To remove one or several heavy metals with a fluid containing the said metals

摘要

A process in which metal foil is introduced into a fluid containing one or more heavy metals, so 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, preferably an NaAl complex, is brought into contact with the foil and the fluid whereby the metal or metals precipitate and after precipitation are separated from the fluid in a way known per se.