| Original document(17 pages) Authorized document(17 pages) 中文版 |
A regeneration method of a working solution is herein disclosed in which various by-products which do not participate in the production of hydrogen peroxide and which are present in the working solution in a hydrogen peroxide production process utilizing an anthraquinone method can efficiently be converted into anthraquinones effective as reaction media for the production of hydrogen peroxide. The present invention is concerned with (1) a regeneration method of a working solution wherein at least a part of the unreduced working solution is brought into contact with a catalyst mainly comprising a gamma -alumina at a temperature of 40 to 150 DEG C., and (2) another regeneration method of a working solution. |
Application Number
申请号 |
97110726 |
Application Date
申请日 |
1997.04.11 |
| Title 名称 |
Regeneration method of working solution |
Publication Number
公开号 |
1166450 |
Publication Date
公开日 |
1997.12.03 |
| Approval Pub. Date |
2003.05.21 |
Granted Pub. Date |
2003.05.21 |
| International Classification 分类号 |
C01B15/023;C07C50/18 |
Applicant(s) Name
申请人 |
Mitsubishi Gas Chemical Co., Ltd. |
| Address 地址 |
|
| Inventor(s) Name 发明人 |
Kazuharu Ogasawara;Tomio Kato;Kazuyuki Minato |
| Attorney & Agent 代理人 |
CHEN JIZHUANG |
| More information 更 多 信 息 |
|
| Related patents information |
|
|
|
|
|
|