Direct nickel process

Direct Nickel Process

Get continuous production of high-grade nickel matte with low iron content with Metso's Outotec process for Direct Nickel Flash Smelting.

When coupled with our slag cleaning process, nickel smelting is straightforward, cost effective, and does not require ladles or complex plant layouts.

Offers raw material flexibility
Enables high recovery for PGMs and other valuables
Allows high sulfur recovery with only one continuous high-strength SO₂ stream to the acid plant
Ensures low investment and operating costs for smelter and acid plants
Improves in-plant hygiene and decreases emissions
Gives long campaign life

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