Title:
METHOD FOR REFINING METAL BY USING LIQUID METAL CATHODE
Document Type and Number:
WIPO Patent Application WO/2020/159043
Kind Code:
A1
Abstract:
One embodiment of the present invention provides a method for refining a metal by using a liquid metal cathode, comprising the steps of: a) using an electrolytic bath, which includes the liquid metal cathode at the inner lower end thereof and comprises an electrolytic salt, so as to electrolyze a molten salt of a target metal oxide, thereby forming an alloy of a target metal and a liquid metal cathode; and b) separating the liquid target metal-liquid metal cathode alloy generated through the electrolysis of the molten salt, and vacuum distilling same, thereby collecting a high-purity target metal.
Inventors:
LEE JIN YOUNG (KR)
KANG JUNG SHIN (KR)
LEE TAE HYUK (KR)
KANG JUNG SHIN (KR)
LEE TAE HYUK (KR)
Application Number:
PCT/KR2019/015580
Publication Date:
August 06, 2020
Filing Date:
November 14, 2019
Export Citation:
Assignee:
KOREA INST GEOSCIENCE & MINERAL RESOURCES (KR)
International Classes:
C25C7/08; C25C3/04; C25C7/02
Foreign References:
| KR100227921B1 | 1999-11-01 | |||
| JPH02259092A | 1990-10-19 | |||
| KR830003600A | 1983-06-21 | |||
| JPS6286188A | 1987-04-20 | |||
| JP2004523662A | 2004-08-05 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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