| 摘要 |
<p>PURPOSE:To provide the method and device for a high-current density electrolysis which can continuously separate and recover valuable metals, such as gold and platinum groups, and alloys contg. these metals with the reduced cost by a high-current density. CONSTITUTION:Anode metals 4 are supplied to an anode chamber of an electrolytic device and an electrolysis is effected by connecting both electrodes to a conductor with which 1500A/m<2> current is obtainable. The electrodeposited metallic powder deposited on the cathode on progression of the electrolysis is continuously discharged to the outside of an electrolytic cell 3 by an electrolyte 5 forcibly supplied into a cathode box 2. The electrodepositied metallic powder is recovered by filtering the electrolyte 5. The filtrate is supplied into the cathode chamber. On the other hand, the slime formed on the anode is peeled by agitating the anode metals 4 with a scraper 6 and is discharged to the outside of the electrolytic cell 3 by the electrolyte 5 forcibly supplied into the anode chamber. The electrolyte 5 is filtered and solids are sent to a refining stage where the noble metals are recovered. The filtrate is supplied into the anode chamber.</p> |
