Selective Chemical and Biological Metal Recovery from Cu-Rich Bioleaching Solutions

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  • Sabrina Hedrich
    Federal Institute for Geosciences and Natural Resources, Hannover
  • René Kermer
    G.E.O.S. Ingenieursgesellschaft mbH, Freiburg
  • Tim Aubel
    G.E.O.S. Ingenieursgesellschaft mbH, Freiburg
  • Mirko Martin
    G.E.O.S. Ingenieursgesellschaft mbH, Freiburg
  • Axel Schippers
  • D. Barrie Johnson
  • Eberhard Janneck
    G.E.O.S. Ingenieursgesellschaft mbH, Freiburg
Pregnant leach solutions (PLS) resulting from bioleaching of copper concentrate from Kupferschiefer are characterized by low pH and high concentrations of Fe, Cu, Zn as well as significant amounts of Ni and Co. In order to recover the valuable metals for further processing, chemical methods and a novel biological-induced technique that promotes selective metal recovery and sulfate removal from acidic liquors were applied and a process scheme was developed.
Original languageEnglish
Pages (from-to)107-112
JournalSolid State Phenomena
Volume262
Publication statusPublished - Aug 2017
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