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Hydrometallurgy and bioprocessing


Our laboratory’s hydrometallurgy expertise includes cyanide leaching of gold, various types of acid leaching methods for ores and slag, as well as pressure leaching. We have the opportunity to conduct hydrometallurgicical studies as batch studies or on a continuous scale.


The bioprocessing studies of our mineral technology laboratory aim at environmentally friendly and cost-efficient utilisation of mineral resources. The objective is reduce the energy consumption of beneficiation processes (such as - flotation and leaching) utilising biotechnology, thus offering more cost-effective processes than before. When microbes are utilised, it is possible to reduce or even avoid using chemicals, which will directly influence not only processing costs but also the environment. Our laboratory conducts bioleaching studies to separate metals from sulphide ores, for example. A new research theme is studying the application of bioleaching in various slag materials and industrial side products.

Technical hydrometallurgy and bioprocessing capabilities:

  • Batch reactors
  • Continuously operating leaching facility
  • Leaching columns
  • Pressure leaching autoclave

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