- Published: Tuesday, 19 April 2011 15:06
- Written by E&MJ News
Talvivaara Mining has signed off-take agreements with Cameco Corp. for uranium produced at Talvivaara’s Sotkamo mine in eastern Finland. As part of the agreement, Cameco will provide an upfront investment of up to $60 million to cover construction costs of a uranium extraction circuit in the Sotkamo processing plant, which primarily recovers nickel, zinc and copper from bio heap leach process solutions. Uranium grade in the Talvivaara ore averages 15 to 20 ppm, and uranium concentration in the heap leach solutions is low, at about 25 mg/l. However, Talvivaara has developed a solvent extraction process that can economically extract uranium from these solutions.