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Patent Searching and Data


Title:
METAL RECOVERY AGENT, METAL RECOVERY LIQUID, METAL COMPOUND RECOVERY METHOD, AND METAL RECOVERY METHOD
Document Type and Number:
WIPO Patent Application WO/2019/107429
Kind Code:
A1
Abstract:
The metal recovery agent according to the present disclosure contains at least one selected from guanidine, guanidine carbonate, guanidine hydrochloride, guanidine nitrate, guanidine sulfate, and guanidine chloride. The metal recovery liquid according to the present disclosure contains guanidine or guanidium ions. The metal compound recovery method according to the present disclosure has an elution step for eluting a metal from a metal-containing material using a dissolution agent, a mixing step for mixing the metal recovery agent or the metal recovery liquid, a production step for producing a metal compound containing the metal, and a recovery step for recovering the metal compound. The metal recovery method according to the present disclosure has an oxidation step for oxidizing the metal compound obtained by the metal compound recovery method, a reduction step for reducing the metal oxide to obtain the metal, and a recovery step for recovering the metal.

Inventors:
MAKINO,Takahiko (6 Takeda Tobadono-cho, Fushimi-ku, Kyoto-sh, Kyoto 01, 〒6128501, JP)
Application Number:
JP2018/043816
Publication Date:
June 06, 2019
Filing Date:
November 28, 2018
Export Citation:
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Assignee:
KYOCERA CORPORATION (6 Takeda Tobadono-cho, Fushimi-ku Kyoto-sh, Kyoto 01, 〒6128501, JP)
International Classes:
C22B34/24; C22B3/04; C22B3/44; C22B34/20
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