Shaping the evolution of flotation: Metso celebrates 50 years in mechanical flotation
Metso Corporation’s press release on September 1, 2023, at 09:00 a.m. EESTFlotation technology has played a pivotal role in Metso’s history for over five decades. Evolving from humble beginnings at Outokumpu, and then further developed by Outotec, Metso has shaped the course of mechanical flotation and propelled the industry forward.
The OK cell was taken into commercial use in 1973 with a capacity of 16 cubic meters. At that time in flotation history, tanks were square-shaped when viewed from the top. As demand for even larger tanks escalated, a 38-cubic-meter version was introduced to