April 2008
http://www.asiapacificpartnership.org/pdf/Steel/5th_meeting/1-2%28POSCO%29.pdf
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
Finex Process Resources
The FINEX Innovative Ironmaking Process
Page Number:
1-22
Finex Flow Diagram
Date:
May
2012