Outotec roasting solutions are based on decades of experience in developing processing technologies for concentrates and ores. Safe, easy, and cost-efficient to operate, they offer low waste generation and high availability. They also make it possible to profit from the production of useful by-products such as steam and sulfuric acid. Our bubbling fluidized bed and circulating fluidized bed technologies are the industry standard for roasting.
Roasting Shutdown Services improve productivity and availability at Nyrstar, Clarksville
Nyrstar awarded Outotec with a plant inspection for the roaster as well as with the planning and execution of the plant shutdown in summer 2019. Successful rebuild of the roaster with Outotec shutdown services improved productivity and availability of the plant.
Outotec Partial Roasting for copper and arsenic
Outotec Dead Roasting for zinc sulfide, pyrite, and gold-bearing sulfide minerals
Outotec Two-Stage Roasting for gold-bearing sulfide minerals containing arsenic
Outotec Sulfating Roasting for copper and cobalt