Title:
金属担体触媒からの貴金属回収方法
Document Type and Number:
Japanese Patent JP5889417
Kind Code:
B2
Abstract:
A method for recovering precious metal held in a metal carrier catalyst from said catalyst, that includes a step (1) in which the catalyst is heated in a nitric acid solution, and a step (2) in which the post-step (1) catalyst is heat treated in a sulfuric acid solution.
Inventors:
Watanabe Tsuneyuki
Hayashi Kiyotaka
Katsumi Kuribayashi
Hayashi Kiyotaka
Katsumi Kuribayashi
Application Number:
JP2014534111A
Publication Date:
March 22, 2016
Filing Date:
September 06, 2012
Export Citation:
Assignee:
Cataler Co., Ltd.
International Classes:
C22B3/06; C22B7/00; C22B11/00
Domestic Patent References:
| JPH03154640A | 1991-07-02 | |||
| JPH0834619A | 1996-02-06 | |||
| JPH03154640A | 1991-07-02 |
Foreign References:
| WO2005087375A1 | 2005-09-22 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Satoshi Deno
Nobuo Sekine
Kazuya Shiokawa
Takashi Ishida
Tetsuji Koga
Satoshi Deno
Nobuo Sekine
Kazuya Shiokawa