| 摘要 |
<p>A process in which metal foil is introduced into a fluid containing one or more heavy metals, such that one part of the surface of the foil is in contact with the fluid and another part thereof is in contact with air and that an activator in the form of a solution of a complex compound, preferably based on the metal comprising the foil, and more preferably an NaAl complex, is contacted with the foil and the fluid whereby the metal or metals precipitate and after precipitation are separated from the fluid in a conventional manner.</p> |
