ASPEN Metal and Mining

Technical Expertise

Smelting & Refining

From concentrate or calcine to saleable metal, including the refining steps that remove the last impurities.

Scope

  • Blast furnace, ISF and direct-smelting routes
  • Flash and bath smelting for copper and nickel
  • Drossing, softening and desilverising
  • Fire refining and anode casting
  • Vacuum and zone refining for high-purity products
  • Casting, alloying and product handling