| 发明名称 |
METHOD FOR RECOVERING PRECIOUS METAL FROM METAL CARRIER CATALYST |
| 摘要 |
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. |
| 申请公布号 |
US2015218671(A1) |
申请公布日期 |
2015.08.06 |
| 申请号 |
US201214425579 |
申请日期 |
2012.09.06 |
| 申请人 |
Watanabe Tsuneyuki;Hayashi Kiyotaka;Kuribayashi Katsumi |
发明人 |
Watanabe Tsuneyuki;Hayashi Kiyotaka;Kuribayashi Katsumi |
| 分类号 |
C22B7/00;C22B3/00 |
主分类号 |
C22B7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for recovering precious metal loaded on a metal carrier catalyst from the catalyst, comprising:
1) a step for heating the catalyst in a nitric acid solution, and 2) a step for heat-treating the catalyst obtained by step 1) in a sulfuric acid solution. |
| 地址 |
Kakegawa-shi JP |
