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.
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