Outotec® PM Kaldo Process

Achieve high recovery of valuable metals with the Outotec Kaldo Process. This versatile technology can be used for smelting and converting various primary and secondary raw materials such as concentrates, copper scrap, anode slimes, and e-waste. The process utilizes a top-blown rotary converter and Outotec Kaldo Furnace equipped with advanced charging and off-gas systems for a very compact plant layout and high operational flexibility.

  • Produces a high recovery of valuable metals    
  • Lowers operating and maintenance costs    
  • Offers high process flexibility    
  • Contributes to versatile and efficient operations    
  • Allows a compact plant layout