Title:
RECOVERY KIT, RECOVERY METHOD AND RECOVERY APPARATUS FOR NOBLE METAL PARTICLES
Document Type and Number:
WIPO Patent Application WO/2023/276710
Kind Code:
A1
Abstract:
Provided is a noble metal particle recovery kit which can be used repeatedly and which can recover, through a simple method, noble metal particles from a solution in which noble metals have been dissolved. The noble metal particle recovery kit according to the present disclosure contains the following adsorbent and the following reducing agent. The adsorbent has a function of adsorbing noble metal ions in a solution in which the noble metals are dissolved, when the adsorbent is brought into contact with the solution. The reducing agent has a function of reducing the noble metal ions to be desorbed from the adsorbent, and forming particles, when the adsorbent is brought into contact with the noble metal ions adsorbed onto the adsorbent. The adsorbent is preferably an ester having a sugar skeleton, and in particular, is preferably a polysaccharide acylate.
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Inventors:
SAKATA YUMI (JP)
NAKAMURA TOSHIKAZU (JP)
ITAYA SAE (JP)
MORI TARO (JP)
GONDO KEISUKE (JP)
NAKAMURA TOSHIKAZU (JP)
ITAYA SAE (JP)
MORI TARO (JP)
GONDO KEISUKE (JP)
Application Number:
PCT/JP2022/024237
Publication Date:
January 05, 2023
Filing Date:
June 10, 2022
Export Citation:
Assignee:
DAICEL CORP (JP)
International Classes:
C22B11/00; B01D15/00; B01J20/24; B01J20/34; B22F1/00; B22F9/24; C22B3/24
Domestic Patent References:
| WO2017111092A1 | 2017-06-29 | |||
| WO2020027091A1 | 2020-02-06 |
Foreign References:
| JP2020143322A | 2020-09-10 | |||
| JP2014109064A | 2014-06-12 | |||
| JP2016040032A | 2016-03-24 | |||
| JP2014004518A | 2014-01-16 | |||
| JP2012170950A | 2012-09-10 | |||
| JP2013079415A | 2013-05-02 |
Attorney, Agent or Firm:
G-CHEMICAL INTELLECTUAL PROPERTY FIRM (JP)
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