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Industrial by-products

Thanks to its unique metallurgical flowsheet, Umicore Precious Metals Refining processes a broad range of complex precious metals, lead, copper and nickel bearing materials from a variety of worldwide sources.

Umicore Precious Metals Refining is one of the world's major processors of by-products from the non-ferrous industry. Among others, these industrial by-products include: dross, PM-containing slag, matte, flue dust, hydrometallurgical residue, filter cake, tankhouse slimes and copper cement. 

Umicore Precious Metals Refining has the capability to comply with new sources of precious metals bearing materials. We process by-products from:

Copper industry

Umicore Precious Metals Refining offers its PM-refining services to many copper smelters worldwide.

Typically Umicore can process:

  • anode slimes, a complex combination of precious metals and impurities as Sb, Bi, As, Sn
  • flue dust containing precious metals. This product typically originates from processes treating anode slimes
  • PM-containing (doré) slags originating from the pyrometallurgical processing of anode slimes
  • PM-containing residues originating from the hydrometallurgical treatment of anode slimes or from refining processes further down the flow of PM-refining

All these products are processed at Umicore using its unique capabilities to refine these complex products guaranteeing excellent recoveries of the precious metals.

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