| 摘要 |
<p>An apparatus comprising a container (12) having a perforated bottom portion (10) and, arranged on and above a retaining member (14) in the container, a plurality of absorbent particles containing a metal or metal compound capable of catalyzing the deposition of the dissolved metal from the solution. The solution is first passed through dispersing or distributing means (18), which can be integral part of the container, prior to passing downward through the container for contact with the absorbent particles.</p> |
