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Patent Searching and Data


Title:
METHOD FOR RECOVERING VALUABLE METALS FROM VALUABLE METAL-CONTAINING TARGET WASTE
Document Type and Number:
WIPO Patent Application WO/2017/078315
Kind Code:
A1
Abstract:
The present invention relates to a method for recovering valuable metals from valuable metal-containing target waste. An embodiment of the present invention proposes a method for recovering valuable metals from valuable metal-containing target waste, the method comprising: an alkali fusion and separation step for precipitating a hydroxide of a first valuable metal using alkali fusion of a powder of the target waste, and separating the first valuable metal hydroxide precipitate from the remaining alkali solution in which a second valuable metal is dissolved; and a valuable metal recovery step for recovering valuable metals from the separately obtained first valuable metal hydroxide precipitate, the separately obtained remaining alkali solution, or both the first valuable metal hydroxide precipitate and the remaining alkali solution.

Inventors:
LEE, Young Sun (2105Dong 2604Ho, 55 Convensia-daero 274beon-gil,Yeonsu-gu, Incheon, 22009, KR)
Application Number:
KR2016/012011
Publication Date:
May 11, 2017
Filing Date:
October 25, 2016
Export Citation:
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Assignee:
KOREA TECHNO BRAINS CO., LTD (40-3, Aenggogae-ro 697beon-gilNamdong-gu, Incheon, 21677, KR)
International Classes:
C22B7/00; C22B9/02; C22B19/00; C22B58/00
Foreign References:
JP2014025141A2014-02-06
JP2014185063A2014-10-02
KR101213604B12012-12-18
JP2007270262A2007-10-18
KR101546611B12015-08-27
Attorney, Agent or Firm:
LEE, Bum Ho (5F 117, Dogok-roGangnam-gu, Seoul, 06253, KR)
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