and lead, and containing arsenic or arsenic and antimony is subjected to reduction blowing under the coexistence of a copper fused body in a slag fuming furnace, a copper alloy and a mat formed during the slag fuming are treated by a prescribed means and are repeatedly used as copper sources for the copper fused body.

COPYRIGHT: (C)2006,JPO&NCIPI


Inventors:
Keiji Fujita
Junichi Takahashi
Toshiro Tan
Application Number:
JP2004209460A
Publication Date:
June 03, 2009
Filing Date:
July 16, 2004
Export Citation:
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Assignee:
Sumitomo Metal Mining Co., Ltd.
International Classes:
C22B7/04; C22B13/02; C22B19/08
Domestic Patent References:
JP63192828A
JP11269567A
Attorney, Agent or Firm:
Kenji Kawabi