C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
C25C 1/14 (2006.01) C22B 1/02 (2006.01) C22B 3/04 (2006.01) C22B 3/44 (2006.01) C22B 5/12 (2006.01) C22B 7/00 (2006.01) C22B 19/34 (2006.01) C22B 25/06 (2006.01) C22B 58/00 (2006.01) C25B 1/00 (2006.01) C25C 1/16 (2006.01) C25C 1/22 (2006.01)
Patent
CA 2674069
Provided is a method of recovering valuable metal from oxide system scrap including the steps of performing electrolysis using an insoluble electrode as an anode and an oxide system scrap as a cathode, and recovering the scrap of the cathode as metal or suboxide. Specifically, this method enables the efficient recovery of valuable metal from oxide system scrap of an indium-tin oxide (ITO) sputtering target or oxide system scrap such as mill ends that arise during the production of such a sputtering target.
L'invention concerne un procédé de récupération d'un métal de valeur à partir d'un déchet à base d'oxyde, caractérisé par l'utilisation d'une électrode insoluble comme anode, l'utilisation du déchet à base d'oxyde comme cathode et la conduite d'une électrolyse pour récupérer le déchet de cathode sous la forme d'un métal ou d'un sous-oxyde. Ainsi, un métal de valeur est récupéré de façon efficace à partir d'un déchet à base d'oxyde, par exemple une cible de pulvérisation cathodique faite d'un oxyde d'indium et d'étain (ITO) ou de fragments résultants de la production.
Shindo Yuichiro
Takemoto Koichi
Jx Nippon Mining & Metals Corporation
Nippon Mining & Metals Co. Ltd.
Smart & Biggar
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