Fremgangsmate til rensing av en vandig losning som er kontaminert med et aluminiumsalt eller salter av solv, kvikksolv, kopper, bly, tinn, molybden, nikkel, kadmium, jern, sink, krom, mangan og zirkonium.

摘要

In a method of purifying an aqueous solution contaminated by an aluminium salt and salts of less noble metals, an alkali is first added to the aqueous solution followed by adding metallic aluminium. This results in the precipitation of aluminium as well as the less noble metals, which are subsequently removed.