Finex Process

Finex is a fluidized-bed smelting reduction process, and is considered to be a more advanced form of Corex process. Its core plant consists a melter-gasifier – which melts the DRI and gassifies the coal – and a series of successive fluidised beds that reduce ore fines to DRI. The technology utilizes fine ore and non-coking coal. Iron ore is first pre-reduced in fluidized-bed reactors by reducing gas coming from melter gasifier. Subsequently, hot metal is produced in the melter gasifier. Coal and oxygen are supplied in the melter gasifier.

Development Status Products
Commercial
iron

Finex ProcessCosts & Benefits

Parent Process: Smelting Reduction
Energy Savings Potential

Coal consumption of the process is less than 700 kg-coal/t-HM.

An additional energy reduction of 1.3 GJ/t-HM is reported by utilizing off-gases after CO2 removal.

 

CO2 Emission Reduction Potential

The process is reported to have 4% less CO2 reductions, as compared to blast furnace route. 

Costs

According to the company, the capital and operational costs of Finex are 15 – 20% lower than conventional BF route (Siemens VAI).

Finex ProcessSchematic