| 发明名称 |
PREPARATION OF CHROMIC ACID USING BIPOLAR MEMBRANES |
| 摘要 |
The invention relates to a process for the preparation of alkali metal dichromates and chromic acid by the electrolysis of monochromate and/or dichromate solutions in a multi-chamber cell, wherein the anode chamber is shielded from the solution of chromate, dichromate and/or chromic acid by a bipolar ion exchanger membrane.
|
| 申请公布号 |
US5096547(A) |
申请公布日期 |
1992.03.17 |
| 申请号 |
US19910718729 |
申请日期 |
1991.06.21 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
KLOTZ, HELMUT;WEBER, RAINER;OHLENDORF, WOLFGANG |
| 分类号 |
B01D61/44;C25B1/22;C25B1/28;C25B9/00;C25B9/08 |
主分类号 |
B01D61/44 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
