Title:
金属の回収方法及び金属の回収システム、並びに溶液の再生方法及び溶液の再利用システム
Document Type and Number:
Japanese Patent JP6553596
Kind Code:
B2
Abstract:
[Problem] To provide: a metal collection method and a metal collection system, whereby it becomes possible to collect a metal from a liquid metal waste with high efficiency and at low cost; and a solution regeneration method and a solution reuse system. [Solution] One embodiment of the metal collection method according to the present invention comprises: a deposition step of bringing a solution, which contains no fluoride ion or contains the fluoride ion in an amount of 0 to 8 mg/L exclusive and contains ions of at least one element selected from the group consisting of gold, silver, copper, palladium, rhodium, platinum, ruthenium and osmium, into contact with particulate silicon of which the entire or a part of the surface is covered with an insulating layer, thereby depositing a metal comprising the element onto the silicon; and a collection step of collecting the metal that comprises the element and is deposited on the silicon.
Inventors:
Shinji Yae
Application Number:
JP2016514844A
Publication Date:
July 31, 2019
Filing Date:
April 06, 2015
Export Citation:
Assignee:
Public University Corporation Hyogo Prefectural University
International Classes:
C22B11/00; C22B3/46; C22B7/00; C22B15/00; C25C7/06
Domestic Patent References:
| JP2013177663A | ||||
| JP6192841A |
Attorney, Agent or Firm:
Hiroaki Kono