METHOD FOR REMOVING LEAD FROM COPPER ALLOY SCRAPS USING CALCIUM WIRE

Title:

METHOD FOR REMOVING LEAD FROM COPPER ALLOY SCRAPS USING CALCIUM WIRE

Document Type and Number:

WIPO Patent Application WO/2016/089064

Kind Code:

A1

Abstract:

The present invention relates to a method for removing lead from copper alloy scraps using a calcium wire. The method comprises the steps of: dissolving copper alloy scraps; adding a calcium wire to a copper alloy waste melt and dissolving the same; and raising the temperature of the melt. The method may further comprise a step for adding a reaction accelerant. The present invention enables removal of lead from copper alloy scraps at a high rate of removal.

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Inventors:

YOON EUI-HAN (KR)
KWAK BEOM-SOO (KR)

Application Number:

PCT/KR2015/012931

Publication Date:

June 09, 2016

Filing Date:

November 30, 2015

Export Citation:

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Assignee:

DAECHANG CO LTD (KR)

International Classes:

C22B7/00; C22B13/02

Foreign References:

JP4599521B2	2010-12-15
KR20080081258A	2008-09-09
JP2006028545A	2006-02-02
JPH10140254A	1998-05-26

Other References:

NAKANO, ATSUSHI ET AL.: "Removal of Lead from Copper Alloy Scraps by Compound -Separation Method", MATERIALS TRANSACTIONS, vol. 46, no. 12, 2005, pages 2719 - 2724

Attorney, Agent or Firm:

HWANG, Euy Man (KR)
황의만 (KR)

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