发明名称 |
Electrolytic recovery of cobalt oxo catalysts |
摘要 |
According to one embodiment of the improved process of this invention, dicobalt octacarbonyl is produced in liquid medium by subjecting an aqueous solution of a tetracarbonylcobaltate salt in the presence of a solvent for dicobalt octacarbonyl to an externally applied voltage and electrical current at a magnitude and for a time sufficient to convert at least a portion of the tetracarbonylcobaltate anion to dicobalt octacarbonyl which is efficiently extracted into said solvent, thereby producing a solvent phase which can be recovered and passed to a cobalt-catalyzed olefin hydroformylation reaction zone as the source of at least a portion of the catalyst and olefin required in the olefin hydroformylation reaction to form the corresponding aldehydes. It has been surprisingly found that such a two-phase electrolysis can be performed to efficiently provide high yields of dicobalt octacarbonyl while substantially avoiding the fouling problems associated with aqueous-phase electrolysis.
|
申请公布号 |
US4419195(A) |
申请公布日期 |
1983.12.06 |
申请号 |
US19820337593 |
申请日期 |
1982.01.07 |
申请人 |
EXXON RESEARCH & ENGINEERING CO. |
发明人 |
YOUNG, DAVID A. |
分类号 |
C25B3/02;C25B3/12;(IPC1-7):C25B3/02 |
主分类号 |
C25B3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|