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Some problems in the separation of copper and iron from mine waters

✍ Scribed by Anna Sopková; Karel Vetejška; Ján Bubanec

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 294 KB
Volume: 102
Category: Article
ISSN: 1873-3778
DOI: 10.1016/s0021-9673(01)85471-6

No coin nor oath required. For personal study only.

✦ Synopsis

Some copper mine waste waters contain, in addition to copper, also iron ions, the presence of which makes it difficult to recover copper by ion-exchange methods, particularly as the high acidity of the water lowers the capacity of weakly acidic ion exchangers.

Using the proposed method, mine water samples were completely freed from iron and the [Cu(NH3)$+ form was sorbed using the full capacity of the weakly acidic resin Ostion-KM (Na+). After elution with sulphuric acid, we achieved a concentration of Cuz+ ions in solution, eliminating all of the iron present in the original sample.

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