Verfahren zur Anreicherung von Silber oder anderen Wertmetallen durch Flotation aus einer Suspension, beispielsweise aus den Rückständen der Zinklaugung
摘要
The invention relates to a method for enriching silver or other precious metals by means of flotation from a suspension, for example from zinc-leaching residues, a metal comprising the following steps: a metal which is baser than hydrogen is added; an acid up to a pH value of 2.0 to 5.0 is added, especially 3.5 to 4.5; an organic additive in a concentration of 50 ppm to 1000 ppm is added; the mixture is contacted; and the mixture is fed into a flotation device for separating off the part containing the precious metal. The method ensures good enrichment with an equally good yield of the valuable substance desired.
申请公布号
DE19710529(A1)
申请公布日期
1998.09.17
申请号
DE1997110529
申请日期
1997.03.14
申请人
RUHR-ZINK GMBH, 45711 DATTELN, DE
发明人
SMYKALLA, G., 45721 HALTERN, DE;MUELLER, F., 45739 OER-ERKENSCHWICK, DE;LANGHANS, M., 45711 DATTELN, DE